Merge pull request #431 from clevertension/refactor

hudge refactor to support v2.0

src/main/java/com/alibaba/excel/EasyExcelFactory.java

@@ -27,7 +27,7 @@ public class EasyExcelFactory {
      */
     public static List<Object> read(InputStream in, Sheet sheet) {
         final List<Object> rows = new ArrayList<Object>();
-        new ExcelReader(in, null, new AnalysisEventListener() {
+        new ExcelReader(in, null, new AnalysisEventListener<Object>() {
             @Override
             public void invoke(Object object, AnalysisContext context) {
                 rows.add(object);
@@ -65,7 +65,7 @@ public class EasyExcelFactory {
     /**
      * Get ExcelWriter
      *
-     * @param outputStream the java OutputStream you wish to write the data to.
+     * @param outputStream the java OutputStream you wish to write the value to.
      * @return new ExcelWriter.
      */
     public static ExcelWriter getWriter(OutputStream outputStream) {
@@ -75,7 +75,7 @@ public class EasyExcelFactory {
     /**
      * Get ExcelWriter
      *
-     * @param outputStream the java OutputStream you wish to write the data to.
+     * @param outputStream the java OutputStream you wish to write the value to.
      * @param typeEnum     03 or 07
      * @param needHead     Do you need to write the header to the file?
      * @return new  ExcelWriter
@@ -87,9 +87,9 @@ public class EasyExcelFactory {
     /**
      * Get ExcelWriter with a template file
      *
-     * @param temp         Append data after a POI file , Can be null（the template POI filesystem that contains the
+     * @param temp         Append value after a POI file , Can be null（the template POI filesystem that contains the
      *                     Workbook stream)
-     * @param outputStream the java OutputStream you wish to write the data to
+     * @param outputStream the java OutputStream you wish to write the value to
      * @param typeEnum     03 or 07
      * @return new  ExcelWriter
      */
@@ -101,9 +101,9 @@ public class EasyExcelFactory {
     /**
      * Get ExcelWriter with a template file
      *
-     * @param temp         Append data after a POI file , Can be null（the template POI filesystem that contains the
+     * @param temp         Append value after a POI file , Can be null（the template POI filesystem that contains the
      *                     Workbook stream)
-     * @param outputStream the java OutputStream you wish to write the data to
+     * @param outputStream the java OutputStream you wish to write the value to
      * @param typeEnum     03 or 07
      * @param needHead
      * @param handler      User-defined callback

src/main/java/com/alibaba/excel/ExcelReader.java

@@ -1,17 +1,18 @@
 package com.alibaba.excel;
 
+import java.io.InputStream;
+import java.util.List;
+
 import com.alibaba.excel.analysis.ExcelAnalyser;
 import com.alibaba.excel.analysis.ExcelAnalyserImpl;
 import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.converters.Converter;
 import com.alibaba.excel.event.AnalysisEventListener;
 import com.alibaba.excel.metadata.BaseRowModel;
 import com.alibaba.excel.metadata.Sheet;
 import com.alibaba.excel.parameter.AnalysisParam;
 import com.alibaba.excel.support.ExcelTypeEnum;
 
-import java.io.InputStream;
-import java.util.List;
-
 /**
  * Excel readers are all read in event mode.
  *
@@ -29,7 +30,8 @@ public class ExcelReader {
      *
      * @param in the POI filesystem that contains the Workbook stream
      * @param excelTypeEnum 03 or 07
-     * @param customContent {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
+     * @param customContent
+     *        {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
      * @param eventListener Callback method after each row is parsed.
      */
     @Deprecated
@@ -42,12 +44,25 @@ public class ExcelReader {
      * Create new reader
      *
      * @param in the POI filesystem that contains the Workbook stream
-     * @param customContent {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
+     * @param customContent
+     *        {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
      * @param eventListener Callback method after each row is parsed
      */
-    public ExcelReader(InputStream in, Object customContent,
+    public ExcelReader(InputStream in, Object customContent, AnalysisEventListener eventListener) {
-                       AnalysisEventListener eventListener) {
+        this(in, customContent, eventListener, null, true);
-        this(in, customContent, eventListener, true);
+    }
+
+    /**
+     * Create new reader
+     *
+     * @param in the POI filesystem that contains the Workbook stream
+     * @param customContent
+     *        {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
+     * @param eventListener Callback method after each row is parsed
+     */
+    public ExcelReader(InputStream in, Object customContent, AnalysisEventListener eventListener,
+                    List<Converter> converters) {
+        this(in, customContent, eventListener, converters, true);
     }
 
     /**
@@ -66,41 +81,63 @@ public class ExcelReader {
      *
      * @param in the POI filesystem that contains the Workbook stream
      * @param excelTypeEnum 03 or 07
-     * @param customContent {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
+     * @param customContent
+     *        {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
      * @param eventListener Callback method after each row is parsed.
-     * @param trim          The content of the form is empty and needs to be empty. The purpose is to be fault-tolerant,
+     * @param trim The content of the form is empty and needs to be empty. The purpose is to be
-     *                      because there are often table contents with spaces that can not be converted into custom
+     *        fault-tolerant, because there are often table contents with spaces that can not be
-     *                      types. For example: '1234 ' contain a space cannot be converted to int.
+     *        converted into custom types. For example: '1234 ' contain a space cannot be converted
+     *        to int.
      */
     @Deprecated
     public ExcelReader(InputStream in, ExcelTypeEnum excelTypeEnum, Object customContent,
                     AnalysisEventListener eventListener, boolean trim) {
-        validateParam(in, eventListener);
+        this(in, excelTypeEnum, customContent, eventListener, null, trim);
-        analyser = new ExcelAnalyserImpl(in, excelTypeEnum, customContent, eventListener, trim);
     }
 
     /**
      * Create new reader
      *
      * @param in
-     * @param customContent {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
+     * @param customContent
+     *        {@link AnalysisEventListener#invoke(Object, AnalysisContext) }AnalysisContext
      * @param eventListener
-     * @param trim          The content of the form is empty and needs to be empty. The purpose is to be fault-tolerant,
+     * @param trim The content of the form is empty and needs to be empty. The purpose is to be
-     *                      because there are often table contents with spaces that can not be converted into custom
+     *        fault-tolerant, because there are often table contents with spaces that can not be
-     *                      types. For example: '1234 ' contain a space cannot be converted to int.
+     *        converted into custom types. For example: '1234 ' contain a space cannot be converted
+     *        to int.
      */
-    public ExcelReader(InputStream in, Object customContent,
+    public ExcelReader(InputStream in, Object customContent, AnalysisEventListener eventListener,
-                       AnalysisEventListener eventListener, boolean trim) {
+                    List<Converter> converters, boolean trim) {
-        ExcelTypeEnum excelTypeEnum = ExcelTypeEnum.valueOf(in);
+        this(in, ExcelTypeEnum.valueOf(in), customContent, eventListener, converters, trim);
+    }
+
+    public ExcelReader(InputStream in, Object excelTypeEnum, AnalysisEventListener<Object> eventListener,
+                    boolean trim) {
+        this(in, ExcelTypeEnum.valueOf(in), null, eventListener, null, trim);
+    }
+
+    public ExcelReader(InputStream in, ExcelTypeEnum excelTypeEnum, Object customContent,
+                    AnalysisEventListener eventListener, List<Converter> converters, boolean trim) {
         validateParam(in, eventListener);
         analyser = new ExcelAnalyserImpl(in, excelTypeEnum, customContent, eventListener, trim);
+        initConverters(analyser, converters);
+    }
+
+
+    private void initConverters(ExcelAnalyser analyser, List<Converter> converters) {
+        if (converters != null && converters.size() > 0) {
+            for (Converter c : converters) {
+                analyser.getAnalysisContext().getConverterRegistryCenter().register(c);
+            }
+        }
     }
 
     /**
      * Parse all sheet content by default
      */
     public void read() {
-        analyser.analysis();
+        read(null, null);;
     }
 
     /**
@@ -109,19 +146,23 @@ public class ExcelReader {
      * @param sheet Read sheet
      */
     public void read(Sheet sheet) {
-        analyser.analysis(sheet);
+        read(sheet, null);
     }
 
     /**
      * Parse the specified sheet
      *
      * @param sheet Read sheet
-     * @param clazz object parsed into each row of data
+     * @param clazz object parsed into each row of value
      */
-    @Deprecated
     public void read(Sheet sheet, Class<? extends BaseRowModel> clazz) {
+        analyser.beforeAnalysis();
+        if (sheet != null) {
             sheet.setClazz(clazz);
             analyser.analysis(sheet);
+        } else {
+            analyser.analysis();
+        }
     }
 
     /**
@@ -133,6 +174,10 @@ public class ExcelReader {
         return analyser.getSheets();
     }
 
+    public AnalysisContext getAnalysisContext() {
+        return analyser.getAnalysisContext();
+    }
+
     /**
      * validate param
      *

src/main/java/com/alibaba/excel/ExcelWriter.java

@@ -1,5 +1,18 @@
 package com.alibaba.excel;
 
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.List;
+
+import com.alibaba.excel.converters.BooleanConverter;
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.converters.ConverterRegistryCenter;
+import com.alibaba.excel.converters.DateConverter;
+import com.alibaba.excel.converters.DoubleConverter;
+import com.alibaba.excel.converters.FloatConverter;
+import com.alibaba.excel.converters.IntegerConverter;
+import com.alibaba.excel.converters.LongConverter;
+import com.alibaba.excel.converters.StringConverter;
 import com.alibaba.excel.event.WriteHandler;
 import com.alibaba.excel.metadata.BaseRowModel;
 import com.alibaba.excel.metadata.Sheet;
@@ -8,18 +21,17 @@ import com.alibaba.excel.parameter.GenerateParam;
 import com.alibaba.excel.support.ExcelTypeEnum;
 import com.alibaba.excel.write.ExcelBuilder;
 import com.alibaba.excel.write.ExcelBuilderImpl;
-
+import com.alibaba.excel.write.MergeStrategy;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.List;
 
 /**
- * Excel Writer This tool is used to write data out to Excel via POI.
+ * Excel Writer This tool is used to write value out to Excel via POI. This object can perform the
- * This object can perform the following two functions.
+ * following two functions.
+ * 
  * <pre>
- *    1. Create a new empty Excel workbook, write the data to the stream after the data is filled.
+ *    1. Create a new empty Excel workbook, write the value to the stream after the value is filled.
  *    2. Edit existing Excel, write the original Excel file, or write it to other places.}
  * </pre>
+ * 
  * @author jipengfei
  */
 public class ExcelWriter {
@@ -28,7 +40,8 @@ public class ExcelWriter {
 
     /**
      * Create new writer
-     * @param outputStream the java OutputStream you wish to write the data to
+     * 
+     * @param outputStream the java OutputStream you wish to write the value to
      * @param typeEnum 03 or 07
      */
     public ExcelWriter(OutputStream outputStream, ExcelTypeEnum typeEnum) {
@@ -43,46 +56,80 @@ public class ExcelWriter {
      */
     @Deprecated
     public ExcelWriter(GenerateParam generateParam) {
-        this(generateParam.getOutputStream(), generateParam.getType(), true);
+        this(generateParam.getOutputStream(), generateParam.getType(), generateParam.isNeedHead());
         this.objectClass = generateParam.getClazz();
     }
 
     /**
      *
      * Create new writer
-     * @param outputStream the java OutputStream you wish to write the data to
+     * 
+     * @param outputStream the java OutputStream you wish to write the value to
      * @param typeEnum 03 or 07
      * @param needHead Do you need to write the header to the file?
      */
     public ExcelWriter(OutputStream outputStream, ExcelTypeEnum typeEnum, boolean needHead) {
-        excelBuilder = new ExcelBuilderImpl(null, outputStream, typeEnum, needHead, null);
+        this(null, outputStream, typeEnum, needHead, null, null);
     }
 
     /**
      * Create new writer
-     * @param templateInputStream Append data after a POI file ,Can be null（the template POI filesystem that contains the Workbook stream)
+     * 
-     * @param outputStream the java OutputStream you wish to write the data to
+     * @param templateInputStream Append value after a POI file ,Can be null（the template POI
+     *        filesystem that contains the Workbook stream)
+     * @param outputStream the java OutputStream you wish to write the value to
      * @param typeEnum 03 or 07
      */
-    public ExcelWriter(InputStream templateInputStream, OutputStream outputStream, ExcelTypeEnum typeEnum,Boolean needHead) {
+    public ExcelWriter(InputStream templateInputStream, OutputStream outputStream, ExcelTypeEnum typeEnum,
-        excelBuilder = new ExcelBuilderImpl(templateInputStream,outputStream, typeEnum, needHead, null);
+                    Boolean needHead) {
+        this(templateInputStream, outputStream, typeEnum, needHead, null, null);
     }
 
