Merge pull request #2144 from alibaba/bugfix

Bugfix

README.md

@@ -37,6 +37,15 @@ Java解析、生成Excel比较有名的框架有Apache poi、jxl。但他们都
 * 大版本升级后建议相关内容重新测试下
 * 要升级涉及到
 
+### 最新版本
+```xml
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>easyexcel</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+```
+
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pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>3.0.0-beta3</version>
+    <version>3.0.1</version>
     <packaging>jar</packaging>
     <name>easyexcel</name>
 

src/main/java/com/alibaba/excel/annotation/ExcelProperty.java

@@ -54,7 +54,7 @@ public @interface ExcelProperty {
      *
      * @return Converter
      */
-    Class<? extends Converter> converter() default AutoConverter.class;
+    Class<? extends Converter<?>> converter() default AutoConverter.class;
 
     /**
      *

src/main/java/com/alibaba/excel/context/WriteContextImpl.java

@@ -10,7 +10,9 @@ import com.alibaba.excel.enums.WriteTypeEnum;
 import com.alibaba.excel.exception.ExcelGenerateException;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.support.ExcelTypeEnum;
+import com.alibaba.excel.util.ClassUtils;
 import com.alibaba.excel.util.DateUtils;
 import com.alibaba.excel.util.FileUtils;
 import com.alibaba.excel.util.NumberDataFormatterUtils;
@@ -244,17 +246,21 @@ public class WriteContextImpl implements WriteContext {
         for (Map.Entry<Integer, Head> entry : headMap.entrySet()) {
             Head head = entry.getValue();
             int columnIndex = entry.getKey();
-            WriteHandlerUtils.beforeCellCreate(this, row, head, columnIndex, relativeRowIndex, Boolean.TRUE);
+            ExcelContentProperty excelContentProperty = ClassUtils.declaredExcelContentProperty(null,
+                currentWriteHolder.excelWriteHeadProperty().getHeadClazz(), head.getFieldName());
+
+            WriteHandlerUtils.beforeCellCreate(this, row, head, columnIndex, relativeRowIndex, Boolean.TRUE,
+                excelContentProperty);
 
             Cell cell = row.createCell(columnIndex);
 
-            WriteHandlerUtils.afterCellCreate(this, cell, head, relativeRowIndex, Boolean.TRUE);
+            WriteHandlerUtils.afterCellCreate(this, cell, head, relativeRowIndex, Boolean.TRUE, excelContentProperty);
 
             WriteCellData<String> writeCellData = new WriteCellData<>(head.getHeadNameList().get(relativeRowIndex));
             cell.setCellValue(writeCellData.getStringValue());
 
-            WriteHandlerUtils.afterCellDispose(this, writeCellData, cell, head, relativeRowIndex,
+            WriteHandlerUtils.afterCellDispose(this, writeCellData, cell, head, relativeRowIndex, Boolean.TRUE,
-                Boolean.TRUE);
+                excelContentProperty);
         }
     }
 

src/main/java/com/alibaba/excel/metadata/Head.java

@@ -1,5 +1,6 @@
 package com.alibaba.excel.metadata;
 
+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -9,16 +10,23 @@ import com.alibaba.excel.metadata.property.FontProperty;
 import com.alibaba.excel.metadata.property.LoopMergeProperty;
 import com.alibaba.excel.metadata.property.StyleProperty;
 
+import lombok.Data;
+
 /**
  * excel head
  *
  * @author Jiaju Zhuang
  **/
+@Data
 public class Head {
     /**
      * Column index of head
      */
     private Integer columnIndex;
+    /**
+     * It only has values when passed in {@link Sheet#setClazz(Class)} and {@link Table#setClazz(Class)}
+     */
+    private Field field;
     /**
      * It only has values when passed in {@link Sheet#setClazz(Class)} and {@link Table#setClazz(Class)}
      */
@@ -35,10 +43,12 @@ public class Head {
      * Whether to specify a name
      */
     private Boolean forceName;
+
     /**
      * column with
      */
     private ColumnWidthProperty columnWidthProperty;
+
     /**
      * Loop merge
      */
@@ -47,22 +57,15 @@ public class Head {
      * Head style
      */
     private StyleProperty headStyleProperty;
-    /**
-     * Content style
-     */
-    private StyleProperty contentStyleProperty;
     /**
      * Head font
      */
     private FontProperty headFontProperty;
-    /**
-     * Content font
-     */
-    private FontProperty contentFontProperty;
 
-    public Head(Integer columnIndex, String fieldName, List<String> headNameList, Boolean forceIndex,
+    public Head(Integer columnIndex, Field field, String fieldName, List<String> headNameList, Boolean forceIndex,
         Boolean forceName) {
         this.columnIndex = columnIndex;
+        this.field = field;
         this.fieldName = fieldName;
         if (headNameList == null) {
             this.headNameList = new ArrayList<>();
@@ -77,92 +80,4 @@ public class Head {
         this.forceIndex = forceIndex;
         this.forceName = forceName;
     }
-
-    public Integer getColumnIndex() {
-        return columnIndex;
-    }
-
-    public void setColumnIndex(Integer columnIndex) {
-        this.columnIndex = columnIndex;
-    }
-
-    public String getFieldName() {
-        return fieldName;
-    }
-
-    public void setFieldName(String fieldName) {
-        this.fieldName = fieldName;
-    }
-
-    public List<String> getHeadNameList() {
-        return headNameList;
-    }
-
-    public void setHeadNameList(List<String> headNameList) {
-        this.headNameList = headNameList;
-    }
-
-    public ColumnWidthProperty getColumnWidthProperty() {
-        return columnWidthProperty;
-    }
-
-    public void setColumnWidthProperty(ColumnWidthProperty columnWidthProperty) {
-        this.columnWidthProperty = columnWidthProperty;
-    }
-
-    public Boolean getForceIndex() {
-        return forceIndex;
-    }
-
-    public void setForceIndex(Boolean forceIndex) {
-        this.forceIndex = forceIndex;
-    }
-
-    public Boolean getForceName() {
-        return forceName;
-    }
-
-    public void setForceName(Boolean forceName) {
-        this.forceName = forceName;
-    }
-
-    public LoopMergeProperty getLoopMergeProperty() {
-        return loopMergeProperty;
-    }
-
-    public void setLoopMergeProperty(LoopMergeProperty loopMergeProperty) {
-        this.loopMergeProperty = loopMergeProperty;
-    }
-
-    public StyleProperty getHeadStyleProperty() {
-        return headStyleProperty;
-    }
-
-    public void setHeadStyleProperty(StyleProperty headStyleProperty) {
-        this.headStyleProperty = headStyleProperty;
-    }
-
-    public StyleProperty getContentStyleProperty() {
-        return contentStyleProperty;
-    }
-
-    public void setContentStyleProperty(StyleProperty contentStyleProperty) {
-        this.contentStyleProperty = contentStyleProperty;
-    }
-
-    public FontProperty getHeadFontProperty() {
-        return headFontProperty;
-    }
-
-    public void setHeadFontProperty(FontProperty headFontProperty) {
-        this.headFontProperty = headFontProperty;
-    }
-
-    public FontProperty getContentFontProperty() {
-        return contentFontProperty;
-    }
-
-    public void setContentFontProperty(FontProperty contentFontProperty) {
-        this.contentFontProperty = contentFontProperty;
-    }
 }

src/main/java/com/alibaba/excel/metadata/data/WriteCellData.java

@@ -8,10 +8,12 @@ import java.util.List;
 
 import com.alibaba.excel.enums.CellDataTypeEnum;
 import com.alibaba.excel.util.ListUtils;
+import com.alibaba.excel.write.metadata.fill.AnalysisCell;
 import com.alibaba.excel.write.metadata.style.WriteCellStyle;
 
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import org.apache.poi.ss.usermodel.CellStyle;
 
 /**
  * wirte cell data
@@ -42,11 +44,23 @@ public class WriteCellData<T> extends CellData<T> {
      * hyper link
      */
     private HyperlinkData hyperlinkData;
+
     /**
      * style
      */
     private WriteCellStyle writeCellStyle;
 
+    /**
+     * If originCellStyle is empty, one will be created.
+     * If both writeCellStyle and originCellStyle exist, copy from writeCellStyle to originCellStyle.
+     */
+    private CellStyle originCellStyle;
+
+    /**
+     * Only in the case of the fill is not null
+     */
+    private AnalysisCell analysisCell;
+
     public WriteCellData(String stringValue) {
         this(CellDataTypeEnum.STRING, stringValue);
     }

src/main/java/com/alibaba/excel/metadata/property/ExcelContentProperty.java

@@ -3,7 +3,6 @@ package com.alibaba.excel.metadata.property;
 import java.lang.reflect.Field;
 
 import com.alibaba.excel.converters.Converter;
-import com.alibaba.excel.metadata.Head;
 
 import lombok.Data;
 
@@ -12,18 +11,30 @@ import lombok.Data;
  */
 @Data
 public class ExcelContentProperty {
+    public static final ExcelContentProperty EMPTY = new ExcelContentProperty();
+
     /**
      * Java filed
      */
     private Field field;
-    /**
-     * Excel head
-     */
-    private Head head;
     /**
      * Custom defined converters
      */
     private Converter<?> converter;
+    /**
+     * date time format
+     */
     private DateTimeFormatProperty dateTimeFormatProperty;
+    /**
+     * number format
+     */
     private NumberFormatProperty numberFormatProperty;
+    /**
+     * Content style
+     */
+    private StyleProperty contentStyleProperty;
+    /**
+     * Content font
+     */
+    private FontProperty contentFontProperty;
 }

src/main/java/com/alibaba/excel/metadata/property/ExcelHeadProperty.java

@@ -8,15 +8,11 @@ import java.util.Map;
 import java.util.TreeMap;
 
 import com.alibaba.excel.annotation.ExcelProperty;
-import com.alibaba.excel.annotation.format.DateTimeFormat;
-import com.alibaba.excel.annotation.format.NumberFormat;
-import com.alibaba.excel.converters.AutoConverter;
-import com.alibaba.excel.converters.Converter;
 import com.alibaba.excel.enums.HeadKindEnum;
-import com.alibaba.excel.exception.ExcelCommonException;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.Holder;
 import com.alibaba.excel.util.ClassUtils;
+import com.alibaba.excel.util.FieldUtils;
 import com.alibaba.excel.util.MapUtils;
 import com.alibaba.excel.util.StringUtils;
 import com.alibaba.excel.write.metadata.holder.AbstractWriteHolder;
@@ -38,7 +34,7 @@ public class ExcelHeadProperty {
     /**
      * Custom class
      */
-    private Class headClazz;
+    private Class<?> headClazz;
     /**
      * The types of head
      */
@@ -51,24 +47,14 @@ public class ExcelHeadProperty {
      * Configuration header information
      */
     private Map<Integer, Head> headMap;
-    /**
-     * Configuration column information
-     */
-    private Map<Integer, ExcelContentProperty> contentPropertyMap;
-    /**
-     * Configuration column information
-     */
-    private Map<String, ExcelContentProperty> fieldNameContentPropertyMap;
     /**
      * Fields ignored
      */
     private Map<String, Field> ignoreMap;
 
-    public ExcelHeadProperty(Holder holder, Class headClazz, List<List<String>> head) {
+    public ExcelHeadProperty(Holder holder, Class<?> headClazz, List<List<String>> head) {
         this.headClazz = headClazz;
         headMap = new TreeMap<>();
-        contentPropertyMap = new TreeMap<>();
-        fieldNameContentPropertyMap = MapUtils.newHashMap();
         ignoreMap = MapUtils.newHashMap();
         headKind = HeadKindEnum.NONE;
         headRowNumber = 0;
@@ -80,8 +66,7 @@ public class ExcelHeadProperty {
                         continue;
                     }
                 }
-                headMap.put(headIndex, new Head(headIndex, null, head.get(i), Boolean.FALSE, Boolean.TRUE));
+                headMap.put(headIndex, new Head(headIndex, null, null, head.get(i), Boolean.FALSE, Boolean.TRUE));
-                contentPropertyMap.put(headIndex, null);
                 headIndex++;
             }
             headKind = HeadKindEnum.STRING;
@@ -148,39 +133,20 @@ public class ExcelHeadProperty {
     private void initOneColumnProperty(int index, Field field, Boolean forceIndex) {
         ExcelProperty excelProperty = field.getAnnotation(ExcelProperty.class);
         List<String> tmpHeadList = new ArrayList<String>();
+        String fieldName = FieldUtils.resolveCglibFieldName(field);
         boolean notForceName = excelProperty == null || excelProperty.value().length <= 0
             || (excelProperty.value().length == 1 && StringUtils.isEmpty((excelProperty.value())[0]));
         if (headMap.containsKey(index)) {
             tmpHeadList.addAll(headMap.get(index).getHeadNameList());
         } else {
             if (notForceName) {
-                tmpHeadList.add(field.getName());
+                tmpHeadList.add(fieldName);
             } else {
                 Collections.addAll(tmpHeadList, excelProperty.value());
             }
         }
-        Head head = new Head(index, field.getName(), tmpHeadList, forceIndex, !notForceName);
+        Head head = new Head(index, field, fieldName, tmpHeadList, forceIndex, !notForceName);
-        ExcelContentProperty excelContentProperty = new ExcelContentProperty();
-        if (excelProperty != null) {
-            Class<? extends Converter> convertClazz = excelProperty.converter();
-            if (convertClazz != AutoConverter.class) {
-                try {
-                    Converter converter = convertClazz.newInstance();
-                    excelContentProperty.setConverter(converter);
-                } catch (Exception e) {
-                    throw new ExcelCommonException("Can not instance custom converter:" + convertClazz.getName());
-                }
-            }
-        }
-        excelContentProperty.setHead(head);
-        excelContentProperty.setField(field);
-        excelContentProperty
-            .setDateTimeFormatProperty(DateTimeFormatProperty.build(field.getAnnotation(DateTimeFormat.class)));
-        excelContentProperty
-            .setNumberFormatProperty(NumberFormatProperty.build(field.getAnnotation(NumberFormat.class)));
         headMap.put(index, head);
-        contentPropertyMap.put(index, excelContentProperty);
-        fieldNameContentPropertyMap.put(field.getName(), excelContentProperty);
     }
 
     public boolean hasHead() {

src/main/java/com/alibaba/excel/read/listener/ModelBuildEventListener.java

@@ -8,14 +8,14 @@ import com.alibaba.excel.enums.HeadKindEnum;
 import com.alibaba.excel.exception.ExcelDataConvertException;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.data.ReadCellData;
-import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.read.metadata.holder.ReadSheetHolder;
 import com.alibaba.excel.read.metadata.property.ExcelReadHeadProperty;
 import com.alibaba.excel.util.BeanMapUtils;
+import com.alibaba.excel.util.ClassUtils;
 import com.alibaba.excel.util.ConverterUtils;
-import com.alibaba.excel.util.FieldUtils;
 import com.alibaba.excel.util.MapUtils;
 
+import net.sf.cglib.beans.BeanMap;
 import org.apache.commons.collections4.CollectionUtils;
 
 /**
@@ -92,22 +92,23 @@ public class ModelBuildEventListener implements ReadListener<Map<Integer, ReadCe
         }
         Map<Integer, Head> headMap = excelReadHeadProperty.getHeadMap();
         Map<String, Object> map = MapUtils.newHashMapWithExpectedSize(headMap.size());
-        Map<Integer, ExcelContentProperty> contentPropertyMap = excelReadHeadProperty.getContentPropertyMap();
+        BeanMap dataMap = BeanMapUtils.create(resultModel);
         for (Map.Entry<Integer, Head> entry : headMap.entrySet()) {
             Integer index = entry.getKey();
+            Head head = entry.getValue();
+            String fieldName = head.getFieldName();
             if (!cellDataMap.containsKey(index)) {
                 continue;
             }
             ReadCellData<?> cellData = cellDataMap.get(index);
-            ExcelContentProperty excelContentProperty = contentPropertyMap.get(index);
+            Object value = ConverterUtils.convertToJavaObject(cellData, head.getField(),
-            Object value = ConverterUtils.convertToJavaObject(cellData, excelContentProperty.getField(),
+                ClassUtils.declaredExcelContentProperty(dataMap, readSheetHolder.excelReadHeadProperty().getHeadClazz(),
-                excelContentProperty, readSheetHolder.converterMap(), context,
+                    fieldName), readSheetHolder.converterMap(), context, context.readRowHolder().getRowIndex(), index);
-                context.readRowHolder().getRowIndex(), index);
             if (value != null) {
-                map.put(FieldUtils.resolveCglibFieldName(excelContentProperty.getField()), value);
+                map.put(fieldName, value);
             }
         }
-        BeanMapUtils.create(resultModel).putAll(map);
+        dataMap.putAll(map);
         return resultModel;
     }
 

src/main/java/com/alibaba/excel/read/processor/DefaultAnalysisEventProcessor.java

@@ -11,7 +11,6 @@ import com.alibaba.excel.exception.ExcelAnalysisException;
 import com.alibaba.excel.exception.ExcelAnalysisStopException;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.data.ReadCellData;
-import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.read.listener.ReadListener;
 import com.alibaba.excel.read.metadata.holder.ReadRowHolder;
 import com.alibaba.excel.read.metadata.property.ExcelReadHeadProperty;
@@ -118,15 +117,11 @@ public class DefaultAnalysisEventProcessor implements AnalysisEventProcessor {
         Map<Integer, String> dataMap = ConverterUtils.convertToStringMap(cellDataMap, analysisContext);
         ExcelReadHeadProperty excelHeadPropertyData = analysisContext.readSheetHolder().excelReadHeadProperty();
         Map<Integer, Head> headMapData = excelHeadPropertyData.getHeadMap();
-        Map<Integer, ExcelContentProperty> contentPropertyMapData = excelHeadPropertyData.getContentPropertyMap();
         Map<Integer, Head> tmpHeadMap = new HashMap<Integer, Head>(headMapData.size() * 4 / 3 + 1);
-        Map<Integer, ExcelContentProperty> tmpContentPropertyMap =
-            new HashMap<Integer, ExcelContentProperty>(contentPropertyMapData.size() * 4 / 3 + 1);
         for (Map.Entry<Integer, Head> entry : headMapData.entrySet()) {
             Head headData = entry.getValue();
             if (headData.getForceIndex() || !headData.getForceName()) {
                 tmpHeadMap.put(entry.getKey(), headData);
-                tmpContentPropertyMap.put(entry.getKey(), contentPropertyMapData.get(entry.getKey()));
                 continue;
             }
             List<String> headNameList = headData.getHeadNameList();
@@ -146,12 +141,10 @@ public class DefaultAnalysisEventProcessor implements AnalysisEventProcessor {
                 if (headName.equals(headString)) {
                     headData.setColumnIndex(stringKey);
                     tmpHeadMap.put(stringKey, headData);
-                    tmpContentPropertyMap.put(stringKey, contentPropertyMapData.get(entry.getKey()));
                     break;
                 }
             }
         }
         excelHeadPropertyData.setHeadMap(tmpHeadMap);
-        excelHeadPropertyData.setContentPropertyMap(tmpContentPropertyMap);
     }
 }

src/main/java/com/alibaba/excel/util/ClassUtils.java

@@ -1,6 +1,5 @@
 package com.alibaba.excel.util;
 
-import java.lang.ref.SoftReference;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
@@ -10,16 +9,30 @@ import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.TreeMap;
 import java.util.concurrent.ConcurrentHashMap;
 
 import com.alibaba.excel.annotation.ExcelIgnore;
 import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
 import com.alibaba.excel.annotation.ExcelProperty;
+import com.alibaba.excel.annotation.format.DateTimeFormat;
+import com.alibaba.excel.annotation.format.NumberFormat;
+import com.alibaba.excel.annotation.write.style.ContentFontStyle;
+import com.alibaba.excel.annotation.write.style.ContentStyle;
+import com.alibaba.excel.converters.AutoConverter;
+import com.alibaba.excel.converters.Converter;
 import com.alibaba.excel.exception.ExcelCommonException;
 import com.alibaba.excel.metadata.Holder;
+import com.alibaba.excel.metadata.property.DateTimeFormatProperty;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.metadata.property.FontProperty;
+import com.alibaba.excel.metadata.property.NumberFormatProperty;
+import com.alibaba.excel.metadata.property.StyleProperty;
 import com.alibaba.excel.write.metadata.holder.WriteHolder;
 
+import net.sf.cglib.beans.BeanMap;
+
 /**
  * Class utils
  *
@@ -27,7 +40,156 @@ import com.alibaba.excel.write.metadata.holder.WriteHolder;
  **/
 public class ClassUtils {
 
-    public static final Map<Class<?>, SoftReference<FieldCache>> FIELD_CACHE = new ConcurrentHashMap<>();
+    public static final Map<Class<?>, FieldCache> FIELD_CACHE = new ConcurrentHashMap<>();
+
+    /**
+     * The cache configuration information for each of the class
+     */
+    public static final Map<Class<?>, Map<String, ExcelContentProperty>> CLASS_CONTENT_CACHE
+        = new ConcurrentHashMap<>();
+
+    /**
+     * The cache configuration information for each of the class
+     */
+    public static final Map<String, ExcelContentProperty> CONTENT_CACHE = new ConcurrentHashMap<>();
+
+    /**
+     * Calculate the configuration information for the class
+     *
+     * @param dataMap
+     * @param headClazz
+     * @param fieldName
+     * @return
+     */
+    public static ExcelContentProperty declaredExcelContentProperty(Map<?, ?> dataMap, Class<?> headClazz,
+        String fieldName) {
+        Class<?> clazz = null;
+        if (dataMap instanceof BeanMap) {
+            Object bean = ((BeanMap)dataMap).getBean();
+            if (bean != null) {
+                clazz = bean.getClass();
+            }
+        }
+        return getExcelContentProperty(clazz, headClazz, fieldName);
+    }
+
+    private static ExcelContentProperty getExcelContentProperty(Class<?> clazz, Class<?> headClass, String fieldName) {
+        return CONTENT_CACHE.computeIfAbsent(buildKey(clazz, headClass, fieldName), key -> {
+            ExcelContentProperty excelContentProperty = Optional.ofNullable(declaredFieldContentMap(clazz))
+                .map(map -> map.get(fieldName))
+                .orElse(null);
+            ExcelContentProperty headExcelContentProperty = Optional.ofNullable(declaredFieldContentMap(headClass))
+                .map(map -> map.get(fieldName))
+                .orElse(null);
+            ExcelContentProperty combineExcelContentProperty = new ExcelContentProperty();
+
+            combineExcelContentProperty(combineExcelContentProperty, headExcelContentProperty);
+            if (clazz != headClass) {
+                combineExcelContentProperty(combineExcelContentProperty, excelContentProperty);
+            }
+            return combineExcelContentProperty;
+        });
+
+    }
+
+    public static void combineExcelContentProperty(ExcelContentProperty combineExcelContentProperty,
+        ExcelContentProperty excelContentProperty) {
+        if (excelContentProperty == null) {
+            return;
+        }
+        if (excelContentProperty.getField() != null) {
+            combineExcelContentProperty.setField(excelContentProperty.getField());
+        }
+        if (excelContentProperty.getConverter() != null) {
+            combineExcelContentProperty.setConverter(excelContentProperty.getConverter());
+        }
+        if (excelContentProperty.getDateTimeFormatProperty() != null) {
+            combineExcelContentProperty.setDateTimeFormatProperty(excelContentProperty.getDateTimeFormatProperty());
+        }
+        if (excelContentProperty.getNumberFormatProperty() != null) {
+            combineExcelContentProperty.setNumberFormatProperty(excelContentProperty.getNumberFormatProperty());
+        }
+        if (excelContentProperty.getContentStyleProperty() != null) {
+            combineExcelContentProperty.setContentStyleProperty(excelContentProperty.getContentStyleProperty());
+        }
+        if (excelContentProperty.getContentFontProperty() != null) {
+            combineExcelContentProperty.setContentFontProperty(excelContentProperty.getContentFontProperty());
+        }
+    }
+
+    private static String buildKey(Class<?> clazz, Class<?> headClass, String fieldName) {
+        String key = "";
+        if (clazz != null) {
+            key += clazz.getName();
+        }
+        key += "-";
+        if (headClass != null) {
+            key += headClass.getName();
+        }
+        key += "-";
+        if (fieldName != null) {
+            key += fieldName;
+        }
+        return key;
+    }
+
+    private static Map<String, ExcelContentProperty> declaredFieldContentMap(Class<?> clazz) {
+        if (clazz == null) {
+            return null;
+        }
+        return CLASS_CONTENT_CACHE.computeIfAbsent(clazz, key -> {
+            List<Field> tempFieldList = new ArrayList<>();
+            Class<?> tempClass = clazz;
+            while (tempClass != null) {
+                Collections.addAll(tempFieldList, tempClass.getDeclaredFields());
+                // Get the parent class and give it to yourself
+                tempClass = tempClass.getSuperclass();
+            }
+
+            ContentStyle parentContentStyle = clazz.getAnnotation(ContentStyle.class);
+            ContentFontStyle parentContentFontStyle = clazz.getAnnotation(ContentFontStyle.class);
+            Map<String, ExcelContentProperty> fieldContentMap = MapUtils.newHashMapWithExpectedSize(
+                tempFieldList.size());
+            for (Field field : tempFieldList) {
+                ExcelContentProperty excelContentProperty = new ExcelContentProperty();
+                excelContentProperty.setField(field);
+
+                ExcelProperty excelProperty = field.getAnnotation(ExcelProperty.class);
+                if (excelProperty != null) {
+                    Class<? extends Converter<?>> convertClazz = excelProperty.converter();
+                    if (convertClazz != AutoConverter.class) {
+                        try {
+                            Converter<?> converter = convertClazz.newInstance();
+                            excelContentProperty.setConverter(converter);
+                        } catch (Exception e) {
+                            throw new ExcelCommonException(
+                                "Can not instance custom converter:" + convertClazz.getName());
+                        }
+                    }
+                }
+
+                ContentStyle contentStyle = field.getAnnotation(ContentStyle.class);
+                if (contentStyle == null) {
+                    contentStyle = parentContentStyle;
+                }
+                excelContentProperty.setContentStyleProperty(StyleProperty.build(contentStyle));
+
+                ContentFontStyle contentFontStyle = field.getAnnotation(ContentFontStyle.class);
+                if (contentFontStyle == null) {
+                    contentFontStyle = parentContentFontStyle;
+                }
+                excelContentProperty.setContentFontProperty(FontProperty.build(contentFontStyle));
+
+                excelContentProperty.setDateTimeFormatProperty(
+                    DateTimeFormatProperty.build(field.getAnnotation(DateTimeFormat.class)));
+                excelContentProperty.setNumberFormatProperty(
+                    NumberFormatProperty.build(field.getAnnotation(NumberFormat.class)));
+
+                fieldContentMap.put(field.getName(), excelContentProperty);
+            }
+            return fieldContentMap;
+        });
+    }
 
     /**
      * Parsing filed in the class
@@ -41,7 +203,7 @@ public class ClassUtils {
      */
     public static void declaredFields(Class<?> clazz, Map<Integer, Field> sortedAllFiledMap,
         Map<Integer, Field> indexFiledMap, Map<String, Field> ignoreMap, Boolean needIgnore, Holder holder) {
-        FieldCache fieldCache = getFieldCache(clazz);
+        FieldCache fieldCache = declaredFields(clazz);
         if (fieldCache == null) {
             return;
         }
@@ -92,45 +254,31 @@ public class ClassUtils {
         declaredFields(clazz, sortedAllFiledMap, null, null, needIgnore, writeHolder);
     }
 
-    private static FieldCache getFieldCache(Class<?> clazz) {
+    private static FieldCache declaredFields(Class<?> clazz) {
         if (clazz == null) {
             return null;
         }
-        SoftReference<FieldCache> fieldCacheSoftReference = FIELD_CACHE.get(clazz);
+        return FIELD_CACHE.computeIfAbsent(clazz, key -> {
-        if (fieldCacheSoftReference != null && fieldCacheSoftReference.get() != null) {
+            List<Field> tempFieldList = new ArrayList<>();
-            return fieldCacheSoftReference.get();
+            Class<?> tempClass = clazz;
-        }
+            // When the parent class is null, it indicates that the parent class (Object class) has reached the top
-        synchronized (clazz) {
+            // level.
-            fieldCacheSoftReference = FIELD_CACHE.get(clazz);
+            while (tempClass != null) {
-            if (fieldCacheSoftReference != null && fieldCacheSoftReference.get() != null) {
+                Collections.addAll(tempFieldList, tempClass.getDeclaredFields());
-                return fieldCacheSoftReference.get();
+                // Get the parent class and give it to yourself
+                tempClass = tempClass.getSuperclass();
             }
-            declaredFields(clazz);
+            // Screening of field
-        }
+            Map<Integer, List<Field>> orderFiledMap = new TreeMap<Integer, List<Field>>();
-        return FIELD_CACHE.get(clazz).get();
+            Map<Integer, Field> indexFiledMap = new TreeMap<Integer, Field>();
-    }
+            Map<String, Field> ignoreMap = new HashMap<String, Field>(16);
 
-    private static void declaredFields(Class<?> clazz) {
+            ExcelIgnoreUnannotated excelIgnoreUnannotated = clazz.getAnnotation(ExcelIgnoreUnannotated.class);
-        List<Field> tempFieldList = new ArrayList<>();
+            for (Field field : tempFieldList) {
-        Class<?> tempClass = clazz;
+                declaredOneField(field, orderFiledMap, indexFiledMap, ignoreMap, excelIgnoreUnannotated);
-        // When the parent class is null, it indicates that the parent class (Object class) has reached the top
+            }
-        // level.
+            return new FieldCache(buildSortedAllFiledMap(orderFiledMap, indexFiledMap), indexFiledMap, ignoreMap);
-        while (tempClass != null) {
+        });
-            Collections.addAll(tempFieldList, tempClass.getDeclaredFields());
-            // Get the parent class and give it to yourself
-            tempClass = tempClass.getSuperclass();
-        }
-        // Screening of field
-        Map<Integer, List<Field>> orderFiledMap = new TreeMap<Integer, List<Field>>();
-        Map<Integer, Field> indexFiledMap = new TreeMap<Integer, Field>();
-        Map<String, Field> ignoreMap = new HashMap<String, Field>(16);
-
-        ExcelIgnoreUnannotated excelIgnoreUnannotated = clazz.getAnnotation(ExcelIgnoreUnannotated.class);
-        for (Field field : tempFieldList) {
-            declaredOneField(field, orderFiledMap, indexFiledMap, ignoreMap, excelIgnoreUnannotated);
-        }
-        FIELD_CACHE.put(clazz, new SoftReference<FieldCache>(
-            new FieldCache(buildSortedAllFiledMap(orderFiledMap, indexFiledMap), indexFiledMap, ignoreMap)));
     }
 
     private static Map<Integer, Field> buildSortedAllFiledMap(Map<Integer, List<Field>> orderFiledMap,

src/main/java/com/alibaba/excel/util/FieldUtils.java

@@ -5,7 +5,6 @@ import java.lang.reflect.Modifier;
 import java.util.Map;
 
 import com.alibaba.excel.metadata.NullObject;
-import com.alibaba.excel.write.metadata.RowData;
 
 import net.sf.cglib.beans.BeanMap;
 
@@ -20,19 +19,17 @@ public class FieldUtils {
 
     private static final int START_RESOLVE_FIELD_LENGTH = 2;
 
-    public static Class<?> getFieldClass(Map dataMap, String filedName) {
+    public static Class<?> getFieldClass(Map dataMap, String filedName, Object value) {
         if (dataMap instanceof BeanMap) {
-            return ((BeanMap)dataMap).getPropertyType(filedName);
+            Class<?> fieldClass = ((BeanMap)dataMap).getPropertyType(filedName);
-        }
+            if (fieldClass != null) {
-        Object value = dataMap.get(filedName);
+                return fieldClass;
-        if (value != null) {
+            }
-            return value.getClass();
         }
-        return nullObjectClass;
+        return getFieldClass(value);
     }
 
-    public static Class<?> getFieldClass(RowData rowData, int dataIndex) {
+    public static Class<?> getFieldClass(Object value) {
-        Object value = rowData.get(dataIndex);
         if (value != null) {
             return value.getClass();
         }

src/main/java/com/alibaba/excel/util/ListUtils.java

@@ -10,10 +10,21 @@ import lombok.NonNull;
 import org.apache.commons.compress.utils.Iterators;
 
 /**
- * List utils
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
  *
- * @author Jiaju Zhuang
+ * Unless required by applicable law or agreed to in writing, software
- **/
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @author Apache Software Foundation (ASF)
+ */
 public class ListUtils {
     private ListUtils() {}
 

src/main/java/com/alibaba/excel/util/MapUtils.java

@@ -5,10 +5,21 @@ import java.util.LinkedHashMap;
 import java.util.TreeMap;
 
 /**
- * Map utils
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
  *
- * @author Jiaju Zhuang
+ * Unless required by applicable law or agreed to in writing, software
- **/
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @author Apache Software Foundation (ASF)
+ */
 public class MapUtils {
 
     private MapUtils() {}

src/main/java/com/alibaba/excel/util/NumberUtils.java

@@ -186,4 +186,5 @@ public class NumberUtils {
         decimalFormat.setParseBigDecimal(true);
         return decimalFormat.parse(string);
     }
+
 }

src/main/java/com/alibaba/excel/util/StringUtils.java

@@ -1,5 +1,6 @@
 package com.alibaba.excel.util;
-/*
+
+/**
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
@@ -12,8 +13,9 @@ package com.alibaba.excel.util;
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * @author Apache Software Foundation (ASF)
  */
-
 public class StringUtils {
     private StringUtils() {}
 
@@ -194,7 +196,6 @@ public class StringUtils {
         return true;
     }
 
-
     /**
      * <p>Checks if the CharSequence contains only Unicode digits.
      * A decimal point is not a Unicode digit and returns false.</p>
@@ -221,7 +222,7 @@ public class StringUtils {
      * StringUtils.isNumeric("+123") = false
      * </pre>
      *
-     * @param cs  the CharSequence to check, may be null
+     * @param cs the CharSequence to check, may be null
      * @return {@code true} if only contains digits, and is non-null
      * @since 3.0 Changed signature from isNumeric(String) to isNumeric(CharSequence)
      * @since 3.0 Changed "" to return false and not true

src/main/java/com/alibaba/excel/util/StyleUtil.java

@@ -10,8 +10,10 @@ import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
 import com.alibaba.excel.write.metadata.style.WriteCellStyle;
 import com.alibaba.excel.write.metadata.style.WriteFont;
 