 
     /**
      * Create new writer
-     * @param templateInputStream Append data after a POI file ,Can be null（the template POI filesystem that contains the Workbook stream)
+     * 
-     * @param outputStream the java OutputStream you wish to write the data to
+     * @param templateInputStream Append value after a POI file ,Can be null（the template POI
+     *        filesystem that contains the Workbook stream)
+     * @param outputStream the java OutputStream you wish to write the value to
      * @param typeEnum 03 or 07
      * @param writeHandler User-defined callback
      */
-    public ExcelWriter(InputStream templateInputStream, OutputStream outputStream, ExcelTypeEnum typeEnum, Boolean needHead,
+    public ExcelWriter(InputStream templateInputStream, OutputStream outputStream, ExcelTypeEnum typeEnum,
-                       WriteHandler writeHandler) {
+                    Boolean needHead, WriteHandler writeHandler) {
-        excelBuilder = new ExcelBuilderImpl(templateInputStream,outputStream, typeEnum, needHead,writeHandler);
+        this(templateInputStream, outputStream, typeEnum, needHead, writeHandler, null);
     }
 
+    public ExcelWriter(InputStream templateInputStream, OutputStream outputStream, ExcelTypeEnum typeEnum,
+                    Boolean needHead, WriteHandler writeHandler, List<Converter> converters) {
+        excelBuilder = new ExcelBuilderImpl(templateInputStream, outputStream, typeEnum, needHead, writeHandler,
+                        converters);
+        if (this.excelBuilder instanceof ConverterRegistryCenter) {
+            ConverterRegistryCenter registryCenter = (ConverterRegistryCenter)this.excelBuilder;
+            initConverters(registryCenter, converters);
+        }
+    }
+
+    private void initConverters(ConverterRegistryCenter registryCenter, List<Converter> converters) {
+        registerDefaultConverters(registryCenter);
+        if (converters != null && converters.size() > 0) {
+            for (Converter c : converters) {
+                registryCenter.register(c);
+            }
+        }
+    }
+    private void registerDefaultConverters(ConverterRegistryCenter registryCenter) {
+        registryCenter.register(new StringConverter());
+        registryCenter.register(new DateConverter(null));
+        registryCenter.register(new IntegerConverter());
+        registryCenter.register(new DoubleConverter());
+        registryCenter.register(new LongConverter());
+        registryCenter.register(new FloatConverter());
+        registryCenter.register(new BooleanConverter());
+    }
     /**
-     * Write data to a sheet
+     * Write value to a sheet
+     * 
      * @param data Data to be written
      * @param sheet Write to this sheet
      * @return this current writer
@@ -94,7 +141,8 @@ public class ExcelWriter {
 
 
     /**
-     * Write data to a sheet
+     * Write value to a sheet
+     * 
      * @param data Data to be written
      * @return this current writer
      */
@@ -110,7 +158,8 @@ public class ExcelWriter {
 
     /**
      *
-     * Write data to a sheet
+     * Write value to a sheet
+     * 
      * @param data Data to be written
      * @param sheet Write to this sheet
      * @return this
@@ -121,7 +170,8 @@ public class ExcelWriter {
     }
 
     /**
-     * Write data to a sheet
+     * Write value to a sheet
+     * 
      * @param data Data to be written
      * @param sheet Write to this sheet
      * @return this
@@ -132,7 +182,8 @@ public class ExcelWriter {
     }
 
     /**
-     * Write data to a sheet
+     * Write value to a sheet
+     * 
      * @param data Data to be written
      * @param sheet Write to this sheet
      * @param table Write to this table
@@ -144,7 +195,8 @@ public class ExcelWriter {
     }
 
     /**
-     * Write data to a sheet
+     * Write value to a sheet
+     * 
      * @param data Data to be written
      * @param sheet Write to this sheet
      * @param table Write to this table
@@ -158,18 +210,16 @@ public class ExcelWriter {
     /**
      * Merge Cells，Indexes are zero-based.
      *
-     * @param firstRow Index of first row
+     * @param strategies the merge strategies.
-     * @param lastRow Index of last row (inclusive), must be equal to or larger than {@code firstRow}
-     * @param firstCol Index of first column
-     * @param lastCol Index of last column (inclusive), must be equal to or larger than {@code firstCol}
      */
-    public ExcelWriter merge(int firstRow, int lastRow, int firstCol, int lastCol){
+    public ExcelWriter merge(List<MergeStrategy> strategies) {
-        excelBuilder.merge(firstRow,lastRow,firstCol,lastCol);
+        excelBuilder.merge(strategies);
         return this;
     }
 
     /**
-     * Write data to a sheet
+     * Write value to a sheet
+     * 
      * @param data Data to be written
      * @param sheet Write to this sheet
      * @param table Write to this table

src/main/java/com/alibaba/excel/analysis/BaseSaxAnalyser.java

@@ -1,41 +1,85 @@
 package com.alibaba.excel.analysis;
 
-import com.alibaba.excel.context.AnalysisContext;
-import com.alibaba.excel.event.AnalysisEventListener;
-import com.alibaba.excel.event.AnalysisEventRegisterCenter;
-import com.alibaba.excel.event.OneRowAnalysisFinishEvent;
-import com.alibaba.excel.metadata.Sheet;
-import com.alibaba.excel.util.TypeUtil;
-
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.List;
-import java.util.Map;
+import java.util.Map.Entry;
+
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.converters.BooleanConverter;
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.converters.ConverterRegistryCenter;
+import com.alibaba.excel.converters.DateConverter;
+import com.alibaba.excel.converters.DoubleConverter;
+import com.alibaba.excel.converters.FloatConverter;
+import com.alibaba.excel.converters.IntegerConverter;
+import com.alibaba.excel.converters.LongConverter;
+import com.alibaba.excel.converters.StringConverter;
+import com.alibaba.excel.event.AnalysisEventListener;
+import com.alibaba.excel.event.AnalysisEventRegistryCenter;
+import com.alibaba.excel.event.AnalysisFinishEvent;
+import com.alibaba.excel.metadata.BaseRowModel;
+import com.alibaba.excel.metadata.ExcelHeadProperty;
+import com.alibaba.excel.metadata.Sheet;
 
 /**
  * @author jipengfei
  */
-public abstract class BaseSaxAnalyser implements AnalysisEventRegisterCenter, ExcelAnalyser {
+public abstract class BaseSaxAnalyser implements ConverterRegistryCenter, AnalysisEventRegistryCenter, ExcelAnalyser {
 
     protected AnalysisContext analysisContext;
 
-    private LinkedHashMap<String, AnalysisEventListener> listeners = new LinkedHashMap<String, AnalysisEventListener>();
+    private LinkedHashMap<String, AnalysisEventListener<Object>> listeners =
+                    new LinkedHashMap<String, AnalysisEventListener<Object>>();
 
+    private LinkedHashMap<String, Converter> converters = new LinkedHashMap<String, Converter>();
     /**
      * execute method
      */
     protected abstract void execute();
 
-
     @Override
-    public void appendLister(String name, AnalysisEventListener listener) {
+    public void register(String name, AnalysisEventListener<Object> listener) {
         if (!listeners.containsKey(name)) {
             listeners.put(name, listener);
         }
     }
 
+    @Override
+    public void register(Converter converter) {
+        converters.put(converter.getName(), converter);
+    }
+    
+    @Override
+    public void beforeAnalysis() {
+        registerDefaultConverters();
+    }
+    
+    private void registerDefaultConverters() {
+        StringConverter s = new StringConverter();
+        converters.put(s.getName(), s);
+        DateConverter d = new DateConverter(this.analysisContext);
+        converters.put(d.getName(), d);
+        IntegerConverter i = new IntegerConverter();
+        converters.put(i.getName(), i);
+        DoubleConverter dc = new DoubleConverter();
+        converters.put(dc.getName(), dc);
+        LongConverter l = new LongConverter();
+        converters.put(l.getName(), l);
+        FloatConverter f = new FloatConverter();
+        converters.put(f.getName(), f);
+        BooleanConverter b = new BooleanConverter();
+        converters.put(b.getName(), b);
+    }
+
+    @Override
+    public Collection<Converter> getConverters() {
+        return converters.values();
+    }
     @Override
     public void analysis(Sheet sheetParam) {
+        analysisContext.setCurrentSheet(sheetParam);
         execute();
     }
 
@@ -44,44 +88,42 @@ public abstract class BaseSaxAnalyser implements AnalysisEventRegisterCenter, Ex
         execute();
     }
 
+    @Override
+    public AnalysisContext getAnalysisContext() {
+        return analysisContext;
+    }
     /**
      */
     @Override
     public void cleanAllListeners() {
-        listeners = new LinkedHashMap<String, AnalysisEventListener>();
+        listeners.clear();
     }
 
     @Override
-    public void notifyListeners(OneRowAnalysisFinishEvent event) {
+    public void cleanListener(String name) {
-        analysisContext.setCurrentRowAnalysisResult(event.getData());
+        listeners.remove(name);
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void notify(AnalysisFinishEvent event) {
+        analysisContext.setCurrentRowAnalysisResult(event.getAnalysisResult());
         /** Parsing header content **/
         if (analysisContext.getCurrentRowNum() < analysisContext.getCurrentSheet().getHeadLineMun()) {
             if (analysisContext.getCurrentRowNum() <= analysisContext.getCurrentSheet().getHeadLineMun() - 1) {
-                analysisContext.buildExcelHeadProperty(null,
+                buildExcelHeadProperty(null, (List<String>) analysisContext.getCurrentRowAnalysisResult());
-                    (List<String>)analysisContext.getCurrentRowAnalysisResult());
             }
         } else {
-            List<String> content = converter((List<String>)event.getData());
+            for (Entry<String, AnalysisEventListener<Object>> entry : listeners.entrySet()) {
-            /** Parsing Analyze the body content **/
-            analysisContext.setCurrentRowAnalysisResult(content);
-            if (listeners.size() == 1) {
-                analysisContext.setCurrentRowAnalysisResult(content);
-            }
-            /**  notify all event listeners **/
-            for (Map.Entry<String, AnalysisEventListener> entry : listeners.entrySet()) {
                 entry.getValue().invoke(analysisContext.getCurrentRowAnalysisResult(), analysisContext);
             }
         }
     }
 
-    private List<String> converter(List<String> data) {
-        List<String> list = new ArrayList<String>();
-        if (data != null) {
-            for (String str : data) {
-                list.add(TypeUtil.formatFloat(str));
-            }
-        }
-        return list;
-    }
 
+    private void buildExcelHeadProperty(Class<? extends BaseRowModel> clazz, List<String> headOneRow) {
+        ExcelHeadProperty excelHeadProperty = ExcelHeadProperty
+                        .buildExcelHeadProperty(this.analysisContext.getExcelHeadProperty(), clazz, headOneRow);
+        this.analysisContext.setExcelHeadProperty(excelHeadProperty);
+    }
 }

src/main/java/com/alibaba/excel/analysis/ExcelAnalyser.java

@@ -1,9 +1,10 @@
 package com.alibaba.excel.analysis;
 
-import com.alibaba.excel.metadata.Sheet;
-
 import java.util.List;
 
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.metadata.Sheet;
+
 /**
  * Excel file analyser
  *
@@ -11,6 +12,8 @@ import java.util.List;
  */
 public interface ExcelAnalyser {
     
+    void beforeAnalysis();
+    
     /**
      * parse one sheet
      *
@@ -30,4 +33,10 @@ public interface ExcelAnalyser {
      */
     List<Sheet> getSheets();
     
+    /**
+     * get the analysis context.
+     * @return analysis context
+     */
+    AnalysisContext getAnalysisContext();
+
 }

src/main/java/com/alibaba/excel/analysis/ExcelAnalyserImpl.java

@@ -1,18 +1,21 @@
 package com.alibaba.excel.analysis;
 
+import java.io.InputStream;
+import java.util.Collection;
+import java.util.List;
+
 import com.alibaba.excel.analysis.v03.XlsSaxAnalyser;
 import com.alibaba.excel.analysis.v07.XlsxSaxAnalyser;
 import com.alibaba.excel.context.AnalysisContext;
 import com.alibaba.excel.context.AnalysisContextImpl;
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.converters.ConverterRegistryCenter;
 import com.alibaba.excel.event.AnalysisEventListener;
 import com.alibaba.excel.exception.ExcelAnalysisException;
 import com.alibaba.excel.metadata.Sheet;
-import com.alibaba.excel.modelbuild.ModelBuildEventListener;
+import com.alibaba.excel.event.ModelBuildEventListener;
 import com.alibaba.excel.support.ExcelTypeEnum;
 
-import java.io.InputStream;
-import java.util.List;
-
 /**
  * @author jipengfei
  */
@@ -23,9 +26,21 @@ public class ExcelAnalyserImpl implements ExcelAnalyser {
     private BaseSaxAnalyser saxAnalyser;
 
     public ExcelAnalyserImpl(InputStream inputStream, ExcelTypeEnum excelTypeEnum, Object custom,
-                             AnalysisEventListener eventListener, boolean trim) {
+                             AnalysisEventListener<Object> eventListener, boolean trim) {
+        ConverterRegistryCenter center = new ConverterRegistryCenter() {
+            @Override
+            public void register(Converter converter) {
+                saxAnalyser.register(converter);
+            }
+
+            @Override
+            public Collection<Converter> getConverters() {
+                return saxAnalyser.getConverters();
+            }
+        };
         analysisContext = new AnalysisContextImpl(inputStream, excelTypeEnum, custom,
-            eventListener, trim);
+            eventListener, center, trim);
+        this.saxAnalyser = getSaxAnalyser();
     }
 
     private BaseSaxAnalyser getSaxAnalyser() {
@@ -66,30 +81,34 @@ public class ExcelAnalyserImpl implements ExcelAnalyser {
         analysisContext.setCurrentSheet(sheetParam);
         analysis();
     }
-
+    @Override
+    public AnalysisContext getAnalysisContext() {
+        return analysisContext;
+    }
     @Override
     public void analysis() {
-        BaseSaxAnalyser saxAnalyser = getSaxAnalyser();
-        appendListeners(saxAnalyser);
         saxAnalyser.execute();
         analysisContext.getEventListener().doAfterAllAnalysed(analysisContext);
     }
 