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.poi.common.usermodel.HyperlinkType;
+import org.apache.poi.hssf.usermodel.HSSFFont;
 import org.apache.poi.hssf.usermodel.HSSFRichTextString;
 import org.apache.poi.ss.usermodel.CellStyle;
 import org.apache.poi.ss.usermodel.DataFormat;
@@ -19,11 +21,14 @@ import org.apache.poi.ss.usermodel.Font;
 import org.apache.poi.ss.usermodel.RichTextString;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.util.Units;
+import org.apache.poi.xssf.usermodel.XSSFColor;
+import org.apache.poi.xssf.usermodel.XSSFFont;
 import org.apache.poi.xssf.usermodel.XSSFRichTextString;
 
 /**
  * @author jipengfei
  */
+@Slf4j
 public class StyleUtil {
 
     private StyleUtil() {}
@@ -32,11 +37,16 @@ public class StyleUtil {
      * Build  cell style
      *
      * @param workbook
+     * @param originCellStyle
      * @param writeCellStyle
      * @return
      */
-    public static CellStyle buildCellStyle(Workbook workbook, WriteCellStyle writeCellStyle) {
+    public static CellStyle buildCellStyle(Workbook workbook, CellStyle originCellStyle,
+        WriteCellStyle writeCellStyle) {
         CellStyle cellStyle = workbook.createCellStyle();
+        if (originCellStyle != null) {
+            cellStyle.cloneStyleFrom(originCellStyle);
+        }
         if (writeCellStyle == null) {
             return cellStyle;
         }
@@ -115,14 +125,23 @@ public class StyleUtil {
             return dataFormatData.getIndex();
         }
         if (StringUtils.isNotBlank(dataFormatData.getFormat())) {
+            if (log.isDebugEnabled()) {
+                log.info("create new data fromat:{}", dataFormatData);
+            }
             DataFormat dataFormatCreate = workbook.createDataFormat();
             return dataFormatCreate.getFormat(dataFormatData.getFormat());
         }
         return BuiltinFormats.GENERAL;
     }
 
-    public static Font buildFont(Workbook workbook, WriteFont writeFont) {
+    public static Font buildFont(Workbook workbook, Font originFont, WriteFont writeFont) {
-        Font font = workbook.createFont();
+        if (log.isDebugEnabled()) {
+            log.info("create new font:{},{}", writeFont, originFont);
+        }
+        if (writeFont == null && originFont == null) {
+            return null;
+        }
+        Font font = createFont(workbook, originFont, writeFont);
         if (writeFont == null || font == null) {
             return font;
         }
@@ -156,6 +175,44 @@ public class StyleUtil {
         return font;
     }
 
+    private static Font createFont(Workbook workbook, Font originFont, WriteFont writeFont) {
+        Font font = workbook.createFont();
+        if (originFont == null) {
+            return font;
+        }
+        if (originFont instanceof XSSFFont) {
+            XSSFFont xssfFont = (XSSFFont)font;
+            XSSFFont xssfOriginFont = ((XSSFFont)originFont);
+            xssfFont.setFontName(xssfOriginFont.getFontName());
+            xssfFont.setFontHeightInPoints(xssfOriginFont.getFontHeightInPoints());
+            xssfFont.setItalic(xssfOriginFont.getItalic());
+            xssfFont.setStrikeout(xssfOriginFont.getStrikeout());
+            // Colors cannot be overwritten
+            if (writeFont == null || writeFont.getColor() == null) {
+                xssfFont.setColor(new XSSFColor(xssfOriginFont.getXSSFColor().getRGB(), null));
+            }
+            xssfFont.setTypeOffset(xssfOriginFont.getTypeOffset());
+            xssfFont.setUnderline(xssfOriginFont.getUnderline());
+            xssfFont.setCharSet(xssfOriginFont.getCharSet());
+            xssfFont.setBold(xssfOriginFont.getBold());
+            return xssfFont;
+        } else if (originFont instanceof HSSFFont) {
+            HSSFFont hssfFont = (HSSFFont)font;
+            HSSFFont hssfOriginFont = (HSSFFont)originFont;
+            hssfFont.setFontName(hssfOriginFont.getFontName());
+            hssfFont.setFontHeightInPoints(hssfOriginFont.getFontHeightInPoints());
+            hssfFont.setItalic(hssfOriginFont.getItalic());
+            hssfFont.setStrikeout(hssfOriginFont.getStrikeout());
+            hssfFont.setColor(hssfOriginFont.getColor());
+            hssfFont.setTypeOffset(hssfOriginFont.getTypeOffset());
+            hssfFont.setUnderline(hssfOriginFont.getUnderline());
+            hssfFont.setCharSet(hssfOriginFont.getCharSet());
+            hssfFont.setBold(hssfOriginFont.getBold());
+            return hssfFont;
+        }
+        return font;
+    }
+
     public static RichTextString buildRichTextString(WriteWorkbookHolder writeWorkbookHolder,
         RichTextStringData richTextStringData) {
         if (richTextStringData == null) {
@@ -168,12 +225,12 @@ public class StyleUtil {
             richTextString = new HSSFRichTextString(richTextStringData.getTextString());
         }
         if (richTextStringData.getWriteFont() != null) {
-            richTextString.applyFont(writeWorkbookHolder.createFont(richTextStringData.getWriteFont()));
+            richTextString.applyFont(writeWorkbookHolder.createFont(richTextStringData.getWriteFont(), null, true));
         }
         if (CollectionUtils.isNotEmpty(richTextStringData.getIntervalFontList())) {
             for (IntervalFont intervalFont : richTextStringData.getIntervalFontList()) {
                 richTextString.applyFont(intervalFont.getStartIndex(), intervalFont.getEndIndex(),
-                    writeWorkbookHolder.createFont(intervalFont.getWriteFont()));
+                    writeWorkbookHolder.createFont(intervalFont.getWriteFont(), null, true));
             }
         }
         return richTextString;

src/main/java/com/alibaba/excel/util/WriteHandlerUtils.java

@@ -6,6 +6,7 @@ import java.util.Map;
 import com.alibaba.excel.context.WriteContext;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.write.handler.CellWriteHandler;
 import com.alibaba.excel.write.handler.RowWriteHandler;
 import com.alibaba.excel.write.handler.SheetWriteHandler;
@@ -116,7 +117,7 @@ public class WriteHandlerUtils {
     }
 
     public static void beforeCellCreate(WriteContext writeContext, Row row, Head head, Integer columnIndex,
-        Integer relativeRowIndex, Boolean isHead) {
+        Integer relativeRowIndex, Boolean isHead, ExcelContentProperty excelContentProperty) {
         List<WriteHandler> handlerList =
             writeContext.currentWriteHolder().writeHandlerMap().get(CellWriteHandler.class);
         if (handlerList == null || handlerList.isEmpty()) {
@@ -124,7 +125,7 @@ public class WriteHandlerUtils {
         }
         CellWriteHandlerContext context = new CellWriteHandlerContext(writeContext, writeContext.writeWorkbookHolder(),
             writeContext.writeSheetHolder(), writeContext.writeTableHolder(), row, null, columnIndex, relativeRowIndex,
-            head, null, null, isHead);
+            head, null, null, isHead, excelContentProperty);
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof CellWriteHandler) {
                 ((CellWriteHandler)writeHandler).beforeCellCreate(context);
@@ -133,7 +134,7 @@ public class WriteHandlerUtils {
     }
 
     public static void afterCellCreate(WriteContext writeContext, Cell cell, Head head, Integer relativeRowIndex,
-        Boolean isHead) {
+        Boolean isHead, ExcelContentProperty excelContentProperty) {
         List<WriteHandler> handlerList =
             writeContext.currentWriteHolder().writeHandlerMap().get(CellWriteHandler.class);
         if (handlerList == null || handlerList.isEmpty()) {
@@ -141,7 +142,7 @@ public class WriteHandlerUtils {
         }
         CellWriteHandlerContext context = new CellWriteHandlerContext(writeContext, writeContext.writeWorkbookHolder(),
             writeContext.writeSheetHolder(), writeContext.writeTableHolder(), cell.getRow(), cell,
-            cell.getColumnIndex(), relativeRowIndex, head, null, null, isHead);
+            cell.getColumnIndex(), relativeRowIndex, head, null, null, isHead, excelContentProperty);
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof CellWriteHandler) {
                 ((CellWriteHandler)writeHandler).afterCellCreate(context);
@@ -150,8 +151,7 @@ public class WriteHandlerUtils {
     }
 
     public static void afterCellDataConverted(WriteContext writeContext, WriteCellData<?> cellData, Cell cell,
-        Head head,
+        Head head, Integer relativeRowIndex, Boolean isHead, ExcelContentProperty excelContentProperty) {
-        Integer relativeRowIndex, Boolean isHead) {
         List<WriteHandler> handlerList =
             writeContext.currentWriteHolder().writeHandlerMap().get(CellWriteHandler.class);
         if (handlerList == null || handlerList.isEmpty()) {
@@ -160,7 +160,7 @@ public class WriteHandlerUtils {
         List<WriteCellData<?>> cellDataList = cellData == null ? null : ListUtils.newArrayList(cellData);
         CellWriteHandlerContext context = new CellWriteHandlerContext(writeContext, writeContext.writeWorkbookHolder(),
             writeContext.writeSheetHolder(), writeContext.writeTableHolder(), cell.getRow(), cell,
-            cell.getColumnIndex(), relativeRowIndex, head, cellDataList, cellData, isHead);
+            cell.getColumnIndex(), relativeRowIndex, head, cellDataList, cellData, isHead, excelContentProperty);
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof CellWriteHandler) {
                 ((CellWriteHandler)writeHandler).afterCellDataConverted(context);
@@ -169,14 +169,13 @@ public class WriteHandlerUtils {
     }
 
     public static void afterCellDispose(WriteContext writeContext, WriteCellData<?> cellData, Cell cell, Head head,
-        Integer relativeRowIndex, Boolean isHead) {
+        Integer relativeRowIndex, Boolean isHead, ExcelContentProperty excelContentProperty) {
         List<WriteCellData<?>> cellDataList = cellData == null ? null : ListUtils.newArrayList(cellData);
-        afterCellDispose(writeContext, cellDataList, cell, head, relativeRowIndex, isHead);
+        afterCellDispose(writeContext, cellDataList, cell, head, relativeRowIndex, isHead, excelContentProperty);
     }
 
     public static void afterCellDispose(WriteContext writeContext, List<WriteCellData<?>> cellDataList, Cell cell,
-        Head head,
+        Head head, Integer relativeRowIndex, Boolean isHead, ExcelContentProperty excelContentProperty) {
-        Integer relativeRowIndex, Boolean isHead) {
         List<WriteHandler> handlerList =
             writeContext.currentWriteHolder().writeHandlerMap().get(CellWriteHandler.class);
         if (handlerList == null || handlerList.isEmpty()) {
@@ -188,7 +187,7 @@ public class WriteHandlerUtils {
         }
         CellWriteHandlerContext context = new CellWriteHandlerContext(writeContext, writeContext.writeWorkbookHolder(),
             writeContext.writeSheetHolder(), writeContext.writeTableHolder(), cell.getRow(), cell,
-            cell.getColumnIndex(), relativeRowIndex, head, cellDataList, cellData, isHead);
+            cell.getColumnIndex(), relativeRowIndex, head, cellDataList, cellData, isHead, excelContentProperty);
         for (WriteHandler writeHandler : handlerList) {
             if (writeHandler instanceof CellWriteHandler) {
                 ((CellWriteHandler)writeHandler).afterCellDispose(context);

src/main/java/com/alibaba/excel/write/executor/AbstractExcelWriteExecutor.java

@@ -23,12 +23,10 @@ import com.alibaba.excel.util.StyleUtil;
 import com.alibaba.excel.util.WorkBookUtil;
 import com.alibaba.excel.util.WriteHandlerUtils;
 import com.alibaba.excel.write.metadata.holder.WriteHolder;
-import com.alibaba.excel.write.metadata.style.WriteCellStyle;
 
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
 import org.apache.poi.ss.usermodel.Cell;
-import org.apache.poi.ss.usermodel.CellStyle;
 import org.apache.poi.ss.usermodel.ClientAnchor;
 import org.apache.poi.ss.usermodel.Comment;
 import org.apache.poi.ss.usermodel.CreationHelper;
@@ -51,14 +49,15 @@ public abstract class AbstractExcelWriteExecutor implements ExcelWriteExecutor {
 
     protected WriteCellData<?> converterAndSet(WriteHolder currentWriteHolder, Class<?> clazz,
         CellDataTypeEnum targetType, Cell cell, Object value, ExcelContentProperty excelContentProperty, Head head,
-        Integer relativeRowIndex) {
+        Integer relativeRowIndex, int rowIndex, int columnIndex) {
         boolean needTrim = value != null && (value instanceof String && currentWriteHolder.globalConfiguration()
             .getAutoTrim());
         if (needTrim) {
             value = ((String)value).trim();
         }
         WriteCellData<?> cellData = convert(currentWriteHolder, clazz, targetType, cell, value, excelContentProperty);
-        WriteHandlerUtils.afterCellDataConverted(writeContext, cellData, cell, head, relativeRowIndex, Boolean.FALSE);
+        WriteHandlerUtils.afterCellDataConverted(writeContext, cellData, cell, head, relativeRowIndex, Boolean.FALSE,
+            excelContentProperty);
 
         // Fill in picture information
         fillImage(cell, cellData.getImageDataList());
@@ -72,12 +71,9 @@ public abstract class AbstractExcelWriteExecutor implements ExcelWriteExecutor {
         // Fill in formula information
         fillFormula(cell, cellData.getFormulaData());
 
-        // Fill in style information
-        fillStyle(cell, cellData.getWriteCellStyle());
-
         // Fill index
-        cellData.setRowIndex(cell.getRowIndex());
+        cellData.setRowIndex(rowIndex);
-        cellData.setColumnIndex(cell.getColumnIndex());
+        cellData.setColumnIndex(columnIndex);
 
         if (cellData.getType() == null) {
             cellData.setType(CellDataTypeEnum.EMPTY);
@@ -109,14 +105,6 @@ public abstract class AbstractExcelWriteExecutor implements ExcelWriteExecutor {
 
     }
 
-    private void fillStyle(Cell cell, WriteCellStyle writeCellStyle) {
-        if (writeCellStyle == null) {
-            return;
-        }
-        CellStyle cellStyle = writeContext.writeWorkbookHolder().createCellStyle(writeCellStyle);
-        cell.setCellStyle(cellStyle);
-    }
-
     private void fillFormula(Cell cell, FormulaData formulaData) {
         if (formulaData == null) {
             return;

src/main/java/com/alibaba/excel/write/executor/ExcelWriteAddExecutor.java

@@ -59,26 +59,26 @@ public class ExcelWriteAddExecutor extends AbstractExcelWriteExecutor {
         }
     }
 
-    private void addOneRowOfDataToExcel(Object oneRowData, int n, int relativeRowIndex,
+    private void addOneRowOfDataToExcel(Object oneRowData, int rowIndex, int relativeRowIndex,
         Map<Integer, Field> sortedAllFiledMap) {
         if (oneRowData == null) {
             return;
         }
-        WriteHandlerUtils.beforeRowCreate(writeContext, n, relativeRowIndex, Boolean.FALSE);
+        WriteHandlerUtils.beforeRowCreate(writeContext, rowIndex, relativeRowIndex, Boolean.FALSE);
-        Row row = WorkBookUtil.createRow(writeContext.writeSheetHolder().getSheet(), n);
+        Row row = WorkBookUtil.createRow(writeContext.writeSheetHolder().getSheet(), rowIndex);
         WriteHandlerUtils.afterRowCreate(writeContext, row, relativeRowIndex, Boolean.FALSE);
 
         if (oneRowData instanceof Collection<?>) {
-            addBasicTypeToExcel(new CollectionRowData((Collection<?>)oneRowData), row, relativeRowIndex);
+            addBasicTypeToExcel(new CollectionRowData((Collection<?>)oneRowData), row, rowIndex, relativeRowIndex);
         } else if (oneRowData instanceof Map) {
-            addBasicTypeToExcel(new MapRowData((Map<Integer, ?>)oneRowData), row, relativeRowIndex);
+            addBasicTypeToExcel(new MapRowData((Map<Integer, ?>)oneRowData), row, rowIndex, relativeRowIndex);
         } else {
-            addJavaObjectToExcel(oneRowData, row, relativeRowIndex, sortedAllFiledMap);
+            addJavaObjectToExcel(oneRowData, row, rowIndex, relativeRowIndex, sortedAllFiledMap);
         }
         WriteHandlerUtils.afterRowDispose(writeContext, row, relativeRowIndex, Boolean.FALSE);
     }
 
-    private void addBasicTypeToExcel(RowData oneRowData, Row row, int relativeRowIndex) {
+    private void addBasicTypeToExcel(RowData oneRowData, Row row, int rowIndex, int relativeRowIndex) {
         if (oneRowData.isEmpty()) {
             return;
         }
@@ -89,10 +89,10 @@ public class ExcelWriteAddExecutor extends AbstractExcelWriteExecutor {
             if (dataIndex >= oneRowData.size()) {
                 return;
             }
-            int cellIndex = entry.getKey();
+            int columnIndex = entry.getKey();
             Head head = entry.getValue();
-            doAddBasicTypeToExcel(oneRowData, head, row, relativeRowIndex, dataIndex++, cellIndex);
+            doAddBasicTypeToExcel(oneRowData, head, row, rowIndex, relativeRowIndex, dataIndex++, columnIndex);
-            maxCellIndex = Math.max(maxCellIndex, cellIndex);
+            maxCellIndex = Math.max(maxCellIndex, columnIndex);
         }
         // Finish
         if (dataIndex >= oneRowData.size()) {
@@ -104,22 +104,29 @@ public class ExcelWriteAddExecutor extends AbstractExcelWriteExecutor {
 
         int size = oneRowData.size() - dataIndex;
         for (int i = 0; i < size; i++) {
-            doAddBasicTypeToExcel(oneRowData, null, row, relativeRowIndex, dataIndex++, maxCellIndex++);
+            doAddBasicTypeToExcel(oneRowData, null, row, rowIndex, relativeRowIndex, dataIndex++, maxCellIndex++);
         }
     }
 
-    private void doAddBasicTypeToExcel(RowData oneRowData, Head head, Row row, int relativeRowIndex, int dataIndex,
+    private void doAddBasicTypeToExcel(RowData oneRowData, Head head, Row row, int rowIndex, int relativeRowIndex,
-        int cellIndex) {
+        int dataIndex, int columnIndex) {
-        WriteHandlerUtils.beforeCellCreate(writeContext, row, head, cellIndex, relativeRowIndex, Boolean.FALSE);
+        ExcelContentProperty excelContentProperty = ClassUtils.declaredExcelContentProperty(null,
-        Cell cell = WorkBookUtil.createCell(row, cellIndex);
+            writeContext.currentWriteHolder().excelWriteHeadProperty().getHeadClazz(),
-        WriteHandlerUtils.afterCellCreate(writeContext, cell, head, relativeRowIndex, Boolean.FALSE);
+            head == null ? null : head.getFieldName());
+
+        WriteHandlerUtils.beforeCellCreate(writeContext, row, head, columnIndex, relativeRowIndex, Boolean.FALSE,
+            excelContentProperty);
+        Cell cell = WorkBookUtil.createCell(row, columnIndex);
+        WriteHandlerUtils.afterCellCreate(writeContext, cell, head, relativeRowIndex, Boolean.FALSE,
+            excelContentProperty);
         Object value = oneRowData.get(dataIndex);
         WriteCellData<?> cellData = converterAndSet(writeContext.currentWriteHolder(),
-            FieldUtils.getFieldClass(oneRowData, dataIndex), null, cell, value, null, head, relativeRowIndex);
+            FieldUtils.getFieldClass(value), null, cell, value, null, head, relativeRowIndex, rowIndex, columnIndex);
-        WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, head, relativeRowIndex, Boolean.FALSE);
+        WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, head, relativeRowIndex, Boolean.FALSE,
+            excelContentProperty);
     }
 
-    private void addJavaObjectToExcel(Object oneRowData, Row row, int relativeRowIndex,
+    private void addJavaObjectToExcel(Object oneRowData, Row row, int rowIndex, int relativeRowIndex,
         Map<Integer, Field> sortedAllFiledMap) {
         WriteHolder currentWriteHolder = writeContext.currentWriteHolder();
         BeanMap beanMap = BeanMapUtils.create(oneRowData);
@@ -128,26 +135,27 @@ public class ExcelWriteAddExecutor extends AbstractExcelWriteExecutor {
         // If it's a class it needs to be cast by type
         if (HeadKindEnum.CLASS.equals(writeContext.currentWriteHolder().excelWriteHeadProperty().getHeadKind())) {
             Map<Integer, Head> headMap = writeContext.currentWriteHolder().excelWriteHeadProperty().getHeadMap();
-            Map<Integer, ExcelContentProperty> contentPropertyMap =
+            for (Map.Entry<Integer, Head> entry : headMap.entrySet()) {
-                writeContext.currentWriteHolder().excelWriteHeadProperty().getContentPropertyMap();
+                int columnIndex = entry.getKey();
-            for (Map.Entry<Integer, ExcelContentProperty> entry : contentPropertyMap.entrySet()) {
+                Head head = entry.getValue();
-                int cellIndex = entry.getKey();
+                String name = head.getFieldName();
-                ExcelContentProperty excelContentProperty = entry.getValue();
-                String name = FieldUtils.resolveCglibFieldName(excelContentProperty.getField());
                 if (!beanMap.containsKey(name)) {
                     continue;
                 }
-                Head head = headMap.get(cellIndex);
+                ExcelContentProperty excelContentProperty = ClassUtils.declaredExcelContentProperty(beanMap,
-                WriteHandlerUtils.beforeCellCreate(writeContext, row, head, cellIndex, relativeRowIndex, Boolean.FALSE);
+                    currentWriteHolder.excelWriteHeadProperty().getHeadClazz(), name);
-                Cell cell = WorkBookUtil.createCell(row, cellIndex);
+                WriteHandlerUtils.beforeCellCreate(writeContext, row, head, columnIndex, relativeRowIndex,
-                WriteHandlerUtils.afterCellCreate(writeContext, cell, head, relativeRowIndex, Boolean.FALSE);
+                    Boolean.FALSE, excelContentProperty);
+                Cell cell = WorkBookUtil.createCell(row, columnIndex);
+                WriteHandlerUtils.afterCellCreate(writeContext, cell, head, relativeRowIndex, Boolean.FALSE,
+                    excelContentProperty);
                 Object value = beanMap.get(name);
-                WriteCellData<?> cellData = converterAndSet(currentWriteHolder,
+                WriteCellData<?> cellData = converterAndSet(currentWriteHolder, head.getField().getType(),
-                    excelContentProperty.getField().getType(),
+                    null, cell, value, excelContentProperty, head, relativeRowIndex, rowIndex, columnIndex);
-                    null, cell, value, excelContentProperty, head, relativeRowIndex);
+                WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, head, relativeRowIndex, Boolean.FALSE,
-                WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, head, relativeRowIndex, Boolean.FALSE);
+                    excelContentProperty);
                 beanMapHandledSet.add(name);
-                maxCellIndex = Math.max(maxCellIndex, cellIndex);
+                maxCellIndex = Math.max(maxCellIndex, columnIndex);
             }
         }
         // Finish
@@ -160,21 +168,27 @@ public class ExcelWriteAddExecutor extends AbstractExcelWriteExecutor {
         initSortedAllFiledMapFieldList(oneRowData.getClass(), sortedAllFiledMap);
         for (Map.Entry<Integer, Field> entry : sortedAllFiledMap.entrySet()) {
             Field field = entry.getValue();
-            String filedName = field.getName();
+            String filedName = FieldUtils.resolveCglibFieldName(field);
             boolean uselessData = !beanMap.containsKey(filedName) || beanMapHandledSet.contains(filedName)
                 || ignoreMap.containsKey(filedName);
             if (uselessData) {
                 continue;
             }
             Object value = beanMap.get(filedName);
-            WriteHandlerUtils.beforeCellCreate(writeContext, row, null, maxCellIndex, relativeRowIndex, Boolean.FALSE);
+            ExcelContentProperty excelContentProperty = ClassUtils.declaredExcelContentProperty(beanMap,
+                currentWriteHolder.excelWriteHeadProperty().getHeadClazz(), filedName);
+            WriteHandlerUtils.beforeCellCreate(writeContext, row, null, maxCellIndex, relativeRowIndex, Boolean.FALSE,
+                excelContentProperty);
             // fix https://github.com/alibaba/easyexcel/issues/1870
             // If there is data, it is written to the next cell
             Cell cell = WorkBookUtil.createCell(row, maxCellIndex++);
-            WriteHandlerUtils.afterCellCreate(writeContext, cell, null, relativeRowIndex, Boolean.FALSE);
+            WriteHandlerUtils.afterCellCreate(writeContext, cell, null, relativeRowIndex, Boolean.FALSE,
+                excelContentProperty);
             WriteCellData<?> cellData = converterAndSet(currentWriteHolder,
-                FieldUtils.getFieldClass(beanMap, filedName), null, cell, value, null, null, relativeRowIndex);
+                FieldUtils.getFieldClass(beanMap, filedName, value), null, cell, value, null, null, relativeRowIndex,
-            WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, null, relativeRowIndex, Boolean.FALSE);
+                rowIndex, maxCellIndex);
+            WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, null, relativeRowIndex, Boolean.FALSE,
+                excelContentProperty);
         }
     }
 

src/main/java/com/alibaba/excel/write/executor/ExcelWriteFillExecutor.java

@@ -7,6 +7,7 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Set;
 
 import com.alibaba.excel.context.WriteContext;
@@ -17,6 +18,7 @@ import com.alibaba.excel.exception.ExcelGenerateException;
 import com.alibaba.excel.metadata.data.WriteCellData;
 import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.util.BeanMapUtils;
+import com.alibaba.excel.util.ClassUtils;
 import com.alibaba.excel.util.FieldUtils;
 import com.alibaba.excel.util.ListUtils;
 import com.alibaba.excel.util.MapUtils;
@@ -188,33 +190,49 @@ public class ExcelWriteFillExecutor extends AbstractExcelWriteExecutor {
             dataMap = BeanMapUtils.create(oneRowData);
         }
         WriteSheetHolder writeSheetHolder = writeContext.writeSheetHolder();
-        Map<String, ExcelContentProperty> fieldNameContentPropertyMap =
-            writeContext.currentWriteHolder().excelWriteHeadProperty().getFieldNameContentPropertyMap();
-
         for (AnalysisCell analysisCell : analysisCellList) {
-            Cell cell = getOneCell(analysisCell, fillConfig);
             if (analysisCell.getOnlyOneVariable()) {
                 String variable = analysisCell.getVariableList().get(0);
                 if (!dataMap.containsKey(variable)) {
                     continue;
                 }
                 Object value = dataMap.get(variable);
+                ExcelContentProperty excelContentProperty = ClassUtils.declaredExcelContentProperty(dataMap,
+                    writeContext.currentWriteHolder().excelWriteHeadProperty().getHeadClazz(), variable);
+                Cell cell = getOneCell(analysisCell, fillConfig, excelContentProperty);
+
                 WriteCellData<?> cellData = converterAndSet(writeSheetHolder,
-                    FieldUtils.getFieldClass(dataMap, variable),
+                    FieldUtils.getFieldClass(dataMap, variable, value), null, cell, value, excelContentProperty, null,
-                    null, cell, value, fieldNameContentPropertyMap.get(variable), null, relativeRowIndex);
+                    relativeRowIndex, analysisCell.getRowIndex(), analysisCell.getColumnIndex());
-                WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, null, relativeRowIndex, Boolean.FALSE);
+                cellData.setAnalysisCell(analysisCell);
+
+                // Restyle
+                if (fillConfig.getAutoStyle()) {
+                    Optional.ofNullable(collectionFieldStyleCache.get(currentUniqueDataFlag))
+                        .map(collectionFieldStyleMap -> collectionFieldStyleMap.get(analysisCell))
+                        .ifPresent(cellData::setOriginCellStyle);
+                }
+
+                WriteHandlerUtils.afterCellDispose(writeContext, cellData, cell, null, relativeRowIndex, Boolean.FALSE,
+                    excelContentProperty);
             } else {
                 StringBuilder cellValueBuild = new StringBuilder();
                 int index = 0;
                 List<WriteCellData<?>> cellDataList = new ArrayList<>();
+                Cell cell = getOneCell(analysisCell, fillConfig, ExcelContentProperty.EMPTY);
+
                 for (String variable : analysisCell.getVariableList()) {
                     cellValueBuild.append(analysisCell.getPrepareDataList().get(index++));
                     if (!dataMap.containsKey(variable)) {
                         continue;
                     }
                     Object value = dataMap.get(variable);
-                    WriteCellData<?> cellData = convert(writeSheetHolder, value == null ? null : value.getClass(),
+                    ExcelContentProperty excelContentProperty = ClassUtils.declaredExcelContentProperty(dataMap,
-                        CellDataTypeEnum.STRING, cell, value, fieldNameContentPropertyMap.get(variable));
+                        writeContext.currentWriteHolder().excelWriteHeadProperty().getHeadClazz(), variable);
+                    WriteCellData<?> cellData = convert(writeSheetHolder,
+                        FieldUtils.getFieldClass(dataMap, variable, value), CellDataTypeEnum.STRING, cell, value,
+                        excelContentProperty);
+                    cellData.setAnalysisCell(analysisCell);
                     cellDataList.add(cellData);
                     CellDataTypeEnum type = cellData.getType();
                     if (type != null) {
@@ -235,8 +253,16 @@ public class ExcelWriteFillExecutor extends AbstractExcelWriteExecutor {
                 }
                 cellValueBuild.append(analysisCell.getPrepareDataList().get(index));
                 cell.setCellValue(cellValueBuild.toString());
+
+                // Restyle
+                if (fillConfig.getAutoStyle()) {
+                    Optional.ofNullable(collectionFieldStyleCache.get(currentUniqueDataFlag))
+                        .map(collectionFieldStyleMap -> collectionFieldStyleMap.get(analysisCell))
+                        .ifPresent(cell::setCellStyle);
+                }
+
                 WriteHandlerUtils.afterCellDispose(writeContext, cellDataList, cell, null, relativeRowIndex,
-                    Boolean.FALSE);
+                    Boolean.FALSE, ExcelContentProperty.EMPTY);
             }
         }
     }
@@ -252,7 +278,8 @@ public class ExcelWriteFillExecutor extends AbstractExcelWriteExecutor {
         return relativeRowIndex;
     }
 
-    private Cell getOneCell(AnalysisCell analysisCell, FillConfig fillConfig) {
+    private Cell getOneCell(AnalysisCell analysisCell, FillConfig fillConfig,
+        ExcelContentProperty excelContentProperty) {
         Sheet cachedSheet = writeContext.writeSheetHolder().getCachedSheet();
         if (WriteTemplateAnalysisCellTypeEnum.COMMON.equals(analysisCell.getCellType())) {
             return cachedSheet.getRow(analysisCell.getRowIndex()).getCell(analysisCell.getColumnIndex());
@@ -293,32 +320,25 @@ public class ExcelWriteFillExecutor extends AbstractExcelWriteExecutor {
         }
 
         Row row = createRowIfNecessary(sheet, cachedSheet, lastRowIndex, fillConfig, analysisCell, isOriginalCell);
-        Cell cell = createCellIfNecessary(row, lastColumnIndex);
+        Cell cell = createCellIfNecessary(row, lastColumnIndex, excelContentProperty);
-
-        Map<AnalysisCell, CellStyle> collectionFieldStyleMap = collectionFieldStyleCache.computeIfAbsent(
-            currentUniqueDataFlag, key -> MapUtils.newHashMap());
 
         if (isOriginalCell) {
+            Map<AnalysisCell, CellStyle> collectionFieldStyleMap = collectionFieldStyleCache.computeIfAbsent(
+                currentUniqueDataFlag, key -> MapUtils.newHashMap());
             collectionFieldStyleMap.put(analysisCell, cell.getCellStyle());
-        } else {
-            if (fillConfig.getAutoStyle()) {
-                CellStyle cellStyle = collectionFieldStyleMap.get(analysisCell);
-                if (cellStyle != null) {
-                    cell.setCellStyle(cellStyle);
-                }
-            }
         }
         return cell;
     }
 
-    private Cell createCellIfNecessary(Row row, Integer lastColumnIndex) {
+    private Cell createCellIfNecessary(Row row, Integer lastColumnIndex, ExcelContentProperty excelContentProperty) {
         Cell cell = row.getCell(lastColumnIndex);
         if (cell != null) {
             return cell;
         }
-        WriteHandlerUtils.beforeCellCreate(writeContext, row, null, lastColumnIndex, null, Boolean.FALSE);
+        WriteHandlerUtils.beforeCellCreate(writeContext, row, null, lastColumnIndex, null, Boolean.FALSE,
+            excelContentProperty);
         cell = row.createCell(lastColumnIndex);
-        WriteHandlerUtils.afterCellCreate(writeContext, cell, null, null, Boolean.FALSE);
+        WriteHandlerUtils.afterCellCreate(writeContext, cell, null, null, Boolean.FALSE, excelContentProperty);
         return cell;
     }
 

src/main/java/com/alibaba/excel/write/handler/context/CellWriteHandlerContext.java

@@ -5,6 +5,7 @@ import java.util.List;
 import com.alibaba.excel.context.WriteContext;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
 import com.alibaba.excel.write.metadata.holder.WriteTableHolder;
 import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
@@ -73,4 +74,8 @@ public class CellWriteHandlerContext {
      * Nullable.It is null in the case of fill data.
      */
     private Boolean head;
+    /**
+     * Field annotation configuration information.
+     */
+    private ExcelContentProperty excelContentProperty;
 }

src/main/java/com/alibaba/excel/write/handler/impl/FillStyleCellWriteHandler.java

@@ -11,6 +11,7 @@ import com.alibaba.excel.write.metadata.style.WriteCellStyle;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections4.CollectionUtils;
+import org.apache.poi.ss.usermodel.CellStyle;
 