     @Override
     public List<Sheet> getSheets() {
-        BaseSaxAnalyser saxAnalyser = getSaxAnalyser();
+        return this.saxAnalyser.getSheets();
-        saxAnalyser.cleanAllListeners();
-        return saxAnalyser.getSheets();
     }
 
-    private void appendListeners(BaseSaxAnalyser saxAnalyser) {
+    private void registerListeners(BaseSaxAnalyser saxAnalyser) {
         saxAnalyser.cleanAllListeners();
         if (analysisContext.getCurrentSheet() != null && analysisContext.getCurrentSheet().getClazz() != null) {
-            saxAnalyser.appendLister("model_build_listener", new ModelBuildEventListener());
+            saxAnalyser.register("model_build_listener", new ModelBuildEventListener(this.saxAnalyser.getConverters()));
         }
         if (analysisContext.getEventListener() != null) {
-            saxAnalyser.appendLister("user_define_listener", analysisContext.getEventListener());
+            saxAnalyser.register("user_define_listener", analysisContext.getEventListener());
         }
     }
 
+    @Override
+    public void beforeAnalysis() {
+        BaseSaxAnalyser saxAnalyser = getSaxAnalyser();
+        registerListeners(saxAnalyser);
+    }
 }

src/main/java/com/alibaba/excel/analysis/v03/AbstractXlsRecordHandler.java

@@ -0,0 +1,27 @@
+package com.alibaba.excel.analysis.v03;
+
+public abstract class AbstractXlsRecordHandler implements XlsRecordHandler {
+    protected int row = -1;
+    protected int column = -1;
+    protected String value = null;
+
+    @Override
+    public int getRow() {
+        return row;
+    }
+
+    @Override
+    public int getColumn() {
+        return column;
+    }
+
+    @Override
+    public String getValue() {
+        return value;
+    }
+
+    @Override
+    public int compareTo(XlsRecordHandler o) {
+        return this.getOrder() - o.getOrder();
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/XlsRecordHandler.java

@@ -0,0 +1,13 @@
+package com.alibaba.excel.analysis.v03;
+
+import org.apache.poi.hssf.record.Record;
+
+public interface XlsRecordHandler extends Comparable<XlsRecordHandler> {
+    boolean support(Record record);
+    void init();
+    void processRecord(Record record);
+    int getRow();
+    int getColumn();
+    String getValue();
+    int getOrder();
+}

src/main/java/com/alibaba/excel/analysis/v03/XlsSaxAnalyser.java

@@ -1,20 +1,21 @@
 package com.alibaba.excel.analysis.v03;
 
 import com.alibaba.excel.analysis.BaseSaxAnalyser;
+import com.alibaba.excel.analysis.v03.handlers.*;
 import com.alibaba.excel.context.AnalysisContext;
-import com.alibaba.excel.event.OneRowAnalysisFinishEvent;
+import com.alibaba.excel.event.EachRowAnalysisFinishEvent;
 import com.alibaba.excel.exception.ExcelAnalysisException;
 import com.alibaba.excel.metadata.Sheet;
+import com.alibaba.excel.util.CollectionUtils;
 import org.apache.poi.hssf.eventusermodel.*;
 import org.apache.poi.hssf.eventusermodel.dummyrecord.LastCellOfRowDummyRecord;
-import org.apache.poi.hssf.eventusermodel.dummyrecord.MissingCellDummyRecord;
-import org.apache.poi.hssf.model.HSSFFormulaParser;
 import org.apache.poi.hssf.record.*;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.poifs.filesystem.POIFSFileSystem;
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -26,15 +27,23 @@ import java.util.List;
  * @author jipengfei
  */
 public class XlsSaxAnalyser extends BaseSaxAnalyser implements HSSFListener {
-
+    private boolean outputFormulaValues = true;
-    private boolean analyAllSheet = false;
+    private POIFSFileSystem fs;
-
+    private int lastRowNumber;
+    private int lastColumnNumber;
+    /**
+     * For parsing Formulas
+     */
+    private EventWorkbookBuilder.SheetRecordCollectingListener workbookBuildingListener;
+    private FormatTrackingHSSFListener formatListener;
+    private List<String> records;
+    private boolean notAllEmpty = false;
+    private List<Sheet> sheets = new ArrayList<Sheet>();
+    private HSSFWorkbook stubWorkbook;
+    private List<XlsRecordHandler> recordHandlers = new ArrayList<XlsRecordHandler>();
     public XlsSaxAnalyser(AnalysisContext context) throws IOException {
         this.analysisContext = context;
         this.records = new ArrayList<String>();
-        if (analysisContext.getCurrentSheet() == null) {
-            this.analyAllSheet = true;
-        }
         context.setCurrentRowNum(0);
         this.fs = new POIFSFileSystem(analysisContext.getInputStream());
 
@@ -42,23 +51,25 @@ public class XlsSaxAnalyser extends BaseSaxAnalyser implements HSSFListener {
 
     @Override
     public List<Sheet> getSheets() {
-        execute();
         return sheets;
     }
 
     @Override
     public void execute() {
-        init();
         MissingRecordAwareHSSFListener listener = new MissingRecordAwareHSSFListener(this);
         formatListener = new FormatTrackingHSSFListener(listener);
+        workbookBuildingListener = new EventWorkbookBuilder.SheetRecordCollectingListener(formatListener);
+        if (workbookBuildingListener != null && stubWorkbook == null) {
+            stubWorkbook = workbookBuildingListener.getStubHSSFWorkbook();
+        }
+
+        init();
 
         HSSFEventFactory factory = new HSSFEventFactory();
         HSSFRequest request = new HSSFRequest();
-
         if (outputFormulaValues) {
             request.addListenerForAllRecords(formatListener);
         } else {
-            workbookBuildingListener = new EventWorkbookBuilder.SheetRecordCollectingListener(formatListener);
             request.addListenerForAllRecords(workbookBuildingListener);
         }
 
@@ -72,223 +83,42 @@ public class XlsSaxAnalyser extends BaseSaxAnalyser implements HSSFListener {
     private void init() {
         lastRowNumber = 0;
         lastColumnNumber = 0;
-        nextRow = 0;
-
-        nextColumn = 0;
-
-        sheetIndex = 0;
-
         records = new ArrayList<String>();
-
         notAllEmpty = false;
-
-        orderedBSRs = null;
-
-        boundSheetRecords = new ArrayList<BoundSheetRecord>();
-
         sheets = new ArrayList<Sheet>();
-        if (analysisContext.getCurrentSheet() == null) {
+        buildXlsRecordHandlers();
-            this.analyAllSheet = true;
-        } else {
-            this.analyAllSheet = false;
     }
-    }
-
-    private POIFSFileSystem fs;
-
-    private int lastRowNumber;
-    private int lastColumnNumber;
-
-    /**
-     * Should we output the formula, or the value it has?
-     */
-    private boolean outputFormulaValues = true;
-
-    /**
-     * For parsing Formulas
-     */
-    private EventWorkbookBuilder.SheetRecordCollectingListener workbookBuildingListener;
-    private HSSFWorkbook stubWorkbook;
-    private SSTRecord sstRecord;
-    private FormatTrackingHSSFListener formatListener;
-
-    /**
-     * So we known which sheet we're on
-     */
-
-    private int nextRow;
-    private int nextColumn;
-    private boolean outputNextStringRecord;
-
-    /**
-     * Main HSSFListener method, processes events, and outputs the CSV as the file is processed.
-     */
-
-    private int sheetIndex;
-
-    private List<String> records;
-
-    private boolean notAllEmpty = false;
-
-    private BoundSheetRecord[] orderedBSRs;
-
-    private List<BoundSheetRecord> boundSheetRecords = new ArrayList<BoundSheetRecord>();
-
-    private List<Sheet> sheets = new ArrayList<Sheet>();
 
     public void processRecord(Record record) {
         int thisRow = -1;
         int thisColumn = -1;
         String thisStr = null;
-
+        for(XlsRecordHandler handler : this.recordHandlers) {
-        switch (record.getSid()) {
+            if (handler.support(record)) {
-            case BoundSheetRecord.sid:
+                handler.processRecord(record);
-                boundSheetRecords.add((BoundSheetRecord)record);
+                thisRow = handler.getRow();
-                break;
+                thisColumn = handler.getColumn();
-            case BOFRecord.sid:
+                thisStr = handler.getValue();
-                BOFRecord br = (BOFRecord)record;
-                if (br.getType() == BOFRecord.TYPE_WORKSHEET) {
-                    // Create sub workbook if required
-                    if (workbookBuildingListener != null && stubWorkbook == null) {
-                        stubWorkbook = workbookBuildingListener.getStubHSSFWorkbook();
-                    }
-
-                    if (orderedBSRs == null) {
-                        orderedBSRs = BoundSheetRecord.orderByBofPosition(boundSheetRecords);
-                    }
-                    sheetIndex++;
-
-                    Sheet sheet = new Sheet(sheetIndex, 0);
-                    sheet.setSheetName(orderedBSRs[sheetIndex - 1].getSheetname());
-                    sheets.add(sheet);
-                    if (this.analyAllSheet) {
-                        analysisContext.setCurrentSheet(sheet);
-                    }
-                }
-                break;
-
-            case SSTRecord.sid:
-                sstRecord = (SSTRecord)record;
-                break;
-
-            case BlankRecord.sid:
-                BlankRecord brec = (BlankRecord)record;
-
-                thisRow = brec.getRow();
-                thisColumn = brec.getColumn();
-                thisStr = "";
-                break;
-            case BoolErrRecord.sid:
-                BoolErrRecord berec = (BoolErrRecord)record;
-
-                thisRow = berec.getRow();
-                thisColumn = berec.getColumn();
-                thisStr = "";
-                break;
-
-            case FormulaRecord.sid:
-                FormulaRecord frec = (FormulaRecord)record;
-
-                thisRow = frec.getRow();
-                thisColumn = frec.getColumn();
-
-                if (outputFormulaValues) {
-                    if (Double.isNaN(frec.getValue())) {
-                        // Formula result is a string
-                        // This is stored in the next record
-                        outputNextStringRecord = true;
-                        nextRow = frec.getRow();
-                        nextColumn = frec.getColumn();
-                    } else {
-                        thisStr = formatListener.formatNumberDateCell(frec);
-                    }
-                } else {
-                    thisStr = HSSFFormulaParser.toFormulaString(stubWorkbook, frec.getParsedExpression());
-                }
-                break;
-            case StringRecord.sid:
-                if (outputNextStringRecord) {
-                    // String for formula
-                    StringRecord srec = (StringRecord)record;
-                    thisStr = srec.getString();
-                    thisRow = nextRow;
-                    thisColumn = nextColumn;
-                    outputNextStringRecord = false;
-                }
-                break;
-
-            case LabelRecord.sid:
-                LabelRecord lrec = (LabelRecord)record;
-
-                thisRow = lrec.getRow();
-                thisColumn = lrec.getColumn();
-                thisStr = lrec.getValue();
                 break;
-            case LabelSSTRecord.sid:
-                LabelSSTRecord lsrec = (LabelSSTRecord)record;
-
-                thisRow = lsrec.getRow();
-                thisColumn = lsrec.getColumn();
-                if (sstRecord == null) {
-                    thisStr = "";
-                } else {
-                    thisStr = sstRecord.getString(lsrec.getSSTIndex()).toString();
-                }
-                break;
-            case NoteRecord.sid:
-                NoteRecord nrec = (NoteRecord)record;
-
-                thisRow = nrec.getRow();
-                thisColumn = nrec.getColumn();
-                // TODO: Find object to match nrec.getShapeId()
-                thisStr = "(TODO)";
-                break;
-            case NumberRecord.sid:
-                NumberRecord numrec = (NumberRecord)record;
-
-                thisRow = numrec.getRow();
-                thisColumn = numrec.getColumn();
-
-                // Format
-                thisStr = formatListener.formatNumberDateCell(numrec);
-                break;
-            case RKRecord.sid:
-                RKRecord rkrec = (RKRecord)record;
-
-                thisRow = rkrec.getRow();
-                thisColumn = rkrec.getColumn();
-                thisStr = "";
-                break;
-            default:
-                break;
-        }
-
-        // Handle new row
-        if (thisRow != -1 && thisRow != lastRowNumber) {
-            lastColumnNumber = -1;
             }
-
-        // Handle missing column
-        if (record instanceof MissingCellDummyRecord) {
-            MissingCellDummyRecord mc = (MissingCellDummyRecord)record;
-            thisRow = mc.getRow();
-            thisColumn = mc.getColumn();
-            thisStr = "";
         }
 
         // If we got something to print out, do so
         if (thisStr != null) {
-
             if (analysisContext.trim()) {
                 thisStr = thisStr.trim();
             }
             if (!"".equals(thisStr)) {
                 notAllEmpty = true;
             }
-            //            }
             records.add(thisStr);
         }
 