 /**
  * fill cell style.
@@ -28,16 +29,20 @@ public class FillStyleCellWriteHandler implements CellWriteHandler {
     @Override
     public void afterCellDispose(CellWriteHandlerContext context) {
         List<WriteCellData<?>> cellDataList = context.getCellDataList();
-        if (CollectionUtils.isEmpty(cellDataList) || cellDataList.size() > 1) {
+        if (CollectionUtils.size(cellDataList) != 1) {
+            return;
+        }
+        WriteCellData<?> cellData = context.getFirstCellData();
+        if (cellData.getAnalysisCell() != null && !cellData.getAnalysisCell().getOnlyOneVariable()) {
             return;
         }
-        WriteCellData<?> cellData = cellDataList.get(0);
         WriteCellStyle writeCellStyle = cellData.getWriteCellStyle();
-        if (writeCellStyle == null) {
+        CellStyle originCellStyle = cellData.getOriginCellStyle();
+        if (writeCellStyle == null && originCellStyle == null) {
             return;
         }
         WriteWorkbookHolder writeWorkbookHolder = context.getWriteWorkbookHolder();
-        context.getCell().setCellStyle(writeWorkbookHolder.createCellStyle(writeCellStyle));
+        context.getCell().setCellStyle(writeWorkbookHolder.createCellStyle(writeCellStyle, originCellStyle));
     }
 
 }

src/main/java/com/alibaba/excel/write/metadata/holder/AbstractWriteHolder.java

@@ -18,6 +18,7 @@ import com.alibaba.excel.event.NotRepeatExecutor;
 import com.alibaba.excel.event.Order;
 import com.alibaba.excel.metadata.AbstractHolder;
 import com.alibaba.excel.metadata.Head;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.metadata.property.LoopMergeProperty;
 import com.alibaba.excel.metadata.property.OnceAbsoluteMergeProperty;
 import com.alibaba.excel.metadata.property.RowHeightProperty;
@@ -27,6 +28,7 @@ import com.alibaba.excel.write.handler.RowWriteHandler;
 import com.alibaba.excel.write.handler.SheetWriteHandler;
 import com.alibaba.excel.write.handler.WorkbookWriteHandler;
 import com.alibaba.excel.write.handler.WriteHandler;
+import com.alibaba.excel.write.handler.context.CellWriteHandlerContext;
 import com.alibaba.excel.write.merge.LoopMergeStrategy;
 import com.alibaba.excel.write.merge.OnceAbsoluteMergeStrategy;
 import com.alibaba.excel.write.metadata.WriteBasicParameter;
@@ -77,6 +79,7 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
      * Whether to automatically merge headers.Default is true.
      */
     private Boolean automaticMergeHead;
+
     /**
      * Ignore the custom columns.
      */
@@ -194,7 +197,7 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
         }
         if (writeBasicParameter.getCustomConverterList() != null
             && !writeBasicParameter.getCustomConverterList().isEmpty()) {
-            for (Converter converter : writeBasicParameter.getCustomConverterList()) {
+            for (Converter<?> converter : writeBasicParameter.getCustomConverterList()) {
                 getConverterMap().put(ConverterKeyBuild.buildKey(converter.supportJavaTypeKey()), converter);
             }
         }
@@ -215,8 +218,7 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
             if (head.getColumnWidthProperty() != null) {
                 hasColumnWidth = true;
             }
-            if (head.getHeadStyleProperty() != null || head.getHeadFontProperty() != null
+            if (head.getHeadStyleProperty() != null || head.getHeadFontProperty() != null) {
-                || head.getContentStyleProperty() != null || head.getContentFontProperty() != null) {
                 hasStyle = true;
             }
             dealLoopMerge(handlerList, head);
@@ -226,9 +228,9 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
             dealColumnWidth(handlerList);
         }
 
-        if (hasStyle) {
+        //if (hasStyle) {
             dealStyle(handlerList);
-        }
+        //}
 
         dealRowHigh(handlerList);
         dealOnceAbsoluteMerge(handlerList);
@@ -242,13 +244,17 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
             }
 
             @Override
-            protected WriteCellStyle headCellStyle(Head head) {
+            protected WriteCellStyle headCellStyle(CellWriteHandlerContext context) {
-                return WriteCellStyle.build(head.getHeadStyleProperty(), head.getHeadFontProperty());
+                ExcelContentProperty excelContentProperty = context.getExcelContentProperty();
+                return WriteCellStyle.build(excelContentProperty.getContentStyleProperty(),
+                    excelContentProperty.getContentFontProperty());
             }
 
             @Override
-            protected WriteCellStyle contentCellStyle(Head head) {
+            protected WriteCellStyle contentCellStyle(CellWriteHandlerContext context) {
-                return WriteCellStyle.build(head.getContentStyleProperty(), head.getContentFontProperty());
+                ExcelContentProperty excelContentProperty = context.getExcelContentProperty();
+                return WriteCellStyle.build(excelContentProperty.getContentStyleProperty(),
+                    excelContentProperty.getContentFontProperty());
             }
         };
         handlerList.add(styleStrategy);

src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java

@@ -24,11 +24,14 @@ import com.alibaba.excel.write.metadata.style.WriteCellStyle;
 import com.alibaba.excel.write.metadata.style.WriteFont;
 
 import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.poi.hssf.usermodel.HSSFCellStyle;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.ss.usermodel.CellStyle;
 import org.apache.poi.ss.usermodel.Font;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFCellStyle;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
 /**
@@ -37,6 +40,7 @@ import org.apache.poi.xssf.usermodel.XSSFWorkbook;
  * @author Jiaju Zhuang
  */
 @Data
+@Slf4j
 public class WriteWorkbookHolder extends AbstractWriteHolder {
     /***
      * Current poi Workbook.This is only for writing, and there may be no data in version 07 when template data needs to
@@ -129,7 +133,7 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
     /**
      * Used to cell style.
      */
-    private Map<WriteCellStyle, CellStyle> cellStyleMap;
+    private Map<Short, Map<WriteCellStyle, CellStyle>> cellStyleIndexMap;
     /**
      * Used to font.
      */
@@ -206,7 +210,7 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
         } else {
             this.writeExcelOnException = writeWorkbook.getWriteExcelOnException();
         }
-        this.cellStyleMap = MapUtils.newHashMap();
+        this.cellStyleIndexMap = MapUtils.newHashMap();
         this.fontMap = MapUtils.newHashMap();
         this.dataFormatMap = MapUtils.newHashMap();
     }
@@ -242,17 +246,48 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
      * create a cell style.
      *
      * @param writeCellStyle
+     * @param originCellStyle
      * @return
      */
-    public CellStyle createCellStyle(WriteCellStyle writeCellStyle) {
+    public CellStyle createCellStyle(WriteCellStyle writeCellStyle, CellStyle originCellStyle) {
-        CellStyle cellStyle = cellStyleMap.get(writeCellStyle);
+        if (writeCellStyle == null) {
+            return originCellStyle;
+        }
+        WriteCellStyle tempWriteCellStyle = new WriteCellStyle();
+        WriteCellStyle.merge(writeCellStyle, tempWriteCellStyle);
+
+        short styleIndex = -1;
+        Font originFont = null;
+        boolean useCache = true;
+        if (originCellStyle != null) {
+            styleIndex = originCellStyle.getIndex();
+            if (originCellStyle instanceof XSSFCellStyle) {
+                originFont = ((XSSFCellStyle)originCellStyle).getFont();
+            } else if (originCellStyle instanceof HSSFCellStyle) {
+                originFont = ((HSSFCellStyle)originCellStyle).getFont(workbook);
+            }
+            useCache = false;
+        }
+
+        Map<WriteCellStyle, CellStyle> cellStyleMap = cellStyleIndexMap.computeIfAbsent(styleIndex,
+            key -> MapUtils.newHashMap());
+        CellStyle cellStyle = cellStyleMap.get(tempWriteCellStyle);
         if (cellStyle != null) {
             return cellStyle;
         }
-        cellStyle = StyleUtil.buildCellStyle(workbook, writeCellStyle);
+        if (log.isDebugEnabled()) {
-        cellStyle.setDataFormat(createDataFormat(writeCellStyle.getDataFormatData()));
+            log.info("create new style:{},{}", tempWriteCellStyle, originCellStyle);
-        cellStyle.setFont(createFont(writeCellStyle.getWriteFont()));
+        }
-        cellStyleMap.put(writeCellStyle, cellStyle);
+        cellStyle = StyleUtil.buildCellStyle(workbook, originCellStyle, writeCellStyle);
+        Short dataFormat = createDataFormat(tempWriteCellStyle.getDataFormatData(), useCache);
+        if (dataFormat != null) {
+            cellStyle.setDataFormat(dataFormat);
+        }
+        Font font = createFont(tempWriteCellStyle.getWriteFont(), originFont, useCache);
+        if (font != null) {
+            cellStyle.setFont(font);
+        }
+        cellStyleMap.put(tempWriteCellStyle, cellStyle);
         return cellStyle;
     }
 
@@ -260,15 +295,23 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
      * create a font.
      *
      * @param writeFont
+     * @param originFont
+     * @param useCache
      * @return
      */
-    public Font createFont(WriteFont writeFont) {
+    public Font createFont(WriteFont writeFont, Font originFont, boolean useCache) {
-        Font font = fontMap.get(writeFont);
+        if (!useCache) {
+            return StyleUtil.buildFont(workbook, originFont, writeFont);
+        }
+        WriteFont tempWriteFont = new WriteFont();
+        WriteFont.merge(writeFont, tempWriteFont);
+
+        Font font = fontMap.get(tempWriteFont);
         if (font != null) {
             return font;
         }
-        font = StyleUtil.buildFont(workbook, writeFont);
+        font = StyleUtil.buildFont(workbook, originFont, tempWriteFont);
-        fontMap.put(writeFont, font);
+        fontMap.put(tempWriteFont, font);
         return font;
     }
 
@@ -276,15 +319,25 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
      * create a data format.
      *
      * @param dataFormatData
+     * @param useCache
      * @return
      */
-    public Short createDataFormat(DataFormatData dataFormatData) {
+    public Short createDataFormat(DataFormatData dataFormatData, boolean useCache) {
-        Short dataFormat = dataFormatMap.get(dataFormatData);
+        if (dataFormatData == null) {
+            return null;
+        }
+        if (!useCache) {
+            return StyleUtil.buildDataFormat(workbook, dataFormatData);
+        }
+        DataFormatData tempDataFormatData = new DataFormatData();
+        DataFormatData.merge(dataFormatData, tempDataFormatData);
+
+        Short dataFormat = dataFormatMap.get(tempDataFormatData);
         if (dataFormat != null) {
             return dataFormat;
         }
-        dataFormat = StyleUtil.buildDataFormat(workbook, dataFormatData);
+        dataFormat = StyleUtil.buildDataFormat(workbook, tempDataFormatData);
-        dataFormatMap.put(dataFormatData, dataFormat);
+        dataFormatMap.put(tempDataFormatData, dataFormat);
         return dataFormat;
     }
 

src/main/java/com/alibaba/excel/write/property/ExcelWriteHeadProperty.java

@@ -7,11 +7,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import com.alibaba.excel.annotation.write.style.ColumnWidth;
-import com.alibaba.excel.annotation.write.style.ContentFontStyle;
 import com.alibaba.excel.annotation.write.style.ContentLoopMerge;
 import com.alibaba.excel.annotation.write.style.ContentRowHeight;
-import com.alibaba.excel.annotation.write.style.ContentStyle;
 import com.alibaba.excel.annotation.write.style.HeadFontStyle;
 import com.alibaba.excel.annotation.write.style.HeadRowHeight;
 import com.alibaba.excel.annotation.write.style.HeadStyle;
@@ -20,8 +17,6 @@ import com.alibaba.excel.enums.HeadKindEnum;
 import com.alibaba.excel.metadata.CellRange;
 import com.alibaba.excel.metadata.Head;
 import com.alibaba.excel.metadata.Holder;
-import com.alibaba.excel.metadata.property.ColumnWidthProperty;
-import com.alibaba.excel.metadata.property.ExcelContentProperty;
 import com.alibaba.excel.metadata.property.ExcelHeadProperty;
 import com.alibaba.excel.metadata.property.FontProperty;
 import com.alibaba.excel.metadata.property.LoopMergeProperty;
@@ -29,49 +24,42 @@ import com.alibaba.excel.metadata.property.OnceAbsoluteMergeProperty;
 import com.alibaba.excel.metadata.property.RowHeightProperty;
 import com.alibaba.excel.metadata.property.StyleProperty;
 
+import lombok.Data;
+
 /**
  * Define the header attribute of excel
  *
  * @author jipengfei
  */
+@Data
 public class ExcelWriteHeadProperty extends ExcelHeadProperty {
 
     private RowHeightProperty headRowHeightProperty;
     private RowHeightProperty contentRowHeightProperty;
     private OnceAbsoluteMergeProperty onceAbsoluteMergeProperty;
 
-    public ExcelWriteHeadProperty(Holder holder, Class headClazz, List<List<String>> head) {
+    public ExcelWriteHeadProperty(Holder holder, Class<?> headClazz, List<List<String>> head) {
         super(holder, headClazz, head);
         if (getHeadKind() != HeadKindEnum.CLASS) {
             return;
         }
         this.headRowHeightProperty =
-            RowHeightProperty.build((HeadRowHeight)headClazz.getAnnotation(HeadRowHeight.class));
+            RowHeightProperty.build(headClazz.getAnnotation(HeadRowHeight.class));
         this.contentRowHeightProperty =
-            RowHeightProperty.build((ContentRowHeight)headClazz.getAnnotation(ContentRowHeight.class));
+            RowHeightProperty.build(headClazz.getAnnotation(ContentRowHeight.class));
         this.onceAbsoluteMergeProperty =
-            OnceAbsoluteMergeProperty.build((OnceAbsoluteMerge)headClazz.getAnnotation(OnceAbsoluteMerge.class));
+            OnceAbsoluteMergeProperty.build(headClazz.getAnnotation(OnceAbsoluteMerge.class));
 
-        ColumnWidth parentColumnWidth = (ColumnWidth)headClazz.getAnnotation(ColumnWidth.class);
+        HeadStyle parentHeadStyle = headClazz.getAnnotation(HeadStyle.class);
-        HeadStyle parentHeadStyle = (HeadStyle)headClazz.getAnnotation(HeadStyle.class);
+        HeadFontStyle parentHeadFontStyle = headClazz.getAnnotation(HeadFontStyle.class);
-        HeadFontStyle parentHeadFontStyle = (HeadFontStyle)headClazz.getAnnotation(HeadFontStyle.class);
-        ContentStyle parentContentStyle = (ContentStyle)headClazz.getAnnotation(ContentStyle.class);
-        ContentFontStyle parentContentFontStyle = (ContentFontStyle)headClazz.getAnnotation(ContentFontStyle.class);
 
-        for (Map.Entry<Integer, ExcelContentProperty> entry : getContentPropertyMap().entrySet()) {
+        for (Map.Entry<Integer, Head> entry : getHeadMap().entrySet()) {
-            Integer index = entry.getKey();
+            Head headData = entry.getValue();
-            ExcelContentProperty excelContentPropertyData = entry.getValue();
+            if (headData == null) {
-            if (excelContentPropertyData == null) {
                 throw new IllegalArgumentException(
                     "Passing in the class and list the head, the two must be the same size.");
             }
-            Field field = excelContentPropertyData.getField();
+            Field field = headData.getField();
-            Head headData = getHeadMap().get(index);
-            ColumnWidth columnWidth = field.getAnnotation(ColumnWidth.class);
-            if (columnWidth == null) {
-                columnWidth = parentColumnWidth;
-            }
-            headData.setColumnWidthProperty(ColumnWidthProperty.build(columnWidth));
 
             HeadStyle headStyle = field.getAnnotation(HeadStyle.class);
             if (headStyle == null) {
@@ -85,46 +73,10 @@ public class ExcelWriteHeadProperty extends ExcelHeadProperty {
             }
             headData.setHeadFontProperty(FontProperty.build(headFontStyle));
 
-            ContentStyle contentStyle = field.getAnnotation(ContentStyle.class);
-            if (contentStyle == null) {
-                contentStyle = parentContentStyle;
-            }
-            headData.setContentStyleProperty(StyleProperty.build(contentStyle));
-
-            ContentFontStyle contentFontStyle = field.getAnnotation(ContentFontStyle.class);
-            if (contentFontStyle == null) {
-                contentFontStyle = parentContentFontStyle;
-            }
-            headData.setContentFontProperty(FontProperty.build(contentFontStyle));
-
             headData.setLoopMergeProperty(LoopMergeProperty.build(field.getAnnotation(ContentLoopMerge.class)));
         }
     }
 
-    public RowHeightProperty getHeadRowHeightProperty() {
-        return headRowHeightProperty;
-    }
-
-    public void setHeadRowHeightProperty(RowHeightProperty headRowHeightProperty) {
-        this.headRowHeightProperty = headRowHeightProperty;
-    }
-
-    public RowHeightProperty getContentRowHeightProperty() {
-        return contentRowHeightProperty;
-    }
-
-    public void setContentRowHeightProperty(RowHeightProperty contentRowHeightProperty) {
-        this.contentRowHeightProperty = contentRowHeightProperty;
-    }
-
-    public OnceAbsoluteMergeProperty getOnceAbsoluteMergeProperty() {
-        return onceAbsoluteMergeProperty;
-    }
-
-    public void setOnceAbsoluteMergeProperty(OnceAbsoluteMergeProperty onceAbsoluteMergeProperty) {
-        this.onceAbsoluteMergeProperty = onceAbsoluteMergeProperty;
-    }
-
     /**
      * Calculate all cells that need to be merged
      *

src/main/java/com/alibaba/excel/write/style/AbstractVerticalCellStyleStrategy.java

@@ -18,12 +18,12 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl
             return;
         }
         WriteCellData<?> cellData = context.getFirstCellData();
-        WriteCellStyle.merge(headCellStyle(context.getHeadData()), cellData.getOrCreateStyle());
+        WriteCellStyle.merge(headCellStyle(context), cellData.getOrCreateStyle());
     }
 
     @Override
     protected void setContentCellStyle(CellWriteHandlerContext context) {
-        if (stopProcessing(context)) {
+        if (context.getFirstCellData() == null) {
             return;
         }
         WriteCellData<?> cellData = context.getFirstCellData();
@@ -31,13 +31,13 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl
     }
 
     /**
-     * Returns the column width corresponding to each column head.
+     * Returns the column width corresponding to each column head
      *
      * @param context
      * @return
      */
-    protected WriteCellStyle contentCellStyle(CellWriteHandlerContext context) {
+    protected WriteCellStyle headCellStyle(CellWriteHandlerContext context) {
-        return contentCellStyle(context.getHeadData());
+        return headCellStyle(context.getHeadData());
     }
 
     /**
@@ -46,7 +46,19 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl
      * @param head Nullable
      * @return
      */
-    protected abstract WriteCellStyle headCellStyle(Head head);
+    protected WriteCellStyle headCellStyle(Head head) {
+        return null;
+    }
+
+    /**
+     * Returns the column width corresponding to each column head.
+     *
+     * @param context
+     * @return
+     */
+    protected WriteCellStyle contentCellStyle(CellWriteHandlerContext context) {
+        return contentCellStyle(context.getHeadData());
+    }
 
     /**
      * Returns the column width corresponding to each column head
@@ -55,9 +67,7 @@ public abstract class AbstractVerticalCellStyleStrategy extends AbstractCellStyl
      * @return
      */
     protected WriteCellStyle contentCellStyle(Head head) {
-        throw new UnsupportedOperationException(
+        return null;
-            "One of the two methods 'contentCellStyle(Cell cell, Head head, Integer relativeRowIndex)' and "
-                + "'contentCellStyle(Head head)' must be implemented.");
     }
 
     protected boolean stopProcessing(CellWriteHandlerContext context) {

src/test/java/com/alibaba/easyexcel/test/core/StyleTestUtils.java

@@ -0,0 +1,43 @@
+package com.alibaba.easyexcel.test.core;
+
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFCell;
+
+public class StyleTestUtils {
+
+    public static byte[] getFillForegroundColor(Cell cell) {
+        if (cell instanceof XSSFCell) {
+            return ((XSSFCell)cell).getCellStyle().getFillForegroundColorColor().getRGB();
+        } else {
+            return short2byte(((HSSFCell)cell).getCellStyle().getFillForegroundColorColor().getTriplet());
+        }
+    }
+
+    public static byte[] getFontColor(Cell cell, Workbook workbook) {
+        if (cell instanceof XSSFCell) {
+            return ((XSSFCell)cell).getCellStyle().getFont().getXSSFColor().getRGB();
+        } else {
+            return short2byte(((HSSFCell)cell).getCellStyle().getFont(workbook).getHSSFColor((HSSFWorkbook)workbook)
+                .getTriplet());
+        }
+    }
+
+    public static short getFontHeightInPoints(Cell cell, Workbook workbook) {
+        if (cell instanceof XSSFCell) {
+            return ((XSSFCell)cell).getCellStyle().getFont().getFontHeightInPoints();
+        } else {
+            return ((HSSFCell)cell).getCellStyle().getFont(workbook).getFontHeightInPoints();
+        }
+    }
+
+    private static byte[] short2byte(short[] shorts) {
+        byte[] bytes = new byte[shorts.length];
+        for (int i = 0; i < shorts.length; i++) {
+            bytes[i] = (byte)shorts[i];
+        }
+        return bytes;
+    }
+}

src/test/java/com/alibaba/easyexcel/test/core/fill/FillDataTest.java

@@ -6,23 +6,23 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.FixMethodOrder;
-import org.junit.Test;
-import org.junit.runners.MethodSorters;
-
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.ExcelWriter;
 import com.alibaba.excel.enums.WriteDirectionEnum;
+import com.alibaba.excel.exception.ExcelGenerateException;
 import com.alibaba.excel.write.merge.LoopMergeStrategy;
 import com.alibaba.excel.write.metadata.WriteSheet;
 import com.alibaba.excel.write.metadata.fill.FillConfig;
 import com.alibaba.excel.write.metadata.fill.FillWrapper;
 
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
 /**
- *
  * @author Jiaju Zhuang
  */
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
@@ -30,8 +30,10 @@ public class FillDataTest {
 
     private static File file07;
     private static File file03;
+    private static File fileCsv;
     private static File simpleTemplate07;
     private static File simpleTemplate03;
+    private static File simpleTemplateCsv;
     private static File fileComplex07;
     private static File complexFillTemplate07;
     private static File fileComplex03;
@@ -53,8 +55,10 @@ public class FillDataTest {
     public static void init() {
         file07 = TestFileUtil.createNewFile("fill07.xlsx");
         file03 = TestFileUtil.createNewFile("fill03.xls");
+        fileCsv = TestFileUtil.createNewFile("fill.csv");
         simpleTemplate07 = TestFileUtil.readFile("fill" + File.separator + "simple.xlsx");
         simpleTemplate03 = TestFileUtil.readFile("fill" + File.separator + "simple.xls");
+        simpleTemplateCsv = TestFileUtil.readFile("fill" + File.separator + "simple.csv");
         fileComplex07 = TestFileUtil.createNewFile("fillComplex07.xlsx");
         complexFillTemplate07 = TestFileUtil.readFile("fill" + File.separator + "complex.xlsx");
         fileComplex03 = TestFileUtil.createNewFile("fillComplex03.xls");
@@ -83,6 +87,13 @@ public class FillDataTest {
         fill(file03, simpleTemplate03);
     }
 
+    @Test
+    public void t03FillCsv() {
+        ExcelGenerateException excelGenerateException = Assert.assertThrows(ExcelGenerateException.class,
+            () -> fill(fileCsv, simpleTemplateCsv));
+        Assert.assertEquals("csv cannot use template.", excelGenerateException.getMessage());
+    }
+
     @Test
     public void t03ComplexFill07() {
         complexFill(fileComplex07, complexFillTemplate07);
@@ -147,11 +158,11 @@ public class FillDataTest {
         excelWriter.finish();
 
         List<Object> list = EasyExcel.read(file).ignoreEmptyRow(false).sheet().headRowNumber(0).doReadSync();
-        Map<String, String> map0 = (Map<String, String>) list.get(0);
+        Map<String, String> map0 = (Map<String, String>)list.get(0);
         Assert.assertEquals("张三", map0.get(21));
-        Map<String, String> map27 = (Map<String, String>) list.get(27);
+        Map<String, String> map27 = (Map<String, String>)list.get(27);
         Assert.assertEquals("张三", map27.get(0));
-        Map<String, String> map29 = (Map<String, String>) list.get(29);
+        Map<String, String> map29 = (Map<String, String>)list.get(29);
         Assert.assertEquals("张三", map29.get(3));
     }
 
@@ -168,7 +179,7 @@ public class FillDataTest {
 
         List<Object> list = EasyExcel.read(file).sheet().headRowNumber(0).doReadSync();
         Assert.assertEquals(list.size(), 5L);
-        Map<String, String> map0 = (Map<String, String>) list.get(0);
+        Map<String, String> map0 = (Map<String, String>)list.get(0);
         Assert.assertEquals("张三", map0.get(2));
     }
 
@@ -185,7 +196,7 @@ public class FillDataTest {
         excelWriter.finish();
         List<Object> list = EasyExcel.read(file).sheet().headRowNumber(3).doReadSync();
         Assert.assertEquals(list.size(), 21L);
-        Map<String, String> map19 = (Map<String, String>) list.get(19);
+        Map<String, String> map19 = (Map<String, String>)list.get(19);
         Assert.assertEquals("张三", map19.get(0));
     }
 

src/test/java/com/alibaba/easyexcel/test/core/fill/style/FillStyleAnnotatedData.java

@@ -0,0 +1,29 @@
+package com.alibaba.easyexcel.test.core.fill.style;
+
+import java.util.Date;
+
+import com.alibaba.excel.annotation.write.style.ContentFontStyle;
+import com.alibaba.excel.annotation.write.style.ContentStyle;
+import com.alibaba.excel.enums.BooleanEnum;
+import com.alibaba.excel.enums.poi.FillPatternTypeEnum;
+
+import lombok.Data;
+
+/**
+ * @author Jiaju Zhuang
+ */
+@Data
+public class FillStyleAnnotatedData {
+    @ContentStyle(fillPatternType = FillPatternTypeEnum.SOLID_FOREGROUND, fillForegroundColor = 13)
+    @ContentFontStyle(bold = BooleanEnum.TRUE, color = 19)
+    private String name;
+    @ContentStyle(fillPatternType = FillPatternTypeEnum.SOLID_FOREGROUND, fillForegroundColor = 10)
+    @ContentFontStyle(bold = BooleanEnum.TRUE, color = 16)
+    private Double number;
+    @ContentStyle(fillPatternType = FillPatternTypeEnum.SOLID_FOREGROUND, fillForegroundColor = 17)
+    @ContentFontStyle(bold = BooleanEnum.TRUE, color = 58)
+    private Date date;
+    @ContentStyle(fillPatternType = FillPatternTypeEnum.SOLID_FOREGROUND, fillForegroundColor = 12)
+    @ContentFontStyle(bold = BooleanEnum.TRUE, color = 18)
+    private String empty;
+}

src/test/java/com/alibaba/easyexcel/test/core/fill/style/FillStyleAnnotatedTest.java

@@ -0,0 +1,325 @@
+package com.alibaba.easyexcel.test.core.fill.style;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.List;
+
+import com.alibaba.easyexcel.test.core.fill.FillData;
+import com.alibaba.easyexcel.test.util.TestFileUtil;
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.metadata.Head;
+import com.alibaba.excel.util.DateUtils;
+import com.alibaba.excel.util.ListUtils;
+import com.alibaba.excel.write.handler.context.CellWriteHandlerContext;
+import com.alibaba.excel.write.metadata.style.WriteCellStyle;
+import com.alibaba.excel.write.metadata.style.WriteFont;
+import com.alibaba.excel.write.style.AbstractVerticalCellStyleStrategy;
+
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.ss.usermodel.FillPatternType;
+import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.xssf.usermodel.XSSFCell;
+import org.apache.poi.xssf.usermodel.XSSFRow;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author Jiaju Zhuang
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class FillStyleAnnotatedTest {
+
+    private static File FillStyleAnnotated07;
+    private static File FillStyleAnnotated03;
+    private static File fileStyleTemplate07;
+    private static File fileStyleTemplate03;
+
+    @BeforeClass
+    public static void init() {
+        FillStyleAnnotated07 = TestFileUtil.createNewFile("FillStyleAnnotated07.xlsx");
+        FillStyleAnnotated03 = TestFileUtil.createNewFile("FillStyleAnnotated03.xls");
+        fileStyleTemplate07 = TestFileUtil.readFile("fill" + File.separator + "style.xlsx");
+        fileStyleTemplate03 = TestFileUtil.readFile("fill" + File.separator + "style.xls");
+    }
+
+    @Test
+    public void t01Fill07() throws Exception {
+        fill(FillStyleAnnotated07, fileStyleTemplate07);
+        XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(FillStyleAnnotated07));
+        XSSFSheet sheet = workbook.getSheetAt(0);
+        t01Fill07check(sheet.getRow(1));
+        t01Fill07check(sheet.getRow(2));
+    }
+
+    private void t01Fill07check(XSSFRow row) {
+        XSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFFFF00", cell0.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF808000", cell0.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell0.getCellStyle().getFont().getBold());
+
+        XSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals(5.2, cell1.getNumericCellValue(), 1);
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF0000", cell1.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF800000", cell1.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell1.getCellStyle().getFont().getBold());
+
+        XSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("FF008000", cell2.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF003300", cell2.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell2.getCellStyle().getFont().getBold());
+
+        XSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5.2岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF0000", cell3.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FFEEECE1", cell3.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell3.getCellStyle().getFont().getBold());
+
+        XSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFC00000", cell4.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF000000", cell4.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertFalse(cell4.getCellStyle().getFont().getBold());
+
+        XSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFF79646", cell5.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF8064A2", cell5.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertFalse(cell5.getCellStyle().getFont().getBold());
+    }
+
+    @Test
+    public void t02Fill03() throws Exception {
+        fill(FillStyleAnnotated03, fileStyleTemplate03);
+        HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(FillStyleAnnotated03));
+        HSSFSheet sheet = workbook.getSheetAt(0);
+        t02Fill03check(workbook, sheet.getRow(1));
+        t02Fill03check(workbook, sheet.getRow(2));
+    }
+
+    private void t02Fill03check(HSSFWorkbook workbook, HSSFRow row) {
+        HSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:FFFF:0", cell0.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:8080:0", cell0.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell0.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals(5.2, cell1.getNumericCellValue(), 1);
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:0:0", cell1.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:0:0", cell1.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell1.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("0:8080:0", cell2.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("0:3333:0", cell2.getCellStyle().getFont(workbook).getHSSFColor(workbook).getHexString());
+        Assert.assertTrue(cell2.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5.2岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:0:0", cell3.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("FFFF:FFFF:9999", cell3.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell3.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("9999:3333:0", cell4.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("3333:3333:3333", cell4.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertFalse(cell4.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("9999:3333:0", cell5.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("CCCC:9999:FFFF", cell5.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertFalse(cell5.getCellStyle().getFont(workbook).getBold());
+    }
+
+    private void fill(File file, File template) throws Exception {
+        EasyExcel.write(file, FillStyleAnnotatedData.class).withTemplate(template).sheet().doFill(data());
+    }
+
+
+    private void t11FillStyleHandler07check(XSSFRow row) {
+        XSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFFFF00", cell0.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF808000", cell0.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell0.getCellStyle().getFont().getBold());
+
+        XSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals("5", cell1.getStringCellValue());
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF0000", cell1.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF800000", cell1.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell1.getCellStyle().getFont().getBold());
+
+        XSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("FF008000", cell2.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF003300", cell2.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell2.getCellStyle().getFont().getBold());
+
+        XSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("FF0000FF", cell3.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF000080", cell3.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell3.getCellStyle().getFont().getBold());
+
+        XSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFFFF00", cell4.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF808000", cell4.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell4.getCellStyle().getFont().getBold());
+
+        XSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("FF008080", cell5.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF003366", cell5.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell5.getCellStyle().getFont().getBold());
+    }
+
+
+    private void t12FillStyleHandler03check(HSSFWorkbook workbook, HSSFRow row) {
+        HSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:FFFF:0", cell0.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:8080:0", cell0.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell0.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals("5", cell1.getStringCellValue());
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:0:0", cell1.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:0:0", cell1.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell1.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("0:8080:0", cell2.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("0:3333:0", cell2.getCellStyle().getFont(workbook).getHSSFColor(workbook).getHexString());
+        Assert.assertTrue(cell2.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("0:0:FFFF", cell3.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("0:0:8080", cell3.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell3.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:FFFF:0", cell4.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:8080:0", cell4.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell4.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("0:8080:8080", cell5.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("0:3333:6666", cell5.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell5.getCellStyle().getFont(workbook).getBold());
+    }
+
+    private void fillStyleHandler(File file, File template) throws Exception {
+        EasyExcel.write(file, FillData.class).withTemplate(template).sheet()
+            .registerWriteHandler(new AbstractVerticalCellStyleStrategy() {
+
+                @Override
+                protected WriteCellStyle contentCellStyle(CellWriteHandlerContext context) {
+                    WriteCellStyle writeCellStyle = new WriteCellStyle();
+                    WriteFont writeFont = new WriteFont();
+                    writeCellStyle.setWriteFont(writeFont);
+                    writeCellStyle.setFillPatternType(FillPatternType.SOLID_FOREGROUND);
+                    writeFont.setBold(true);
+                    if (context.getColumnIndex() == 0) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.YELLOW.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_YELLOW.getIndex());
+                    }
+                    if (context.getColumnIndex() == 1) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.RED.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_RED.getIndex());
+                    }
+                    if (context.getColumnIndex() == 2) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.GREEN.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_GREEN.getIndex());
+                    }
+                    if (context.getColumnIndex() == 3) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.BLUE.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_BLUE.getIndex());
+                    }
+                    if (context.getColumnIndex() == 4) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.YELLOW.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_YELLOW.getIndex());
+                    }
+                    if (context.getColumnIndex() == 5) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.TEAL.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_TEAL.getIndex());
+                    }
+                    return writeCellStyle;
+                }
+
+                @Override
+                protected WriteCellStyle headCellStyle(Head head) {
+                    return null;
+                }
+
+            })
+            .doFill(data());
+    }
+
+    private List<FillStyleAnnotatedData> data() throws Exception {
+        List<FillStyleAnnotatedData> list = ListUtils.newArrayList();
+        for (int i = 0; i < 10; i++) {
+            FillStyleAnnotatedData fillData = new FillStyleAnnotatedData();
+            list.add(fillData);
+            fillData.setName("张三");
+            fillData.setNumber(5.2);
+            fillData.setDate(DateUtils.parseDate("2020-01-01 01:01:01"));
+            if (i == 5) {
+                fillData.setName(null);
+            }
+        }
+        return list;
+    }
+
+}

src/test/java/com/alibaba/easyexcel/test/core/fill/style/FillStyleData.java

@@ -0,0 +1,16 @@
+package com.alibaba.easyexcel.test.core.fill.style;
+
+import java.util.Date;
+
+import lombok.Data;
+
+/**
+ * @author Jiaju Zhuang
+ */
+@Data
+public class FillStyleData {
+    private String name;
+    private Double number;
+    private Date date;
+    private String empty;
+}