+        // Handle new row
+        if (thisRow != -1 && thisRow != lastRowNumber) {
+            lastColumnNumber = -1;
+        }
+
         // Update column and row count
         if (thisRow > -1) {
             lastRowNumber = thisRow;
@@ -297,22 +127,43 @@ public class XlsSaxAnalyser extends BaseSaxAnalyser implements HSSFListener {
             lastColumnNumber = thisColumn;
         }
 
+        processLastCellOfRow(record);
+    }
+
+    private void processLastCellOfRow(Record record) {
         // Handle end of row
         if (record instanceof LastCellOfRowDummyRecord) {
-            thisRow = ((LastCellOfRowDummyRecord)record).getRow();
+            int row = ((LastCellOfRowDummyRecord)record).getRow();
 
             if (lastColumnNumber == -1) {
                 lastColumnNumber = 0;
             }
-            analysisContext.setCurrentRowNum(thisRow);
+            analysisContext.setCurrentRowNum(row);
-            Sheet sheet = analysisContext.getCurrentSheet();
+            if (notAllEmpty) {
-
+                notify(new EachRowAnalysisFinishEvent(new ArrayList<String>(records)));
-            if ((sheet == null || sheet.getSheetNo() == sheetIndex) && notAllEmpty) {
-                notifyListeners(new OneRowAnalysisFinishEvent(records));
             }
             records.clear();
             lastColumnNumber = -1;
             notAllEmpty = false;
         }
     }
+
+    private void buildXlsRecordHandlers() {
+        if (CollectionUtils.isEmpty(recordHandlers)) {
+            recordHandlers.add(new BlankOrErrorRecordHandler());
+            recordHandlers.add(new BOFRecordHandler(workbookBuildingListener, analysisContext, sheets));
+            recordHandlers.add(new FormulaRecordHandler(stubWorkbook, formatListener));
+            recordHandlers.add(new LabelRecordHandler());
+            recordHandlers.add(new NoteRecordHandler());
+            recordHandlers.add(new NumberRecordHandler(formatListener));
+            recordHandlers.add(new RKRecordHandler());
+            recordHandlers.add(new SSTRecordHandler());
+            recordHandlers.add(new MissingCellDummyRecordHandler());
+            Collections.sort(recordHandlers);
+        }
+
+        for(XlsRecordHandler x : recordHandlers) {
+            x.init();
+        }
+    }
 }

src/main/java/com/alibaba/excel/analysis/v03/handlers/BOFRecordHandler.java

@@ -0,0 +1,71 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import com.alibaba.excel.analysis.v03.XlsRecordHandler;
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.metadata.Sheet;
+import org.apache.poi.hssf.eventusermodel.EventWorkbookBuilder;
+import org.apache.poi.hssf.record.BOFRecord;
+import org.apache.poi.hssf.record.BoundSheetRecord;
+import org.apache.poi.hssf.record.Record;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BOFRecordHandler extends AbstractXlsRecordHandler {
+    private List<BoundSheetRecord> boundSheetRecords = new ArrayList<BoundSheetRecord>();
+    private BoundSheetRecord[] orderedBSRs;
+    private int sheetIndex;
+    private List<Sheet> sheets;
+    private AnalysisContext context;
+    private boolean analyAllSheet;
+    private EventWorkbookBuilder.SheetRecordCollectingListener workbookBuildingListener;
+    public BOFRecordHandler(EventWorkbookBuilder.SheetRecordCollectingListener workbookBuildingListener, AnalysisContext context, List<Sheet> sheets) {
+        this.context = context;
+        this.workbookBuildingListener = workbookBuildingListener;
+        this.sheets = sheets;
+    }
+    @Override
+    public boolean support(Record record) {
+        return BoundSheetRecord.sid == record.getSid() || BOFRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        if (record.getSid() == BoundSheetRecord.sid) {
+            boundSheetRecords.add((BoundSheetRecord)record);
+        } else if (record.getSid() == BOFRecord.sid) {
+            BOFRecord br = (BOFRecord)record;
+            if (br.getType() == BOFRecord.TYPE_WORKSHEET) {
+                if (orderedBSRs == null) {
+                    orderedBSRs = BoundSheetRecord.orderByBofPosition(boundSheetRecords);
+                }
+                sheetIndex++;
+
+                Sheet sheet = new Sheet(sheetIndex, 0);
+                sheet.setSheetName(orderedBSRs[sheetIndex - 1].getSheetname());
+                sheets.add(sheet);
+                if (this.analyAllSheet) {
+                    context.setCurrentSheet(sheet);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void init() {
+        if (context.getCurrentSheet() == null) {
+            this.analyAllSheet = true;
+        }
+        sheetIndex = 0;
+        orderedBSRs = null;
+        boundSheetRecords.clear();
+        sheets.clear();
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/BlankOrErrorRecordHandler.java

@@ -0,0 +1,37 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.record.*;
+
+public class BlankOrErrorRecordHandler extends AbstractXlsRecordHandler {
+
+    @Override
+    public boolean support(Record record) {
+        return BlankRecord.sid == record.getSid() || BoolErrRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        if (record.getSid() == BlankRecord.sid) {
+            BlankRecord br = (BlankRecord)record;
+            this.row = br.getRow();
+            this.column = br.getColumn();
+            this.value = "";
+        } else if (record.getSid() == BoolErrRecord.sid) {
+            BoolErrRecord ber = (BoolErrRecord)record;
+            this.row = ber.getRow();
+            this.column = ber.getColumn();
+            this.value = "";
+        }
+    }
+
+    @Override
+    public void init() {
+
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/FormulaRecordHandler.java

@@ -0,0 +1,71 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.eventusermodel.FormatTrackingHSSFListener;
+import org.apache.poi.hssf.model.HSSFFormulaParser;
+import org.apache.poi.hssf.record.*;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+
+public class FormulaRecordHandler extends AbstractXlsRecordHandler {
+    private int nextRow;
+    private int nextColumn;
+    /**
+     * Should we output the formula, or the value it has?
+     */
+    private boolean outputFormulaValues = true;
+    private boolean outputNextStringRecord;
+    private FormatTrackingHSSFListener formatListener;
+    private HSSFWorkbook stubWorkbook;
+    public FormulaRecordHandler(HSSFWorkbook stubWorkbook, FormatTrackingHSSFListener formatListener) {
+        this.stubWorkbook = stubWorkbook;
+        this.formatListener = formatListener;
+    }
+    @Override
+    public boolean support(Record record) {
+        return FormulaRecord.sid == record.getSid() || StringRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        if (record.getSid() == FormulaRecord.sid) {
+            FormulaRecord frec = (FormulaRecord)record;
+
+            this.row = frec.getRow();
+            this.column = frec.getColumn();
+
+            if (outputFormulaValues) {
+                if (Double.isNaN(frec.getValue())) {
+                    // Formula result is a string
+                    // This is stored in the next record
+                    outputNextStringRecord = true;
+                    nextRow = frec.getRow();
+                    nextColumn = frec.getColumn();
+                } else {
+                    this.value = formatListener.formatNumberDateCell(frec);
+                }
+            } else {
+                this.value = HSSFFormulaParser.toFormulaString(stubWorkbook, frec.getParsedExpression());
+            }
+        } else if (record.getSid() == StringRecord.sid) {
+            if (outputNextStringRecord) {
+                // String for formula
+                StringRecord srec = (StringRecord)record;
+                this.value = srec.getString();
+                this.row = nextRow;
+                this.column = nextColumn;
+                outputNextStringRecord = false;
+            }
+        }
+    }
+
+    @Override
+    public void init() {
+        this.nextRow = 0;
+        this.nextColumn = 0;
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/LabelRecordHandler.java

@@ -0,0 +1,30 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.record.LabelRecord;
+import org.apache.poi.hssf.record.Record;
+
+public class LabelRecordHandler extends AbstractXlsRecordHandler {
+    @Override
+    public boolean support(Record record) {
+        return LabelRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        LabelRecord lrec = (LabelRecord)record;
+        this.row = lrec.getRow();
+        this.column = lrec.getColumn();
+        this.value = lrec.getValue();
+    }
+
+    @Override
+    public void init() {
+
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/MissingCellDummyRecordHandler.java

@@ -0,0 +1,30 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.eventusermodel.dummyrecord.MissingCellDummyRecord;
+import org.apache.poi.hssf.record.Record;
+
+public class MissingCellDummyRecordHandler extends AbstractXlsRecordHandler {
+    @Override
+    public boolean support(Record record) {
+        return record instanceof MissingCellDummyRecord;
+    }
+
+    @Override
+    public void init() {
+
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        MissingCellDummyRecord mcdr = (MissingCellDummyRecord)record;
+        this.row = mcdr.getRow();
+        this.column = mcdr.getColumn();
+        this.value = "";
+    }
+
+    @Override
+    public int getOrder() {
+        return 1;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/NoteRecordHandler.java

@@ -0,0 +1,32 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.record.NoteRecord;
+import org.apache.poi.hssf.record.Record;
+
+public class NoteRecordHandler extends AbstractXlsRecordHandler {
+    @Override
+    public boolean support(Record record) {
+        return NoteRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        NoteRecord nrec = (NoteRecord)record;
+
+        this.row = nrec.getRow();
+        this.column = nrec.getColumn();
+        // TODO: Find object to match nrec.getShapeId()
+        this.value = "(TODO)";
+    }
+
+    @Override
+    public void init() {
+
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/NumberRecordHandler.java

@@ -0,0 +1,36 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.eventusermodel.FormatTrackingHSSFListener;
+import org.apache.poi.hssf.record.NumberRecord;
+import org.apache.poi.hssf.record.Record;
+
+public class NumberRecordHandler extends AbstractXlsRecordHandler {
+    private FormatTrackingHSSFListener formatListener;
+    public NumberRecordHandler(FormatTrackingHSSFListener formatListener) {
+        this.formatListener = formatListener;
+    }
+    @Override
+    public boolean support(Record record) {
+        return NumberRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        NumberRecord numrec = (NumberRecord)record;
+        this.row = numrec.getRow();
+        this.column = numrec.getColumn();
+        // Format
+        this.value = formatListener.formatNumberDateCell(numrec);
+    }
+
+    @Override
+    public void init() {
+
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/RKRecordHandler.java

@@ -0,0 +1,31 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.record.RKRecord;
+import org.apache.poi.hssf.record.Record;
+
+public class RKRecordHandler extends AbstractXlsRecordHandler {
+    @Override
+    public boolean support(Record record) {
+        return RKRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        RKRecord rkrec = (RKRecord)record;
+
+        this.row = rkrec.getRow();
+        this.row = rkrec.getColumn();
+        this.value = "";
+    }
+
+    @Override
+    public void init() {
+
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v03/handlers/SSTRecordHandler.java

@@ -0,0 +1,39 @@
+package com.alibaba.excel.analysis.v03.handlers;
+
+import com.alibaba.excel.analysis.v03.AbstractXlsRecordHandler;
+import org.apache.poi.hssf.record.*;
+
+public class SSTRecordHandler extends AbstractXlsRecordHandler {
+    private SSTRecord sstRecord;
+    @Override
+    public boolean support(Record record) {
+        return SSTRecord.sid == record.getSid() || LabelSSTRecord.sid == record.getSid();
+    }
+
+    @Override
+    public void processRecord(Record record) {
+        if (record.getSid() == SSTRecord.sid) {
+            sstRecord = (SSTRecord)record;
+        } else if (record.getSid() == LabelSSTRecord.sid) {
+            LabelSSTRecord lsrec = (LabelSSTRecord)record;
+
+            this.row = lsrec.getRow();
+            this.column = lsrec.getColumn();
+            if (sstRecord == null) {
+                this.value = "";
+            } else {
+                this.value = sstRecord.getString(lsrec.getSSTIndex()).toString();
+            }
+        }
+    }
+
+    @Override
+    public void init() {
+
+    }
+
+    @Override
+    public int getOrder() {
+        return 0;
+    }
+}

src/main/java/com/alibaba/excel/analysis/v07/XlsxCellHandler.java

@@ -0,0 +1,11 @@
+package com.alibaba.excel.analysis.v07;
+
+import org.xml.sax.Attributes;
+
+public interface XlsxCellHandler {
+    boolean support(String name);
+    
+    void startHandle(String name, Attributes attributes);
+    
+    void endHandle(String name);
+}

src/main/java/com/alibaba/excel/analysis/v07/XlsxHandlerFactory.java

@@ -0,0 +1,29 @@
+package com.alibaba.excel.analysis.v07;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.poi.xssf.model.SharedStringsTable;
+
+import com.alibaba.excel.analysis.v07.handlers.CountRowCellHandler;
+import com.alibaba.excel.analysis.v07.handlers.DefaultCellHandler;
+import com.alibaba.excel.analysis.v07.handlers.ProcessResultCellHandler;
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.event.AnalysisEventRegistryCenter;
+
+public class XlsxHandlerFactory {
+    public static List<XlsxCellHandler> buildCellHandlers(AnalysisContext analysisContext,
+                    AnalysisEventRegistryCenter registerCenter, SharedStringsTable sst) {
+        List<XlsxCellHandler> result = new ArrayList<XlsxCellHandler>();
+        result.add(new CountRowCellHandler(analysisContext));
+        DefaultCellHandler defaultCellHandler = buildXlsxRowResultHandler(analysisContext, registerCenter, sst);
+        result.add(defaultCellHandler);
+        result.add(new ProcessResultCellHandler(registerCenter, defaultCellHandler));
+        return result;
+    }
+
+    private static DefaultCellHandler buildXlsxRowResultHandler(AnalysisContext analysisContext,
+                    AnalysisEventRegistryCenter registerCenter, SharedStringsTable sst) {
+        return new DefaultCellHandler(analysisContext, registerCenter, sst);
+    }
+}

src/main/java/com/alibaba/excel/analysis/v07/XlsxRowHandler.java

@@ -1,20 +1,14 @@
 package com.alibaba.excel.analysis.v07;
 