src/test/java/com/alibaba/easyexcel/test/core/fill/style/FillStyleDataTest.java

@@ -0,0 +1,344 @@
+package com.alibaba.easyexcel.test.core.fill.style;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.List;
+
+import com.alibaba.easyexcel.test.util.TestFileUtil;
+import com.alibaba.excel.EasyExcel;
+import com.alibaba.excel.metadata.Head;
+import com.alibaba.excel.util.DateUtils;
+import com.alibaba.excel.util.ListUtils;
+import com.alibaba.excel.write.handler.context.CellWriteHandlerContext;
+import com.alibaba.excel.write.metadata.style.WriteCellStyle;
+import com.alibaba.excel.write.metadata.style.WriteFont;
+import com.alibaba.excel.write.style.AbstractVerticalCellStyleStrategy;
+
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.ss.usermodel.FillPatternType;
+import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.xssf.usermodel.XSSFCell;
+import org.apache.poi.xssf.usermodel.XSSFRow;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runners.MethodSorters;
+
+/**
+ * @author Jiaju Zhuang
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+public class FillStyleDataTest {
+
+    private static File fileStyle07;
+    private static File fileStyle03;
+    private static File fileStyleHandler07;
+    private static File fileStyleHandler03;
+    private static File fileStyleTemplate07;
+    private static File fileStyleTemplate03;
+
+    @BeforeClass
+    public static void init() {
+        fileStyle07 = TestFileUtil.createNewFile("fileStyle07.xlsx");
+        fileStyle03 = TestFileUtil.createNewFile("fileStyle03.xls");
+        fileStyleHandler07 = TestFileUtil.createNewFile("fileStyleHandler07.xlsx");
+        fileStyleHandler03 = TestFileUtil.createNewFile("fileStyleHandler03.xls");
+        fileStyleTemplate07 = TestFileUtil.readFile("fill" + File.separator + "style.xlsx");
+        fileStyleTemplate03 = TestFileUtil.readFile("fill" + File.separator + "style.xls");
+    }
+
+    @Test
+    public void t01Fill07() throws Exception {
+        fill(fileStyle07, fileStyleTemplate07);
+        XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(fileStyle07));
+        XSSFSheet sheet = workbook.getSheetAt(0);
+        t01Fill07check(sheet.getRow(1));
+        t01Fill07check(sheet.getRow(2));
+    }
+
+    private void t01Fill07check(XSSFRow row) {
+        XSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("FF00B050", cell0.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF7030A0", cell0.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell0.getCellStyle().getFont().getBold());
+
+        XSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals(5.2, cell1.getNumericCellValue(), 1);
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("FF92D050", cell1.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF4BACC6", cell1.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertFalse(cell1.getCellStyle().getFont().getBold());
+
+        XSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("FFFFC000", cell2.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FFC0504D", cell2.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell2.getCellStyle().getFont().getBold());
+
+        XSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5.2岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF0000", cell3.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FFEEECE1", cell3.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell3.getCellStyle().getFont().getBold());
+
+        XSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFC00000", cell4.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF000000", cell4.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertFalse(cell4.getCellStyle().getFont().getBold());
+
+        XSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFF79646", cell5.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF8064A2", cell5.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertFalse(cell5.getCellStyle().getFont().getBold());
+    }
+
+    @Test
+    public void t02Fill03() throws Exception {
+        fill(fileStyle03, fileStyleTemplate03);
+        HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(fileStyle03));
+        HSSFSheet sheet = workbook.getSheetAt(0);
+        t02Fill03check(workbook, sheet.getRow(1));
+        t02Fill03check(workbook, sheet.getRow(2));
+    }
+
+    private void t02Fill03check(HSSFWorkbook workbook, HSSFRow row) {
+        HSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("0:8080:0", cell0.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:0:8080", cell0.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell0.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals(5.2, cell1.getNumericCellValue(), 1);
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("9999:CCCC:0", cell1.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("0:8080:8080", cell1.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertFalse(cell1.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("FFFF:CCCC:0", cell2.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:0:0", cell2.getCellStyle().getFont(workbook).getHSSFColor(workbook).getHexString());
+        Assert.assertTrue(cell2.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5.2岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:0:0", cell3.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("FFFF:FFFF:9999", cell3.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell3.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("9999:3333:0", cell4.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("3333:3333:3333", cell4.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertFalse(cell4.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("9999:3333:0", cell5.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("CCCC:9999:FFFF", cell5.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertFalse(cell5.getCellStyle().getFont(workbook).getBold());
+    }
+
+    private void fill(File file, File template) throws Exception {
+        EasyExcel.write(file, FillStyleData.class).withTemplate(template).sheet().doFill(data());
+    }
+
+    @Test
+    public void t11FillStyleHandler07() throws Exception {
+        fillStyleHandler(fileStyleHandler07, fileStyleTemplate07);
+        XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(fileStyleHandler07));
+        XSSFSheet sheet = workbook.getSheetAt(0);
+        t11FillStyleHandler07check(sheet.getRow(1));
+        t11FillStyleHandler07check(sheet.getRow(2));
+    }
+
+    private void t11FillStyleHandler07check(XSSFRow row) {
+        XSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFFFF00", cell0.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF808000", cell0.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell0.getCellStyle().getFont().getBold());
+
+        XSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals(5.2, cell1.getNumericCellValue(), 1);
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF0000", cell1.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF800000", cell1.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell1.getCellStyle().getFont().getBold());
+
+        XSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("FF008000", cell2.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF003300", cell2.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell2.getCellStyle().getFont().getBold());
+
+        XSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5.2岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF0000", cell3.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FFEEECE1", cell3.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertTrue(cell3.getCellStyle().getFont().getBold());
+
+        XSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFC00000", cell4.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF000000", cell4.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertFalse(cell4.getCellStyle().getFont().getBold());
+
+        XSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFF79646", cell5.getCellStyle().getFillForegroundColorColor().getARGBHex());
+        Assert.assertEquals("FF8064A2", cell5.getCellStyle().getFont().getXSSFColor().getARGBHex());
+        Assert.assertFalse(cell5.getCellStyle().getFont().getBold());
+    }
+
+    @Test
+    public void t12FillStyleHandler03() throws Exception {
+        fillStyleHandler(fileStyleHandler03, fileStyleTemplate03);
+        HSSFWorkbook workbook = new HSSFWorkbook(new FileInputStream(fileStyleHandler03));
+        HSSFSheet sheet = workbook.getSheetAt(0);
+        t12FillStyleHandler03check(workbook, sheet.getRow(1));
+        t12FillStyleHandler03check(workbook, sheet.getRow(2));
+    }
+
+    private void t12FillStyleHandler03check(HSSFWorkbook workbook, HSSFRow row) {
+        HSSFCell cell0 = row.getCell(0);
+        Assert.assertEquals("张三", cell0.getStringCellValue());
+        Assert.assertEquals(49, cell0.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:FFFF:0", cell0.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:8080:0", cell0.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell0.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell1 = row.getCell(1);
+        Assert.assertEquals(5.2, cell1.getNumericCellValue(), 1);
+        Assert.assertEquals(0, cell1.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:0:0", cell1.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("8080:0:0", cell1.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell1.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell2 = row.getCell(2);
+        Assert.assertEquals("2020-01-01 01:01:01", DateUtils.format(cell2.getDateCellValue(), "yyyy-MM-dd HH:mm:ss"));
+        Assert.assertEquals("yyyy-MM-dd HH:mm:ss", cell2.getCellStyle().getDataFormatString());
+        Assert.assertEquals("0:8080:0", cell2.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("0:3333:0", cell2.getCellStyle().getFont(workbook).getHSSFColor(workbook).getHexString());
+        Assert.assertTrue(cell2.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell3 = row.getCell(3);
+        Assert.assertEquals("张三今年5.2岁了", cell3.getStringCellValue());
+        Assert.assertEquals(0, cell3.getCellStyle().getDataFormat());
+        Assert.assertEquals("FFFF:0:0", cell3.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("FFFF:FFFF:9999", cell3.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertTrue(cell3.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell4 = row.getCell(4);
+        Assert.assertEquals("{.name}忽略，张三", cell4.getStringCellValue());
+        Assert.assertEquals(0, cell4.getCellStyle().getDataFormat());
+        Assert.assertEquals("9999:3333:0", cell4.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("3333:3333:3333", cell4.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertFalse(cell4.getCellStyle().getFont(workbook).getBold());
+
+        HSSFCell cell5 = row.getCell(5);
+        Assert.assertEquals("空", cell5.getStringCellValue());
+        Assert.assertEquals(0, cell5.getCellStyle().getDataFormat());
+        Assert.assertEquals("9999:3333:0", cell5.getCellStyle().getFillForegroundColorColor().getHexString());
+        Assert.assertEquals("CCCC:9999:FFFF", cell5.getCellStyle().getFont(workbook).getHSSFColor(workbook)
+            .getHexString());
+        Assert.assertFalse(cell5.getCellStyle().getFont(workbook).getBold());
+    }
+
+    private void fillStyleHandler(File file, File template) throws Exception {
+        EasyExcel.write(file, FillStyleData.class).withTemplate(template).sheet()
+            .registerWriteHandler(new AbstractVerticalCellStyleStrategy() {
+
+                @Override
+                protected WriteCellStyle contentCellStyle(CellWriteHandlerContext context) {
+                    WriteCellStyle writeCellStyle = new WriteCellStyle();
+                    WriteFont writeFont = new WriteFont();
+                    writeCellStyle.setWriteFont(writeFont);
+                    writeCellStyle.setFillPatternType(FillPatternType.SOLID_FOREGROUND);
+                    writeFont.setBold(true);
+                    if (context.getColumnIndex() == 0) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.YELLOW.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_YELLOW.getIndex());
+                    }
+                    if (context.getColumnIndex() == 1) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.RED.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_RED.getIndex());
+                    }
+                    if (context.getColumnIndex() == 2) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.GREEN.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_GREEN.getIndex());
+                    }
+                    if (context.getColumnIndex() == 3) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.BLUE.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_BLUE.getIndex());
+                    }
+                    if (context.getColumnIndex() == 4) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.YELLOW.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_YELLOW.getIndex());
+                    }
+                    if (context.getColumnIndex() == 5) {
+                        writeCellStyle.setFillForegroundColor(IndexedColors.TEAL.getIndex());
+                        writeFont.setColor(IndexedColors.DARK_TEAL.getIndex());
+                    }
+                    return writeCellStyle;
+                }
+
+                @Override
+                protected WriteCellStyle headCellStyle(Head head) {
+                    return null;
+                }
+
+            })
+            .doFill(data());
+    }
+
+    private List<FillStyleData> data() throws Exception {
+        List<FillStyleData> list = ListUtils.newArrayList();
+        for (int i = 0; i < 10; i++) {
+            FillStyleData fillData = new FillStyleData();
+            list.add(fillData);
+            fillData.setName("张三");
+            fillData.setNumber(5.2);
+            fillData.setDate(DateUtils.parseDate("2020-01-01 01:01:01"));
+            if (i == 5) {
+                fillData.setName(null);
+            }
+        }
+        return list;
+    }
+
+}

src/test/java/com/alibaba/easyexcel/test/core/large/LargeDataTest.java

@@ -1,6 +1,7 @@
 package com.alibaba.easyexcel.test.core.large;
 
 import java.io.File;
+import java.io.FileOutputStream;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -9,6 +10,11 @@ import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.ExcelWriter;
 import com.alibaba.excel.write.metadata.WriteSheet;
 
+import org.apache.poi.xssf.streaming.SXSSFCell;
+import org.apache.poi.xssf.streaming.SXSSFRow;
+import org.apache.poi.xssf.streaming.SXSSFSheet;
+import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.FixMethodOrder;
 import org.junit.Test;
@@ -25,11 +31,16 @@ public class LargeDataTest {
     private static File fileFill07;
     private static File template07;
     private static File fileCsv;
+    private static File fileWrite07;
+    private static File fileWritePoi07;
+
     private int i = 0;
 
     @BeforeClass
     public static void init() {
         fileFill07 = TestFileUtil.createNewFile("largefill07.xlsx");
+        fileWrite07 = TestFileUtil.createNewFile("large" + File.separator + "fileWrite07.xlsx");
+        fileWritePoi07 = TestFileUtil.createNewFile("large" + File.separator + "fileWritePoi07.xlsx");
         template07 = TestFileUtil.readFile("large" + File.separator + "fill.xlsx");
         fileCsv = TestFileUtil.createNewFile("largefileCsv.csv");
     }
@@ -72,6 +83,41 @@ public class LargeDataTest {
         LOGGER.info("CSV large data total time spent:{}", System.currentTimeMillis() - start);
     }
 
+    @Test
+    public void t04Write() throws Exception {
+        long start = System.currentTimeMillis();
+        ExcelWriter excelWriter = EasyExcel.write(fileWrite07, LargeData.class).build();
+        WriteSheet writeSheet = EasyExcel.writerSheet().build();
+        for (int j = 0; j < 100; j++) {
+            excelWriter.write(data(), writeSheet);
+            LOGGER.info("{} write success.", j);
+        }
+        excelWriter.finish();
+        long cost = System.currentTimeMillis() - start;
+        LOGGER.info("write cost:{}", cost);
+        start = System.currentTimeMillis();
+        try (FileOutputStream fileOutputStream = new FileOutputStream(fileWritePoi07)) {
+            SXSSFWorkbook workbook = new SXSSFWorkbook();
+            SXSSFSheet sheet = workbook.createSheet("sheet1");
+            for (int i = 0; i < 100 * 5000; i++) {
+                SXSSFRow row = sheet.createRow(i);
+                for (int j = 0; j < 25; j++) {
+                    SXSSFCell cell = row.createCell(j);
+                    cell.setCellValue("str-" + j + "-" + i);
+                }
+                if (i % 5000 == 0) {
+                    LOGGER.info("{} write success.", i);
+                }
+            }
+            workbook.write(fileOutputStream);
+            workbook.dispose();
+            workbook.close();
+        }
+        long costPoi = System.currentTimeMillis() - start;
+        LOGGER.info("poi write cost:{}", System.currentTimeMillis() - start);
+        Assert.assertTrue(costPoi * 3 > cost);
+    }
+
     private List<LargeData> data() {
         List<LargeData> list = new ArrayList<>();
         int size = i + 5000;

src/test/java/com/alibaba/easyexcel/test/core/noncamel/UnCamelDataListener.java

@@ -22,11 +22,12 @@ public class UnCamelDataListener extends AnalysisEventListener<UnCamelData> {
     public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {
         log.debug("Head is:{}", JSON.toJSONString(headMap));
         Assert.assertEquals(headMap.get(0), "string1");
-        Assert.assertEquals(headMap.get(1), "String2");
+        Assert.assertEquals(headMap.get(1), "string2");
-        Assert.assertEquals(headMap.get(2), "sTring3");
+        Assert.assertEquals(headMap.get(2), "STring3");
         Assert.assertEquals(headMap.get(3), "STring4");
         Assert.assertEquals(headMap.get(4), "STRING5");
         Assert.assertEquals(headMap.get(5), "STRing6");
+
     }
 
     @Override

src/test/java/com/alibaba/easyexcel/test/core/style/StyleDataTest.java

@@ -4,14 +4,15 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
+import com.alibaba.easyexcel.test.core.StyleTestUtils;
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.annotation.write.style.HeadFontStyle;
 import com.alibaba.excel.annotation.write.style.HeadStyle;
 import com.alibaba.excel.metadata.Head;
+import com.alibaba.excel.metadata.data.DataFormatData;
 import com.alibaba.excel.metadata.property.FontProperty;
 import com.alibaba.excel.metadata.property.StyleProperty;
-import com.alibaba.excel.metadata.data.DataFormatData;
 import com.alibaba.excel.write.merge.LoopMergeStrategy;
 import com.alibaba.excel.write.merge.OnceAbsoluteMergeStrategy;
 import com.alibaba.excel.write.metadata.style.WriteCellStyle;
@@ -22,11 +23,17 @@ import com.alibaba.excel.write.style.column.SimpleColumnWidthStyleStrategy;
 import com.alibaba.excel.write.style.row.SimpleRowHeightStyleStrategy;
 
 import org.apache.poi.ss.usermodel.BorderStyle;
+import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.FillPatternType;
 import org.apache.poi.ss.usermodel.Font;
 import org.apache.poi.ss.usermodel.HorizontalAlignment;
 import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.VerticalAlignment;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.ss.usermodel.WorkbookFactory;
+import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.FixMethodOrder;
 import org.junit.Test;
@@ -40,20 +47,26 @@ public class StyleDataTest {
 
     private static File file07;
     private static File file03;
+    private static File fileVerticalCellStyleStrategy07;
+    private static File fileVerticalCellStyleStrategy207;
+    private static File fileLoopMergeStrategy;
 
     @BeforeClass
     public static void init() {
         file07 = TestFileUtil.createNewFile("style07.xlsx");
         file03 = TestFileUtil.createNewFile("style03.xls");
+        fileVerticalCellStyleStrategy07 = TestFileUtil.createNewFile("verticalCellStyle.xlsx");
+        fileVerticalCellStyleStrategy207 = TestFileUtil.createNewFile("verticalCellStyle2.xlsx");
+        fileLoopMergeStrategy = TestFileUtil.createNewFile("loopMergeStrategy.xlsx");
     }
 