-import com.alibaba.excel.annotation.FieldType;
+import java.util.List;
-import com.alibaba.excel.constant.ExcelXmlConstants;
+
-import com.alibaba.excel.context.AnalysisContext;
-import com.alibaba.excel.event.AnalysisEventRegisterCenter;
-import com.alibaba.excel.event.OneRowAnalysisFinishEvent;
-import com.alibaba.excel.util.PositionUtils;
 import org.apache.poi.xssf.model.SharedStringsTable;
-import org.apache.poi.xssf.usermodel.XSSFRichTextString;
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.helpers.DefaultHandler;
 
-import java.util.Arrays;
+import com.alibaba.excel.context.AnalysisContext;
-
+import com.alibaba.excel.event.AnalysisEventRegistryCenter;
-import static com.alibaba.excel.constant.ExcelXmlConstants.*;
 
 /**
  *
@@ -22,117 +16,43 @@ import static com.alibaba.excel.constant.ExcelXmlConstants.*;
  */
 public class XlsxRowHandler extends DefaultHandler {
 
-    private String currentCellIndex;
+    private List<XlsxCellHandler> cellHandlers;
-
+    private XlsxRowResultHolder rowResultHolder;
-    private FieldType currentCellType;
-
-    private int curRow;
-
-    private int curCol;
-
-    private String[] curRowContent = new String[20];
-
-    private String currentCellValue;
-
-    private SharedStringsTable sst;
-
-    private AnalysisContext analysisContext;
 
-    private AnalysisEventRegisterCenter registerCenter;
+    public XlsxRowHandler(AnalysisEventRegistryCenter registerCenter, SharedStringsTable sst,
-
-    public XlsxRowHandler(AnalysisEventRegisterCenter registerCenter, SharedStringsTable sst,
                     AnalysisContext analysisContext) {
-        this.registerCenter = registerCenter;
+        this.cellHandlers = XlsxHandlerFactory.buildCellHandlers(analysisContext, registerCenter, sst);
-        this.analysisContext = analysisContext;
+        for (XlsxCellHandler cellHandler : cellHandlers) {
-        this.sst = sst;
+            if (cellHandler instanceof XlsxRowResultHolder) {
-
+                this.rowResultHolder = (XlsxRowResultHolder) cellHandler;
-    }
+                break;
-
-    @Override
-    public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
-
-        setTotalRowCount(name, attributes);
-
-        startCell(name, attributes);
-
-        startCellValue(name);
-
-    }
-
-    private void startCellValue(String name) {
-        if (name.equals(CELL_VALUE_TAG) || name.equals(CELL_VALUE_TAG_1)) {
-            // initialize current cell value
-            currentCellValue = "";
-        }
-    }
-
-    private void startCell(String name, Attributes attributes) {
-        if (ExcelXmlConstants.CELL_TAG.equals(name)) {
-            currentCellIndex = attributes.getValue(ExcelXmlConstants.POSITION);
-            int nextRow = PositionUtils.getRow(currentCellIndex);
-            if (nextRow > curRow) {
-                curRow = nextRow;
-                // endRow(ROW_TAG);
-            }
-            analysisContext.setCurrentRowNum(curRow);
-            curCol = PositionUtils.getCol(currentCellIndex);
-
-            String cellType = attributes.getValue("t");
-            currentCellType = FieldType.EMPTY;
-            if (cellType != null && cellType.equals("s")) {
-                currentCellType = FieldType.STRING;
-            }
             }
         }
-
-    private void endCellValue(String name) throws SAXException {
-        // ensure size
-        if (curCol >= curRowContent.length) {
-            curRowContent = Arrays.copyOf(curRowContent, (int)(curCol * 1.5));
     }
-        if (CELL_VALUE_TAG.equals(name)) {
 
-            switch (currentCellType) {
+    @Override
-                case STRING:
+    public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
-                    int idx = Integer.parseInt(currentCellValue);
+        for (XlsxCellHandler cellHandler : cellHandlers) {
-                    currentCellValue = new XSSFRichTextString(sst.getEntryAt(idx)).toString();
+            if (cellHandler.support(name)) {
-                    currentCellType = FieldType.EMPTY;
+                cellHandler.startHandle(name, attributes);
-                    break;
             }
-            curRowContent[curCol] = currentCellValue;
-        } else if (CELL_VALUE_TAG_1.equals(name)) {
-            curRowContent[curCol] = currentCellValue;
         }
     }
 
     @Override
     public void endElement(String uri, String localName, String name) throws SAXException {
-        endRow(name);
+        for (XlsxCellHandler cellHandler : cellHandlers) {
-        endCellValue(name);
+            if (cellHandler.support(name)) {
+                cellHandler.endHandle(name);
             }
-
-    @Override
-    public void characters(char[] ch, int start, int length) throws SAXException {
-        currentCellValue += new String(ch, start, length);
         }
-
-
-    private void setTotalRowCount(String name, Attributes attributes) {
-        if (DIMENSION.equals(name)) {
-            String d = attributes.getValue(DIMENSION_REF);
-            String totalStr = d.substring(d.indexOf(":") + 1, d.length());
-            String c = totalStr.toUpperCase().replaceAll("[A-Z]", "");
-            analysisContext.setTotalCount(Integer.parseInt(c));
     }
 
-    }
+    @Override
-
+    public void characters(char[] ch, int start, int length) throws SAXException {
-    private void endRow(String name) {
+        if (rowResultHolder != null) {
-        if (name.equals(ROW_TAG)) {
+            rowResultHolder.appendCurrentCellValue(new String(ch, start, length));
-            registerCenter.notifyListeners(new OneRowAnalysisFinishEvent(curRowContent,curCol));
-            curRowContent = new String[20];
         }
     }
-
 }
 

src/main/java/com/alibaba/excel/analysis/v07/XlsxRowResultHolder.java

@@ -0,0 +1,11 @@
+package com.alibaba.excel.analysis.v07;
+
+public interface XlsxRowResultHolder {
+    void clearResult();
+    
+    void appendCurrentCellValue(String currentCellValue);
+    
+    String[] getCurRowContent();
+    
+    int getColumnSize();
+}

src/main/java/com/alibaba/excel/analysis/v07/handlers/CountRowCellHandler.java

@@ -0,0 +1,36 @@
+package com.alibaba.excel.analysis.v07.handlers;
+
+import static com.alibaba.excel.constant.ExcelXmlConstants.DIMENSION;
+import static com.alibaba.excel.constant.ExcelXmlConstants.DIMENSION_REF;
+
+import org.xml.sax.Attributes;
+
+import com.alibaba.excel.analysis.v07.XlsxCellHandler;
+import com.alibaba.excel.context.AnalysisContext;
+
+public class CountRowCellHandler implements XlsxCellHandler {
+
+    private final AnalysisContext analysisContext;
+    
+    public CountRowCellHandler(AnalysisContext analysisContext) {
+        this.analysisContext = analysisContext;
+    }
+    @Override
+    public boolean support(String name) {
+        return DIMENSION.equals(name);
+    }
+
+    @Override
+    public void startHandle(String name, Attributes attributes) {
+        String d = attributes.getValue(DIMENSION_REF);
+        String totalStr = d.substring(d.indexOf(":") + 1, d.length());
+        String c = totalStr.toUpperCase().replaceAll("[A-Z]", "");
+        analysisContext.setTotalCount(Integer.parseInt(c));
+    }
+
+    @Override
+    public void endHandle(String name) {
+        
+    }
+
+}

src/main/java/com/alibaba/excel/analysis/v07/handlers/DefaultCellHandler.java

@@ -0,0 +1,121 @@
+package com.alibaba.excel.analysis.v07.handlers;
+
+import static com.alibaba.excel.constant.ExcelXmlConstants.CELL_VALUE_TAG;
+import static com.alibaba.excel.constant.ExcelXmlConstants.CELL_TAG;
+import static com.alibaba.excel.constant.ExcelXmlConstants.CELL_VALUE_TAG_1;
+
+import java.util.Arrays;
+
+import org.apache.poi.xssf.model.SharedStringsTable;
+import org.apache.poi.xssf.usermodel.XSSFRichTextString;
+import org.xml.sax.Attributes;
+
+import com.alibaba.excel.analysis.v07.XlsxCellHandler;
+import com.alibaba.excel.analysis.v07.XlsxRowResultHolder;
+import com.alibaba.excel.annotation.FieldType;
+import com.alibaba.excel.constant.ExcelXmlConstants;
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.event.AnalysisEventRegistryCenter;
+import com.alibaba.excel.util.PositionUtils;
+
+public class DefaultCellHandler implements XlsxCellHandler, XlsxRowResultHolder {
+    private String currentCellIndex;
+
+    private FieldType currentCellType;
+
+    private int curRow;
+
+    private int curCol;
+
+    private String[] curRowContent = new String[20];
+
+    private String currentCellValue;
+
+    private final AnalysisContext analysisContext;
+    
+    private final AnalysisEventRegistryCenter registerCenter;
+
+    private final SharedStringsTable sst;
+
+    public DefaultCellHandler(AnalysisContext analysisContext, AnalysisEventRegistryCenter registerCenter, SharedStringsTable sst) {
+        this.analysisContext = analysisContext;
+        this.registerCenter = registerCenter;
+        this.sst = sst;
+    }
+    
+    @Override
+    public void clearResult() {
+        curRowContent = new String[20];
+    }
+
+    @Override
+    public boolean support(String name) {
+        return CELL_VALUE_TAG.equals(name) || CELL_VALUE_TAG_1.equals(name) || CELL_TAG.equals(name);
+    }
+
+    @Override
+    public void startHandle(String name, Attributes attributes) {
+        if (CELL_TAG.equals(name)) {
+            currentCellIndex = attributes.getValue(ExcelXmlConstants.POSITION);
+            int nextRow = PositionUtils.getRow(currentCellIndex);
+            if (nextRow > curRow) {
+                curRow = nextRow;
+                // endRow(ROW_TAG);
+            }
+            analysisContext.setCurrentRowNum(curRow);
+            curCol = PositionUtils.getCol(currentCellIndex);
+
+            String cellType = attributes.getValue("t");
+            currentCellType = FieldType.EMPTY;
+            if (cellType != null && cellType.equals("s")) {
+                currentCellType = FieldType.STRING;
+            }
+        }
+        if (name.equals(CELL_VALUE_TAG) || name.equals(CELL_VALUE_TAG_1)) {
+            // initialize current cell value
+            currentCellValue = "";
+        }
+    }
+
+    @Override
+    public void endHandle(String name) {
+        ensureSize();
+        if (CELL_VALUE_TAG.equals(name)) {
+            switch (currentCellType) {
+                case STRING:
+                    int idx = Integer.parseInt(currentCellValue);
+                    currentCellValue = new XSSFRichTextString(sst.getEntryAt(idx)).toString();
+                    currentCellType = FieldType.EMPTY;
+                    break;
+            }
+            curRowContent[curCol] = currentCellValue;
+        } else if (CELL_VALUE_TAG_1.equals(name)) {
+            curRowContent[curCol] = currentCellValue;
+        }
+    }
+    
+    
+
+    private void ensureSize() {
+        // try to size
+        if (curCol >= curRowContent.length) {
+            curRowContent = Arrays.copyOf(curRowContent, (int) (curCol * 1.5));
+        }
+    }
+
+    @Override
+    public void appendCurrentCellValue(String currentCellValue) {
+        this.currentCellValue += currentCellValue;
+    }
+
+    @Override
+    public String[] getCurRowContent() {
+        return this.curRowContent;
+    }
+
+    @Override
+    public int getColumnSize() {
+        return this.curCol;
+    }
+
+}

src/main/java/com/alibaba/excel/analysis/v07/handlers/ProcessResultCellHandler.java