     @Test
-    public void t01ReadAndWrite07() {
+    public void t01ReadAndWrite07() throws Exception {
         readAndWrite(file07);
     }
 
     @Test
-    public void t02ReadAndWrite03() {
+    public void t02ReadAndWrite03() throws Exception {
         readAndWrite(file03);
     }
 
@@ -113,9 +126,12 @@ public class StyleDataTest {
                 return writeCellStyle;
             }
         };
-        EasyExcel.write(file07, StyleData.class).registerWriteHandler(verticalCellStyleStrategy).sheet()
+        EasyExcel.write(fileVerticalCellStyleStrategy07, StyleData.class).registerWriteHandler(
+                verticalCellStyleStrategy).sheet()
             .doWrite(data());
+
     }
+
     @Test
     public void t04AbstractVerticalCellStyleStrategy02() {
         final StyleProperty styleProperty = StyleProperty.build(StyleData.class.getAnnotation(HeadStyle.class));
@@ -152,32 +168,36 @@ public class StyleDataTest {
                 return writeCellStyle;
             }
         };
-        EasyExcel.write(file07, StyleData.class).registerWriteHandler(verticalCellStyleStrategy).sheet()
+        EasyExcel.write(fileVerticalCellStyleStrategy207, StyleData.class).registerWriteHandler(
+                verticalCellStyleStrategy).sheet()
             .doWrite(data());
     }
 
     @Test
     public void t05LoopMergeStrategy() {
-        EasyExcel.write(file07, StyleData.class).sheet().registerWriteHandler(new LoopMergeStrategy(2, 1))
+        EasyExcel.write(fileLoopMergeStrategy, StyleData.class).sheet().registerWriteHandler(
+                new LoopMergeStrategy(2, 1))
             .doWrite(data10());
     }
 
-    private void readAndWrite(File file) {
+    private void readAndWrite(File file) throws Exception {
         SimpleColumnWidthStyleStrategy simpleColumnWidthStyleStrategy = new SimpleColumnWidthStyleStrategy(50);
         SimpleRowHeightStyleStrategy simpleRowHeightStyleStrategy =
             new SimpleRowHeightStyleStrategy((short)40, (short)50);
 
         WriteCellStyle headWriteCellStyle = new WriteCellStyle();
-        headWriteCellStyle.setFillForegroundColor(IndexedColors.RED.getIndex());
+        headWriteCellStyle.setFillForegroundColor(IndexedColors.YELLOW.getIndex());
         WriteFont headWriteFont = new WriteFont();
         headWriteFont.setFontHeightInPoints((short)20);
+        headWriteFont.setColor(IndexedColors.DARK_YELLOW.getIndex());
         headWriteCellStyle.setWriteFont(headWriteFont);
         WriteCellStyle contentWriteCellStyle = new WriteCellStyle();
         contentWriteCellStyle.setFillPatternType(FillPatternType.SOLID_FOREGROUND);
-        contentWriteCellStyle.setFillForegroundColor(IndexedColors.GREEN.getIndex());
+        contentWriteCellStyle.setFillForegroundColor(IndexedColors.TEAL.getIndex());
         WriteFont contentWriteFont = new WriteFont();
-        contentWriteFont.setFontHeightInPoints((short)20);
+        contentWriteFont.setFontHeightInPoints((short)30);
-        headWriteCellStyle.setWriteFont(contentWriteFont);
+        contentWriteFont.setColor(IndexedColors.DARK_TEAL.getIndex());
+        contentWriteCellStyle.setWriteFont(contentWriteFont);
         HorizontalCellStyleStrategy horizontalCellStyleStrategy =
             new HorizontalCellStyleStrategy(headWriteCellStyle, contentWriteCellStyle);
 
@@ -186,6 +206,29 @@ public class StyleDataTest {
             .registerWriteHandler(simpleRowHeightStyleStrategy).registerWriteHandler(horizontalCellStyleStrategy)
             .registerWriteHandler(onceAbsoluteMergeStrategy).sheet().doWrite(data());
         EasyExcel.read(file, StyleData.class, new StyleDataListener()).sheet().doRead();
+
+        Workbook workbook = WorkbookFactory.create(file);
+        Sheet sheet = workbook.getSheetAt(0);
+        Row row0 = sheet.getRow(0);
+        Cell cell00 = row0.getCell(0);
+        Assert.assertArrayEquals(new byte[] {-1, -1, 0}, StyleTestUtils.getFillForegroundColor(cell00));
+        Assert.assertArrayEquals(new byte[] {-128, -128, 0}, StyleTestUtils.getFontColor(cell00, workbook));
+        Assert.assertEquals(20, StyleTestUtils.getFontHeightInPoints(cell00, workbook));
+
+        Cell cell01 = row0.getCell(1);
+        Assert.assertArrayEquals(new byte[] {-1, -1, 0}, StyleTestUtils.getFillForegroundColor(cell01));
+        Assert.assertArrayEquals(new byte[] {-128, -128, 0}, StyleTestUtils.getFontColor(cell01, workbook));
+        Assert.assertEquals(20, StyleTestUtils.getFontHeightInPoints(cell01, workbook));
+
+        Row row1 = sheet.getRow(1);
+        Cell cell10 = row1.getCell(0);
+        Assert.assertArrayEquals(new byte[] {0, -128, -128}, StyleTestUtils.getFillForegroundColor(cell10));
+        Assert.assertArrayEquals(new byte[] {0, 51, 102}, StyleTestUtils.getFontColor(cell10, workbook));
+        Assert.assertEquals(30, StyleTestUtils.getFontHeightInPoints(cell10, workbook));
+        Cell cell11 = row1.getCell(1);
+        Assert.assertArrayEquals(new byte[] {0, -128, -128}, StyleTestUtils.getFillForegroundColor(cell11));
+        Assert.assertArrayEquals(new byte[] {0, 51, 102}, StyleTestUtils.getFontColor(cell11, workbook));
+        Assert.assertEquals(30, StyleTestUtils.getFontHeightInPoints(cell11, workbook));
     }
 
     private List<StyleData> data() {

src/test/java/com/alibaba/easyexcel/test/demo/fill/FillData.java

@@ -1,5 +1,7 @@
 package com.alibaba.easyexcel.test.demo.fill;
 
+import java.util.Date;
+
 import lombok.Data;
 
 /**
@@ -9,4 +11,6 @@ import lombok.Data;
 public class FillData {
     private String name;
     private double number;
+    private Date date;
+
 }

src/test/java/com/alibaba/easyexcel/test/demo/fill/FillTest.java

@@ -233,6 +233,7 @@ public class FillTest {
             list.add(fillData);
             fillData.setName("张三");
             fillData.setNumber(5.2);
+            fillData.setDate(new Date());
         }
         return list;
     }

src/test/java/com/alibaba/easyexcel/test/temp/poi/PoiTest.java

@@ -1,6 +1,7 @@
 package com.alibaba.easyexcel.test.temp.poi;
 
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.util.Date;
@@ -8,13 +9,22 @@ import java.util.Date;
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.util.FileUtils;
 
+import org.apache.poi.hssf.usermodel.HSSFCellStyle;
+import org.apache.poi.hssf.usermodel.HSSFFont;
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.IndexedColors;
 import org.apache.poi.ss.usermodel.Sheet;
 import org.apache.poi.ss.usermodel.Workbook;
 import org.apache.poi.xssf.streaming.SXSSFRow;
 import org.apache.poi.xssf.streaming.SXSSFSheet;
 import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFCellStyle;
+import org.apache.poi.xssf.usermodel.XSSFColor;
+import org.apache.poi.xssf.usermodel.XSSFFont;
 import org.apache.poi.xssf.usermodel.XSSFRow;
 import org.apache.poi.xssf.usermodel.XSSFSheet;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
@@ -39,25 +49,129 @@ public class PoiTest {
         SXSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
         LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
         SXSSFRow row = xssfSheet.getRow(0);
-        LOGGER.info("dd{}",row.getCell(0).getColumnIndex());
+        LOGGER.info("dd{}", row.getCell(0).getColumnIndex());
         Date date = row.getCell(1).getDateCellValue();
 
-
     }
 
     @Test
     public void lastRowNumXSSF() throws IOException {
-        String file = "/Users/zhuangjiaju/test/test3.xlsx";
+
-        XSSFWorkbook xssfWorkbook = new XSSFWorkbook(file);
+        String file = "/Users/zhuangjiaju/test/test3 copy 10.xlsx";
+        XSSFWorkbook xssfWorkbook = new XSSFWorkbook(new FileInputStream(file));
         LOGGER.info("一共:{}个sheet", xssfWorkbook.getNumberOfSheets());
         XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
         LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
-        XSSFRow row = xssfSheet.getRow(0);
+        XSSFRow row = xssfSheet.getRow(1);
-        LOGGER.info("dd{}",row.getCell(0).getRow().getRowNum());
+        LOGGER.info("dd{}", row.getCell(0).getRow().getRowNum());
-        LOGGER.info("dd{}",xssfSheet.getLastRowNum());
+        LOGGER.info("dd{}", xssfSheet.getLastRowNum());
 
-        Date date = row.getCell(1).getDateCellValue();
+        XSSFCellStyle cellStyle = row.getCell(0).getCellStyle();
-        LOGGER.info("date{}",date);
+        LOGGER.info("size1:{}", cellStyle.getFontIndexAsInt());
+
+        XSSFCellStyle cellStyle1 = xssfWorkbook.createCellStyle();
+        LOGGER.info("size2:{}", cellStyle1.getFontIndexAsInt());
+
+        cellStyle1.cloneStyleFrom(cellStyle);
+        LOGGER.info("size3:{}", cellStyle1.getFontIndexAsInt());
+
+        LOGGER.info("bbb:{}", cellStyle1.getFont().getXSSFColor().getIndex());
+        LOGGER.info("bbb:{}", cellStyle1.getFont().getXSSFColor().getIndexed());
+        XSSFColor myColor = new XSSFColor(cellStyle1.getFont().getXSSFColor().getRGB(), null);
+        LOGGER.info("bbb:{}", cellStyle1.getFont().getXSSFColor().getRGB());
+        LOGGER.info("bbb:{}", cellStyle1.getFont().getXSSFColor().getARGBHex());
+
+        LOGGER.info("bbb:{}", cellStyle1.getFont().getBold());
+        LOGGER.info("bbb:{}", cellStyle1.getFont().getFontName());
+
+
+        XSSFFont xssfFont = xssfWorkbook.createFont();
+
+        xssfFont.setColor(myColor);
+
+        xssfFont.setFontHeightInPoints((short)50);
+        xssfFont.setBold(Boolean.TRUE);
+        cellStyle1.setFont(xssfFont);
+        cellStyle1.setFillForegroundColor(IndexedColors.PINK.getIndex());
+
+
+        LOGGER.info("aaa:{}", cellStyle1.getFont().getColor());
+
+        row.getCell(1).setCellStyle(cellStyle1);
+        row.getCell(1).setCellValue(3334l);
+
+        XSSFCellStyle cellStyle2 = xssfWorkbook.createCellStyle();
+        cellStyle2.cloneStyleFrom(cellStyle);
+        cellStyle2.setFillForegroundColor(IndexedColors.BLUE.getIndex());
+        //cellStyle2.setFont(cellStyle1.getFont());
+        row.getCell(2).setCellStyle(cellStyle2);
+        row.getCell(2).setCellValue(3334l);
+        //LOGGER.info("date1:{}",  row.getCell(0).getStringCellValue());
+        //LOGGER.info("date2:{}", ((XSSFColor) cellStyle.getFillForegroundColorColor()).getIndex());
+        //LOGGER.info("date2:{}", ((XSSFColor) cellStyle.getFillForegroundColorColor()).isRGB());
+        //LOGGER.info("date4:{}", ((XSSFColor) cellStyle.getFillForegroundColorColor()).isIndexed());
+        //LOGGER.info("date3:{}", cellStyle.getFont().getXSSFColor().getRGB());
+        //LOGGER.info("date4:{}", cellStyle.getFont().getCTFont().getColorArray(0).getRgb());
+        FileOutputStream fileOutputStream = new FileOutputStream(file);
+        xssfWorkbook.write(fileOutputStream);
+        fileOutputStream.flush();
+        xssfWorkbook.close();
+    }
+
+
+    @Test
+    public void lastRowNumXSSFv22() throws IOException {
+
+        String file = "/Users/zhuangjiaju/test/test3 copy 2.xls";
+        HSSFWorkbook xssfWorkbook = new HSSFWorkbook(new FileInputStream(file));
+        LOGGER.info("一共:{}个sheet", xssfWorkbook.getNumberOfSheets());
+        HSSFSheet xssfSheet = xssfWorkbook.getSheetAt(0);
+        LOGGER.info("一共行数:{}", xssfSheet.getLastRowNum());
+        HSSFRow row = xssfSheet.getRow(1);
+        LOGGER.info("dd{}", row.getCell(0).getRow().getRowNum());
+        LOGGER.info("dd{}", xssfSheet.getLastRowNum());
+
+        HSSFCellStyle cellStyle = row.getCell(0).getCellStyle();
+        LOGGER.info("单元格1的字体:{}", cellStyle.getFontIndexAsInt());
+
+        HSSFCellStyle cellStyle1 = xssfWorkbook.createCellStyle();
+        LOGGER.info("size2:{}", cellStyle1.getFontIndexAsInt());
+
+        cellStyle1.cloneStyleFrom(cellStyle);
+        LOGGER.info("单元格2的字体:{}", cellStyle1.getFontIndexAsInt());
+
+        LOGGER.info("bbb:{}", cellStyle1.getFont(xssfWorkbook).getColor());
+
+
+        HSSFFont xssfFont = xssfWorkbook.createFont();
+
+        xssfFont.setColor(cellStyle1.getFont(xssfWorkbook).getColor());
+        xssfFont.setFontHeightInPoints((short)50);
+        xssfFont.setBold(Boolean.TRUE);
+        cellStyle1.setFont(xssfFont);
+        cellStyle1.setFillForegroundColor(IndexedColors.PINK.getIndex());
+
+        LOGGER.info("aaa:{}", cellStyle1.getFont(xssfWorkbook).getColor());
+
+        row.getCell(1).setCellStyle(cellStyle1);
+        row.getCell(1).setCellValue(3334l);
+
+        HSSFCellStyle cellStyle2 = xssfWorkbook.createCellStyle();
+        cellStyle2.cloneStyleFrom(cellStyle);
+        cellStyle2.setFillForegroundColor(IndexedColors.BLUE.getIndex());
+        //cellStyle2.setFont(cellStyle1.getFont());
+        row.getCell(2).setCellStyle(cellStyle2);
+        row.getCell(2).setCellValue(3334l);
+        //LOGGER.info("date1:{}",  row.getCell(0).getStringCellValue());
+        //LOGGER.info("date2:{}", ((XSSFColor) cellStyle.getFillForegroundColorColor()).getIndex());
+        //LOGGER.info("date2:{}", ((XSSFColor) cellStyle.getFillForegroundColorColor()).isRGB());
+        //LOGGER.info("date4:{}", ((XSSFColor) cellStyle.getFillForegroundColorColor()).isIndexed());
+        //LOGGER.info("date3:{}", cellStyle.getFont().getXSSFColor().getRGB());
+        //LOGGER.info("date4:{}", cellStyle.getFont().getCTFont().getColorArray(0).getRgb());
+        FileOutputStream fileOutputStream = new FileOutputStream(file);
+        xssfWorkbook.write(fileOutputStream);
+        fileOutputStream.flush();
+        xssfWorkbook.close();
     }
 
     @Test

src/test/java/com/alibaba/easyexcel/test/temp/poi/PoiWriteTest.java

@@ -1,10 +1,15 @@
 package com.alibaba.easyexcel.test.temp.poi;
 
+import java.io.BufferedInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.math.BigDecimal;
+import java.net.URL;
 import java.util.regex.Pattern;
 
+import com.alibaba.fastjson.JSON;
+
 import org.apache.poi.xssf.streaming.SXSSFCell;
 import org.apache.poi.xssf.streaming.SXSSFRow;
 import org.apache.poi.xssf.streaming.SXSSFSheet;
@@ -14,8 +19,6 @@ import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.alibaba.fastjson.JSON;
-
 /**
  * 测试poi
  *
@@ -104,4 +107,14 @@ public class PoiWriteTest {
 
     }
 
+    @Test
+    public void part4() throws IOException {
+        //URL url=new URL("http://120.55.161.4/group1/M00/00/00/i8QJ8WFfwMiAXKYrAAACqC1MFiY641.png");
+        URL url=new URL("https://img-blog.csdn.net/20160729002743309?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center");
+
+        InputStream in = new BufferedInputStream(url.openStream());
+
+
+    }
+
 }

src/test/resources/fill/simple.csv

@@ -0,0 +1,2 @@
+姓名,数字,复杂,忽略,空
+{name},{number},{name}今年{number}岁了,\{name\}忽略，{name},空{.empty}

update.md

@@ -1,3 +1,12 @@
+# 3.0.1
+* 升级到正式版
+* 修复填充样式可能丢失的问题 [Issue #2124](https://github.com/alibaba/easyexcel/issues/2124)
+* 修复填充数据为空 可能NPE的bug
+* 修复填充样式可能不生效bug
+* 修复样式可能超过最大限制的bug
+* 修复写入过慢的bug
+
+
 # 3.0.0-beta3
 
 * 修复导出浮点型数据可能精度异常的bug