@@ -0,0 +1,37 @@
+package com.alibaba.excel.analysis.v07.handlers;
+
+import org.xml.sax.Attributes;
+import static com.alibaba.excel.constant.ExcelXmlConstants.ROW_TAG;
+import com.alibaba.excel.analysis.v07.XlsxCellHandler;
+import com.alibaba.excel.analysis.v07.XlsxRowResultHolder;
+import com.alibaba.excel.event.AnalysisEventRegistryCenter;
+import com.alibaba.excel.event.EachRowAnalysisFinishEvent;
+
+public class ProcessResultCellHandler implements XlsxCellHandler {
+    private AnalysisEventRegistryCenter registerCenter;
+    private XlsxRowResultHolder rowResultHandler;
+
+    public ProcessResultCellHandler(AnalysisEventRegistryCenter registerCenter,
+                    XlsxRowResultHolder rowResultHandler) {
+        this.registerCenter = registerCenter;
+        this.rowResultHandler = rowResultHandler;
+    }
+
+    @Override
+    public boolean support(String name) {
+        return ROW_TAG.equals(name);
+    }
+
+    @Override
+    public void startHandle(String name, Attributes attributes) {
+
+    }
+
+    @Override
+    public void endHandle(String name) {
+        registerCenter.notify(new EachRowAnalysisFinishEvent(rowResultHandler.getCurRowContent(),
+                        rowResultHandler.getColumnSize()));
+        rowResultHandler.clearResult();
+    }
+
+}

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

@@ -1,14 +1,13 @@
 package com.alibaba.excel.context;
 
+import java.io.InputStream;
+
+import com.alibaba.excel.converters.ConverterRegistryCenter;
 import com.alibaba.excel.event.AnalysisEventListener;
-import com.alibaba.excel.metadata.BaseRowModel;
 import com.alibaba.excel.metadata.ExcelHeadProperty;
 import com.alibaba.excel.metadata.Sheet;
 import com.alibaba.excel.support.ExcelTypeEnum;
 
-import java.io.InputStream;
-import java.util.List;
-
 /**
  *
  * A context is the main anchorage point of a excel reader.
@@ -52,8 +51,13 @@ public interface AnalysisContext {
      * custom listener
      * @return listener
      */
-    AnalysisEventListener getEventListener();
+    AnalysisEventListener<Object> getEventListener();
 
+    /**
+     * get the converter registry center.
+     * @return converter registry center.
+     */
+    ConverterRegistryCenter getConverterRegistryCenter();
     /**
      * get current row
      * @return
@@ -87,11 +91,10 @@ public interface AnalysisContext {
     ExcelHeadProperty getExcelHeadProperty();
 
     /**
-     *
+     * set the excel head property
-     * @param clazz
+     * @param excelHeadProperty the excel property to set.
-     * @param headOneRow
      */
-    void buildExcelHeadProperty(Class<? extends BaseRowModel> clazz, List<String> headOneRow);
+    void setExcelHeadProperty(ExcelHeadProperty excelHeadProperty);
 
     /**
      *

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

@@ -1,16 +1,14 @@
 package com.alibaba.excel.context;
 
+import java.io.InputStream;
+
+import com.alibaba.excel.converters.ConverterRegistryCenter;
 import com.alibaba.excel.event.AnalysisEventListener;
 import com.alibaba.excel.exception.ExcelAnalysisException;
-import com.alibaba.excel.metadata.BaseRowModel;
 import com.alibaba.excel.metadata.ExcelHeadProperty;
 import com.alibaba.excel.metadata.Sheet;
 import com.alibaba.excel.support.ExcelTypeEnum;
 
-import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.List;
-
 /**
  *
  * @author jipengfei
@@ -25,7 +23,7 @@ public class AnalysisContextImpl implements AnalysisContext {
 
     private InputStream inputStream;
 
-    private AnalysisEventListener eventListener;
+    private AnalysisEventListener<Object> eventListener;
 
     private Integer currentRowNum;
 
@@ -37,6 +35,8 @@ public class AnalysisContextImpl implements AnalysisContext {
 
     private boolean use1904WindowDate = false;
     
+    private ConverterRegistryCenter converterRegistryCenter;
+
     @Override
     public void setUse1904WindowDate(boolean use1904WindowDate) {
         this.use1904WindowDate = use1904WindowDate;
@@ -65,20 +65,22 @@ public class AnalysisContextImpl implements AnalysisContext {
     private Object currentRowAnalysisResult;
 
     public AnalysisContextImpl(InputStream inputStream, ExcelTypeEnum excelTypeEnum, Object custom,
-                               AnalysisEventListener listener, boolean trim) {
+                               AnalysisEventListener<Object> listener, ConverterRegistryCenter converterRegistryCenter, boolean trim) {
         this.custom = custom;
         this.eventListener = listener;
         this.inputStream = inputStream;
         this.excelType = excelTypeEnum;
         this.trim = trim;
+        this.converterRegistryCenter = converterRegistryCenter;
     }
 
+    
     @Override
     public void setCurrentSheet(Sheet currentSheet) {
         cleanCurrentSheet();
         this.currentSheet = currentSheet;
         if (currentSheet.getClazz() != null) {
-            buildExcelHeadProperty(currentSheet.getClazz(), null);
+            ExcelHeadProperty.buildExcelHeadProperty(this.excelHeadProperty, currentSheet.getClazz(), null);
         }
     }
 
@@ -122,11 +124,11 @@ public class AnalysisContextImpl implements AnalysisContext {
     }
 
     @Override
-    public AnalysisEventListener getEventListener() {
+    public AnalysisEventListener<Object> getEventListener() {
         return eventListener;
     }
 
-    public void setEventListener(AnalysisEventListener eventListener) {
+    public void setEventListener(AnalysisEventListener<Object> eventListener) {
         this.eventListener = eventListener;
     }
 
@@ -155,18 +157,19 @@ public class AnalysisContextImpl implements AnalysisContext {
         return this.excelHeadProperty;
     }
     
+
     @Override
-    public void buildExcelHeadProperty(Class<? extends BaseRowModel> clazz, List<String> headOneRow) {
+    public void setExcelHeadProperty(ExcelHeadProperty excelHeadProperty) {
-        if (this.excelHeadProperty == null && (clazz != null || headOneRow != null)) {
+        this.excelHeadProperty = excelHeadProperty;
-            this.excelHeadProperty = new ExcelHeadProperty(clazz, new ArrayList<List<String>>());
-        }
-        if (this.excelHeadProperty.getHead() == null && headOneRow != null) {
-            this.excelHeadProperty.appendOneRow(headOneRow);
-        }
     }
 
     @Override
     public boolean trim() {
         return this.trim;
     }
+
+    @Override
+    public ConverterRegistryCenter getConverterRegistryCenter() {
+        return converterRegistryCenter;
+    }
 }

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

@@ -1,293 +1,35 @@
 package com.alibaba.excel.context;
 
-import com.alibaba.excel.event.WriteHandler;
-import com.alibaba.excel.metadata.BaseRowModel;
-import com.alibaba.excel.metadata.ExcelHeadProperty;
-import com.alibaba.excel.metadata.Table;
-import com.alibaba.excel.support.ExcelTypeEnum;
-import com.alibaba.excel.util.CollectionUtils;
-import com.alibaba.excel.util.StyleUtil;
-import com.alibaba.excel.util.WorkBookUtil;
-import org.apache.poi.ss.usermodel.*;
-import org.apache.poi.ss.util.CellRangeAddress;
-
-import java.io.IOException;
-import java.io.InputStream;
 import java.io.OutputStream;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-import static com.alibaba.excel.util.StyleUtil.buildSheetStyle;
-
-/**
- * A context is the main anchorage point of a excel writer.
- *
- * @author jipengfei
- */
-public class WriteContext {
-
-    /***
-     * The sheet currently written
-     */
-    private Sheet currentSheet;
-
-    /**
-     * current param
-     */
-    private com.alibaba.excel.metadata.Sheet currentSheetParam;
-
-    /**
-     * The sheet currently written's name
-     */
-    private String currentSheetName;
-
-    /**
-     *
-     */
-    private Table currentTable;
-
-    /**
-     * Excel type
-     */
-    private ExcelTypeEnum excelType;
-
-    /**
-     * POI Workbook
-     */
-    private Workbook workbook;
-
-    /**
-     * Final output stream
-     */
-    private OutputStream outputStream;
-
-    /**
-     * Written form collection
-     */
-    private Map<Integer, Table> tableMap = new ConcurrentHashMap<Integer, Table>();
-
-    /**
-     * Cell default style
-     */
-    private CellStyle defaultCellStyle;
-
-    /**
-     * Current table head  style
-     */
-    private CellStyle currentHeadCellStyle;
-
-    /**
-     * Current table content  style
-     */
-    private CellStyle currentContentCellStyle;
-
-    /**
-     * the header attribute of excel
-     */
-    private ExcelHeadProperty excelHeadProperty;
-
-    private boolean needHead = Boolean.TRUE;
-
-    private WriteHandler afterWriteHandler;
-
-    public WriteHandler getAfterWriteHandler() {
-        return afterWriteHandler;
-    }
-
-    public WriteContext(InputStream templateInputStream, OutputStream out, ExcelTypeEnum excelType,
-                        boolean needHead, WriteHandler afterWriteHandler) throws IOException {
-        this.needHead = needHead;
-        this.outputStream = out;
-        this.afterWriteHandler = afterWriteHandler;
-        this.workbook = WorkBookUtil.createWorkBook(templateInputStream, excelType);
-        this.defaultCellStyle = StyleUtil.buildDefaultCellStyle(this.workbook);
-
-    }
-
-    /**
-     * @param sheet
-     */
-    public void currentSheet(com.alibaba.excel.metadata.Sheet sheet) {
-        if (null == currentSheetParam || currentSheetParam.getSheetNo() != sheet.getSheetNo()) {
-            cleanCurrentSheet();
-            currentSheetParam = sheet;
-            try {
-                this.currentSheet = workbook.getSheetAt(sheet.getSheetNo() - 1);
-            } catch (Exception e) {
-                this.currentSheet = WorkBookUtil.createSheet(workbook, sheet);
-                if (null != afterWriteHandler) {
-                    this.afterWriteHandler.sheet(sheet.getSheetNo(), currentSheet);
-                }
-            }
-            buildSheetStyle(currentSheet, sheet.getColumnWidthMap());
-            /** **/
-            this.initCurrentSheet(sheet);
-        }
-
-    }
-
-    private void initCurrentSheet(com.alibaba.excel.metadata.Sheet sheet) {
-
-        /** **/
-        initExcelHeadProperty(sheet.getHead(), sheet.getClazz());
-
-        initTableStyle(sheet.getTableStyle());
-
-        initTableHead();
-
-    }
-
-    private void cleanCurrentSheet() {
-        this.currentSheet = null;
-        this.currentSheetParam = null;
-        this.excelHeadProperty = null;
-        this.currentHeadCellStyle = null;
-        this.currentContentCellStyle = null;
-        this.currentTable = null;
-
-    }
-
-    /**
-     * init excel header
-     *
-     * @param head
-     * @param clazz
-     */
-    private void initExcelHeadProperty(List<List<String>> head, Class<? extends BaseRowModel> clazz) {
-        if (head != null || clazz != null) { this.excelHeadProperty = new ExcelHeadProperty(clazz, head); }
-    }
-
-    public void initTableHead() {
-        if (needHead && null != excelHeadProperty && !CollectionUtils.isEmpty(excelHeadProperty.getHead())) {
-            int startRow = currentSheet.getLastRowNum();
-            if (startRow > 0) {
-                startRow += 4;
-            } else {
-                startRow = currentSheetParam.getStartRow();
-            }
-            addMergedRegionToCurrentSheet(startRow);
-            int i = startRow;
-            for (; i < this.excelHeadProperty.getRowNum() + startRow; i++) {
-                Row row = WorkBookUtil.createRow(currentSheet, i);
-                if (null != afterWriteHandler) {
-                    this.afterWriteHandler.row(i, row);
-                }
-                addOneRowOfHeadDataToExcel(row, this.excelHeadProperty.getHeadByRowNum(i - startRow));
-            }
-        }
-    }
-
-    private void addMergedRegionToCurrentSheet(int startRow) {
-        for (com.alibaba.excel.metadata.CellRange cellRangeModel : excelHeadProperty.getCellRangeModels()) {
-            currentSheet.addMergedRegion(new CellRangeAddress(cellRangeModel.getFirstRow() + startRow,
-                cellRangeModel.getLastRow() + startRow,
-                cellRangeModel.getFirstCol(), cellRangeModel.getLastCol()));
-        }
-    }
 
-    private void addOneRowOfHeadDataToExcel(Row row, List<String> headByRowNum) {
+import org.apache.poi.ss.usermodel.CellStyle;
-        if (headByRowNum != null && headByRowNum.size() > 0) {
+import org.apache.poi.ss.usermodel.Sheet;
-            for (int i = 0; i < headByRowNum.size(); i++) {
+import org.apache.poi.ss.usermodel.Workbook;
-                Cell cell = WorkBookUtil.createCell(row, i, getCurrentHeadCellStyle(), headByRowNum.get(i));
-                if (null != afterWriteHandler) {
-                    this.afterWriteHandler.cell(i, cell);
-                }
-            }
-        }
-    }
 
-    private void initTableStyle(com.alibaba.excel.metadata.TableStyle tableStyle) {
+import com.alibaba.excel.converters.ConverterRegistryCenter;
-        if (tableStyle != null) {
+import com.alibaba.excel.event.WriteHandler;
-            this.currentHeadCellStyle = StyleUtil.buildCellStyle(this.workbook, tableStyle.getTableHeadFont(),
+import com.alibaba.excel.metadata.ExcelHeadProperty;
-                tableStyle.getTableHeadBackGroundColor());
+import com.alibaba.excel.metadata.Table;
-            this.currentContentCellStyle = StyleUtil.buildCellStyle(this.workbook, tableStyle.getTableContentFont(),
-                tableStyle.getTableContentBackGroundColor());
-        }
-    }
-
-    private void cleanCurrentTable() {
-        this.excelHeadProperty = null;
-        this.currentHeadCellStyle = null;
-        this.currentContentCellStyle = null;
-        this.currentTable = null;
-
-    }
-
-    public void currentTable(Table table) {
-        if (null == currentTable || currentTable.getTableNo() != table.getTableNo()) {
-            cleanCurrentTable();
-            this.currentTable = table;
-            this.initExcelHeadProperty(table.getHead(), table.getClazz());
-            this.initTableStyle(table.getTableStyle());
-            this.initTableHead();
-        }
-
-    }
-
-    public ExcelHeadProperty getExcelHeadProperty() {
-        return this.excelHeadProperty;
-    }
-
-    public boolean needHead() {
-        return this.needHead;
-    }
-
-    public Sheet getCurrentSheet() {
-        return currentSheet;
-    }
-
-    public void setCurrentSheet(Sheet currentSheet) {
-        this.currentSheet = currentSheet;
-    }
-
-    public String getCurrentSheetName() {
-        return currentSheetName;
-    }
 
-    public void setCurrentSheetName(String currentSheetName) {
+public interface WriteContext {
-        this.currentSheetName = currentSheetName;
-    }
 
-    public ExcelTypeEnum getExcelType() {
+    Sheet getCurrentSheet();
-        return excelType;
-    }
 
-    public void setExcelType(ExcelTypeEnum excelType) {
+    boolean needHead();
-        this.excelType = excelType;
-    }
 
-    public OutputStream getOutputStream() {
+    ExcelHeadProperty getExcelHeadProperty();
-        return outputStream;
-    }
 
-    public CellStyle getCurrentHeadCellStyle() {
+    void currentSheet(com.alibaba.excel.metadata.Sheet sheet);
-        return this.currentHeadCellStyle == null ? defaultCellStyle : this.currentHeadCellStyle;
-    }
     
-    public CellStyle getCurrentContentStyle() {
+    void currentTable(Table table);
-        return this.currentContentCellStyle;
-    }
 
-    public Workbook getWorkbook() {
+    OutputStream getOutputStream();
-        return workbook;
-    }
 
-    public com.alibaba.excel.metadata.Sheet getCurrentSheetParam() {
+    Workbook getWorkbook();
-        return currentSheetParam;
-    }
     
-    public void setCurrentSheetParam(com.alibaba.excel.metadata.Sheet currentSheetParam) {
+    WriteHandler getWriteHandler();
-        this.currentSheetParam = currentSheetParam;
-    }
 
-    public Table getCurrentTable() {
+    CellStyle getCurrentContentStyle();
-        return currentTable;
-    }
     
-    public void setCurrentTable(Table currentTable) {
+    ConverterRegistryCenter getConverterRegistryCenter();
-        this.currentTable = currentTable;
-    }
 }
-
-

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

@@ -0,0 +1,311 @@
+package com.alibaba.excel.context;
+
+import static com.alibaba.excel.util.StyleUtil.buildSheetStyle;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.ss.util.CellRangeAddress;
+
+import com.alibaba.excel.converters.ConverterRegistryCenter;
+import com.alibaba.excel.event.WriteHandler;
+import com.alibaba.excel.metadata.BaseRowModel;
+import com.alibaba.excel.metadata.ExcelHeadProperty;
+import com.alibaba.excel.metadata.Table;
+import com.alibaba.excel.support.ExcelTypeEnum;
+import com.alibaba.excel.util.CollectionUtils;
+import com.alibaba.excel.util.StyleUtil;
+import com.alibaba.excel.util.WorkBookUtil;
+
+/**
+ * A context is the main anchorage point of a excel writer.
+ *
+ * @author jipengfei
+ */
+public class WriteContextImpl implements WriteContext {
+
+    /***
+     * The sheet currently written
+     */
+    private Sheet currentSheet;
+
+    /**
+     * current param
+     */
+    private com.alibaba.excel.metadata.Sheet currentSheetParam;
+
+    /**
+     * The sheet currently written's name
+     */
+    private String currentSheetName;
+
+    /**
+     *
+     */
+    private Table currentTable;
+
+    /**
+     * Excel type
+     */
+    private ExcelTypeEnum excelType;
+
+    /**
+     * POI Workbook
+     */
+    private Workbook workbook;
+
+    /**
+     * Final output stream
+     */
+    private OutputStream outputStream;
+
+    /**
+     * Written form collection
+     */
+    private Map<Integer, Table> tableMap = new ConcurrentHashMap<Integer, Table>();
+
+    /**
+     * Cell default style
+     */
+    private CellStyle defaultCellStyle;
+
+    /**
+     * Current table head  style
+     */
+    private CellStyle currentHeadCellStyle;
+
+    /**
+     * Current table content  style
+     */
+    private CellStyle currentContentCellStyle;
+
+    /**
+     * the header attribute of excel
+     */
+    private ExcelHeadProperty excelHeadProperty;
+
+    private boolean needHead = true;
+
+    private WriteHandler writeHandler;
+    
+    private ConverterRegistryCenter registryCenter;
+
+    public WriteHandler getWriteHandler() {
+        return writeHandler;
+    }
+
+    public WriteContextImpl(InputStream templateInputStream, OutputStream out, ExcelTypeEnum excelType,
+                        boolean needHead, WriteHandler writeHandler, ConverterRegistryCenter registryCenter) throws IOException {
+        this.needHead = needHead;
+        this.outputStream = out;
+        this.writeHandler = writeHandler;
+        this.workbook = WorkBookUtil.createWorkBook(templateInputStream, excelType);
+        this.defaultCellStyle = StyleUtil.buildDefaultCellStyle(this.workbook);
+        this.registryCenter = registryCenter;
+    }
+
+    /**
+     * @param sheet
+     */
+    @Override
+    public void currentSheet(com.alibaba.excel.metadata.Sheet sheet) {
+        if (null == currentSheetParam || currentSheetParam.getSheetNo() != sheet.getSheetNo()) {
+            cleanCurrentSheet();
+            currentSheetParam = sheet;
+            try {
+                this.currentSheet = workbook.getSheetAt(sheet.getSheetNo() - 1);
+            } catch (Exception e) {
+                this.currentSheet = WorkBookUtil.createSheet(workbook, sheet);
+                if (null != writeHandler) {
+                    this.writeHandler.sheet(sheet.getSheetNo(), currentSheet);
+                }
+            }
+            buildSheetStyle(currentSheet, sheet.getColumnWidthMap());
+            /** **/
+            this.initCurrentSheet(sheet);
+        }
+
+    }
+
+    private void initCurrentSheet(com.alibaba.excel.metadata.Sheet sheet) {
+
+        /** **/
+        initExcelHeadProperty(sheet.getHead(), sheet.getClazz());
+
+        initTableStyle(sheet.getTableStyle());
+
+        initTableHead();
+
+    }
+
+    private void cleanCurrentSheet() {
+        this.currentSheet = null;
+        this.currentSheetParam = null;
+        this.excelHeadProperty = null;
+        this.currentHeadCellStyle = null;
+        this.currentContentCellStyle = null;
+        this.currentTable = null;
+
+    }
+
+    /**
+     * init excel header
+     *
+     * @param head
+     * @param clazz
+     */
+    private void initExcelHeadProperty(List<List<String>> head, Class<? extends BaseRowModel> clazz) {
+        if (head != null || clazz != null) { this.excelHeadProperty = new ExcelHeadProperty(clazz, head); }
+    }
+
+    public void initTableHead() {
+        if (needHead && null != excelHeadProperty && !CollectionUtils.isEmpty(excelHeadProperty.getHead())) {
+            int startRow = currentSheet.getLastRowNum();
+            if (startRow > 0) {
+                startRow += 4;
+            } else {
+                startRow = currentSheetParam.getStartRow();
+            }
+            addMergedRegionToCurrentSheet(startRow);
+            int i = startRow;
+            for (; i < this.excelHeadProperty.getRowNum() + startRow; i++) {
+                Row row = WorkBookUtil.createRow(currentSheet, i);
+                if (null != writeHandler) {
+                    this.writeHandler.row(i, row);
+                }
+                addOneRowOfHeadDataToExcel(row, this.excelHeadProperty.getHeadByRowNum(i - startRow));
+            }
+        }
+    }
+
+    private void addMergedRegionToCurrentSheet(int startRow) {
+        for (com.alibaba.excel.metadata.CellRange cellRangeModel : excelHeadProperty.getCellRangeModels()) {
+            currentSheet.addMergedRegion(new CellRangeAddress(cellRangeModel.getFirstRow() + startRow,
+                cellRangeModel.getLastRow() + startRow,
+                cellRangeModel.getFirstCol(), cellRangeModel.getLastCol()));
+        }
+    }
+
+    private void addOneRowOfHeadDataToExcel(Row row, List<String> headByRowNum) {
+        if (headByRowNum != null && headByRowNum.size() > 0) {
+            for (int i = 0; i < headByRowNum.size(); i++) {
+                Cell cell = WorkBookUtil.createCell(row, i, getCurrentHeadCellStyle(), headByRowNum.get(i));
+                if (null != writeHandler) {
+                    this.writeHandler.cell(i, cell);
+                }
+            }
+        }
+    }
+
+    private void initTableStyle(com.alibaba.excel.metadata.TableStyle tableStyle) {
+        if (tableStyle != null) {
+            this.currentHeadCellStyle = StyleUtil.buildCellStyle(this.workbook, tableStyle.getTableHeadFont(),
+                tableStyle.getTableHeadBackGroundColor());
+            this.currentContentCellStyle = StyleUtil.buildCellStyle(this.workbook, tableStyle.getTableContentFont(),
+                tableStyle.getTableContentBackGroundColor());
+        }
+    }
+
+    private void cleanCurrentTable() {
+        this.excelHeadProperty = null;
+        this.currentHeadCellStyle = null;
+        this.currentContentCellStyle = null;
+        this.currentTable = null;
+
+    }
+
+    @Override
+    public void currentTable(Table table) {
+        if (null == currentTable || currentTable.getTableNo() != table.getTableNo()) {
+            cleanCurrentTable();
+            this.currentTable = table;
+            this.initExcelHeadProperty(table.getHead(), table.getClazz());
+            this.initTableStyle(table.getTableStyle());
+            this.initTableHead();
+        }
+
+    }
+
+    public ExcelHeadProperty getExcelHeadProperty() {
+        return this.excelHeadProperty;
+    }
+
+    public boolean needHead() {
+        return this.needHead;
+    }
+
+    @Override
+    public Sheet getCurrentSheet() {
+        return currentSheet;
+    }
+
+    public void setCurrentSheet(Sheet currentSheet) {
+        this.currentSheet = currentSheet;
+    }
+
+    public String getCurrentSheetName() {
+        return currentSheetName;
+    }
+
+    public void setCurrentSheetName(String currentSheetName) {
+        this.currentSheetName = currentSheetName;
+    }
+
+    public ExcelTypeEnum getExcelType() {
+        return excelType;
+    }
+
+    public void setExcelType(ExcelTypeEnum excelType) {
+        this.excelType = excelType;
+    }
+
+    @Override
+    public OutputStream getOutputStream() {
+        return outputStream;
+    }
+
+    public CellStyle getCurrentHeadCellStyle() {
+        return this.currentHeadCellStyle == null ? defaultCellStyle : this.currentHeadCellStyle;
+    }
+
+    public CellStyle getCurrentContentStyle() {
+        return this.currentContentCellStyle;
+    }
+
+    @Override
+    public Workbook getWorkbook() {
+        return workbook;
+    }
+
+    public com.alibaba.excel.metadata.Sheet getCurrentSheetParam() {
+        return currentSheetParam;
+    }
+
+    public void setCurrentSheetParam(com.alibaba.excel.metadata.Sheet currentSheetParam) {
+        this.currentSheetParam = currentSheetParam;
+    }
+
+    public Table getCurrentTable() {
+        return currentTable;
+    }
+
+    public void setCurrentTable(Table currentTable) {
+        this.currentTable = currentTable;
+    }
+
+    @Override
+    public ConverterRegistryCenter getConverterRegistryCenter() {
+        return registryCenter;
+    }
+}
+
+

src/main/java/com/alibaba/excel/converters/BigDecimalConverter.java

@@ -0,0 +1,33 @@
+package com.alibaba.excel.converters;
+
+import java.math.BigDecimal;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+
+public class BigDecimalConverter implements Converter {
+    @Override
+    public String getName() {
+        return "big-decimal-converter";
+    }
+
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        return BigDecimal.class.equals(columnProperty.getField().getType());
+    }
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        return new BigDecimal(value);
+    }
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        cell.setCellValue(Double.parseDouble(value.toString()));
+        return cell;
+    }
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof BigDecimal;
+    }
+    
+}

src/main/java/com/alibaba/excel/converters/BooleanConverter.java

@@ -0,0 +1,42 @@
+package com.alibaba.excel.converters;
+
+import java.lang.reflect.Field;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+
+public class BooleanConverter implements Converter {
+    @Override
+    public String getName() {
+        return "boolean-converter";
+    }
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        Field field = columnProperty.getField();
+        return Boolean.class.equals(field.getType()) || boolean.class.equals(field.getType());
+    }
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        String valueLower = value.toLowerCase();
+        if (valueLower.equals("true") || valueLower.equals("false")) {
+            return Boolean.parseBoolean(value.toLowerCase());
+        }
+        Integer integer = Integer.parseInt(value);
+        if (integer == 0) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        cell.setCellValue(String.valueOf(value));
+        return cell;
+    }
+    
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof Boolean || boolean.class.equals(cellValue.getClass());
+    }
+}

src/main/java/com/alibaba/excel/converters/Converter.java

@@ -0,0 +1,13 @@
+package com.alibaba.excel.converters;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+
+public interface Converter {
+    String getName();
+    boolean support(ExcelColumnProperty columnProperty);
+    boolean support(Object cellValue);
+    Object convert(String value, ExcelColumnProperty columnProperty);
+    Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty);
+}

src/main/java/com/alibaba/excel/converters/ConverterRegistryCenter.java

@@ -0,0 +1,8 @@
+package com.alibaba.excel.converters;
+
+import java.util.Collection;
+
+public interface ConverterRegistryCenter {
+    void register(Converter converter);
+    Collection<Converter> getConverters();
+}

src/main/java/com/alibaba/excel/converters/DateConverter.java

@@ -0,0 +1,55 @@
+package com.alibaba.excel.converters;
+
+import java.util.Date;
+
+import org.apache.poi.hssf.usermodel.HSSFDateUtil;
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+import com.alibaba.excel.util.StringUtils;
+import com.alibaba.excel.util.TypeUtil;
+
+public class DateConverter implements Converter {
+    private final AnalysisContext context;
+
+    public DateConverter(AnalysisContext context) {
+        this.context = context;
+    }
+
+    @Override
+    public String getName() {
+        return "date-converter";
+    }
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        return Date.class.equals(columnProperty.getField().getType());
+    }
+
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        if (value.contains("-") || value.contains("/") || value.contains(":")) {
+            return TypeUtil.getSimpleDateFormatDate(value, columnProperty.getFormat());
+        } else {
+            Double d = Double.parseDouble(value);
+            return HSSFDateUtil.getJavaDate(d, context != null ? context.use1904WindowDate() : false);
+        }
+    }
+
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        Date d = (Date)value;
+        if (columnProperty != null && StringUtils.isEmpty(columnProperty.getFormat()) == false) {
+            cell.setCellValue(TypeUtil.formatDate(d, columnProperty.getFormat()));
+        } else {
+            cell.setCellValue(d);
+        }
+        
+        return cell;
+    }
+    
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof Date;
+    }
+}

src/main/java/com/alibaba/excel/converters/DoubleConverter.java

@@ -0,0 +1,33 @@
+package com.alibaba.excel.converters;
+
+import java.lang.reflect.Field;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+import com.alibaba.excel.util.TypeUtil;
+
+public class DoubleConverter implements Converter {
+    @Override
+    public String getName() {
+        return "double-converter";
+    }
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        Field field = columnProperty.getField();
+        return Double.class.equals(field.getType()) || double.class.equals(field.getType());
+    }
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        return TypeUtil.formatFloat(value);
+    }
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        cell.setCellValue(Double.parseDouble(value.toString()));
+        return cell;
+    }
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof Double || double.class.equals(cellValue.getClass());
+    }
+}

src/main/java/com/alibaba/excel/converters/FloatConverter.java

@@ -0,0 +1,31 @@
+package com.alibaba.excel.converters;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+import com.alibaba.excel.util.TypeUtil;
+
+public class FloatConverter implements Converter {
+    @Override
+    public String getName() {
+        return "float-converter";
+    }
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        return Float.class.equals(columnProperty.getField().getType());
+    }
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        return TypeUtil.formatFloat(value);
+    }
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        cell.setCellValue(Double.parseDouble(value.toString()));
+        return cell;
+    }
+    
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof Float || float.class.equals(cellValue.getClass());
+    }
+}

src/main/java/com/alibaba/excel/converters/IntegerConverter.java

@@ -0,0 +1,33 @@
+package com.alibaba.excel.converters;
+
+import java.lang.reflect.Field;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+
+public class IntegerConverter implements Converter {
+    @Override
+    public String getName() {
+        return "integer-converter";
+    }
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        Field field = columnProperty.getField();
+        return Integer.class.equals(field.getType()) || int.class.equals(field.getType());
+    }
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        return Integer.parseInt(value);
+    }
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        cell.setCellValue(Double.parseDouble(value.toString()));
+        return cell;
+    }
+    
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof Integer || int.class.equals(cellValue.getClass());
+    }
+}

src/main/java/com/alibaba/excel/converters/LongConverter.java

@@ -0,0 +1,33 @@
+package com.alibaba.excel.converters;
+
+import java.lang.reflect.Field;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+
+public class LongConverter implements Converter {
+    @Override
+    public String getName() {
+        return "long-converter";
+    }
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        Field field = columnProperty.getField();
+        return Long.class.equals(field.getType()) || long.class.equals(field.getType());
+    }
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        return Long.parseLong(value);
+    }
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        cell.setCellValue(Double.parseDouble(value.toString()));
+        return cell;
+    }
+    
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof Long || long.class.equals(cellValue.getClass());
+    }
+}

src/main/java/com/alibaba/excel/converters/StringConverter.java

@@ -0,0 +1,31 @@
+package com.alibaba.excel.converters;
+
+import org.apache.poi.ss.usermodel.Cell;
+
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+import com.alibaba.excel.util.TypeUtil;
+
+public class StringConverter implements Converter {
+    @Override
+    public String getName() {
+        return "string-converter";
+    }
+    @Override
+    public boolean support(ExcelColumnProperty columnProperty) {
+        return String.class.equals(columnProperty.getField().getType());
+    }
+    @Override
+    public Object convert(String value, ExcelColumnProperty columnProperty) {
+        return TypeUtil.formatFloat(value);
+    }
+    @Override
+    public Cell convert(Cell cell, Object value, ExcelColumnProperty columnProperty) {
+        cell.setCellValue(String.valueOf(value));
+        return cell;
+    }
+    
+    @Override
+    public boolean support(Object cellValue) {
+        return cellValue instanceof String;
+    }
+}

src/main/java/com/alibaba/excel/event/AnalysisEventListener.java

@@ -12,7 +12,7 @@ public abstract class AnalysisEventListener<T> {
     /**
      * when analysis one row trigger invoke function
      *
-     * @param object  one row data
+     * @param object  one row value
      * @param context analysis context
      */
     public abstract void invoke(T object, AnalysisContext context);

src/main/java/com/alibaba/excel/event/AnalysisEventRegistryCenter.java

@@ -5,7 +5,7 @@ package com.alibaba.excel.event;
  *
  * @author jipengfei
  */
-public interface AnalysisEventRegisterCenter {
+public interface AnalysisEventRegistryCenter {
 
     /**
      * Append listener
@@ -13,17 +13,23 @@ public interface AnalysisEventRegisterCenter {
      * @param name     listener name.
      * @param listener Callback method after each row is parsed.
      */
-    void appendLister(String name, AnalysisEventListener listener);
+    void register(String name, AnalysisEventListener<Object> listener);
 
     /**
      * Parse one row to notify all event listeners
      *
      * @param event parse event
      */
-    void notifyListeners(OneRowAnalysisFinishEvent event);
+    void notify(AnalysisFinishEvent event);
 
     /**
      * Clean all listeners.
      */
     void cleanAllListeners();
+    
+    /**
+     * clean listener by name
+     * @param name the listener name
+     */
+    void cleanListener(String name);
 }

src/main/java/com/alibaba/excel/event/AnalysisFinishEvent.java

@@ -0,0 +1,5 @@
+package com.alibaba.excel.event;
+
+public interface AnalysisFinishEvent {
+    Object getAnalysisResult();
+}

src/main/java/com/alibaba/excel/event/EachRowAnalysisFinishEvent.java

@@ -0,0 +1,29 @@
+package com.alibaba.excel.event;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author jipengfei
+ */
+public class EachRowAnalysisFinishEvent implements AnalysisFinishEvent {
+    private Object result;
+    public EachRowAnalysisFinishEvent(Object content) {
+        this.result = content;
+    }
+
+    public EachRowAnalysisFinishEvent(String[] content, int length) {
+        if (content != null) {
+            List<String> ls = new ArrayList<String>(length);
+            for (int i = 0; i <= length; i++) {
+                ls.add(content[i]);
+            }
+            result = ls;
+        }
+    }
+
+    @Override
+    public Object getAnalysisResult() {
+        return result;
+    }
+}

src/main/java/com/alibaba/excel/event/ModelBuildEventListener.java

@@ -1,23 +1,34 @@
-package com.alibaba.excel.modelbuild;
+package com.alibaba.excel.event;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.converters.Converter;
 import com.alibaba.excel.event.AnalysisEventListener;
 import com.alibaba.excel.exception.ExcelGenerateException;
+import com.alibaba.excel.metadata.ExcelColumnProperty;
 import com.alibaba.excel.metadata.ExcelHeadProperty;
 import com.alibaba.excel.util.TypeUtil;
-import net.sf.cglib.beans.BeanMap;
 
-import java.util.List;
+import net.sf.cglib.beans.BeanMap;
 
 /**
  * @author jipengfei
  */
-public class ModelBuildEventListener extends AnalysisEventListener {
+public class ModelBuildEventListener extends AnalysisEventListener<Object> {
+    private final Collection<Converter> converters;
+    public ModelBuildEventListener(Collection<Converter> converters) {
+        this.converters = converters;
+    }
     
     @Override
     public void invoke(Object object, AnalysisContext context) {
         if (context.getExcelHeadProperty() != null && context.getExcelHeadProperty().getHeadClazz() != null) {
             try {
+                @SuppressWarnings("unchecked")
                 Object resultModel = buildUserModel(context, (List<String>)object);
                 context.setCurrentRowAnalysisResult(resultModel);
             } catch (Exception e) {
@@ -26,17 +37,36 @@ public class ModelBuildEventListener extends AnalysisEventListener {
         }
     }
 
+    @SuppressWarnings({"rawtypes", "unchecked"})
     private Object buildUserModel(AnalysisContext context, List<String> stringList) throws Exception {
         ExcelHeadProperty excelHeadProperty = context.getExcelHeadProperty();
         Object resultModel = excelHeadProperty.getHeadClazz().newInstance();
         if (excelHeadProperty == null) {
             return resultModel;
         }
-        BeanMap.create(resultModel).putAll(
+        Map map = new HashMap();
-            TypeUtil.getFieldValues(stringList, excelHeadProperty, context.use1904WindowDate()));
+        for (int i = 0; i < stringList.size(); i++) {
+            ExcelColumnProperty columnProperty = excelHeadProperty.getExcelColumnProperty(i);
+            if (columnProperty != null) {
+                Object value = convertValue(stringList.get(i), columnProperty);
+                if (value != null) {
+                    map.put(columnProperty.getField().getName(), value);
+                }
+            }
+        }
+        BeanMap.create(resultModel).putAll(map);
         return resultModel;
     }
 
+    private Object convertValue(String value, ExcelColumnProperty columnProperty) {
+        for (Converter c : converters) {
+            if (c.support(columnProperty)) {
+                return c.convert(value, columnProperty);
+            }
+        }
+        return null;
+    }
+
     @Override
     public void doAfterAllAnalysed(AnalysisContext context) {
 

src/main/java/com/alibaba/excel/event/OneRowAnalysisFinishEvent.java

@@ -1,34 +0,0 @@
-package com.alibaba.excel.event;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * @author jipengfei
- */
-public class OneRowAnalysisFinishEvent {
-
-    public OneRowAnalysisFinishEvent(Object content) {
-        this.data = content;
-    }
-
-    public OneRowAnalysisFinishEvent(String[] content, int length) {
-        if (content != null) {
-            List<String> ls = new ArrayList<String>(length);
-            for (int i = 0; i <= length; i++) {
-                ls.add(content[i]);
-            }
-            data = ls;
-        }
-    }
-
-    private Object data;
-
-    public Object getData() {
-        return data;
-    }
-
-    public void setData(Object data) {
-        this.data = data;
-    }
-}

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

@@ -123,11 +123,11 @@ public class ExcelHeadProperty {
         return excelColumnPropertyMap1.get(columnNum);
     }
 
-    public Class getHeadClazz() {
+    public Class<? extends BaseRowModel> getHeadClazz() {
         return headClazz;
     }
 
-    public void setHeadClazz(Class headClazz) {
+    public void setHeadClazz(Class<? extends BaseRowModel> headClazz) {
         this.headClazz = headClazz;
     }
 
@@ -224,5 +224,13 @@ public class ExcelHeadProperty {
         }
         return headRowNum;
     }
-
+    public static ExcelHeadProperty buildExcelHeadProperty(ExcelHeadProperty excelHeadProperty, Class<? extends BaseRowModel> clazz, List<String> headOneRow) {
+        if (excelHeadProperty == null && (clazz != null || headOneRow != null)) {
+            excelHeadProperty = new ExcelHeadProperty(clazz, new ArrayList<List<String>>());
+        }
+        if (excelHeadProperty.getHead() == null && headOneRow != null) {
+            excelHeadProperty.appendOneRow(headOneRow);
+        }
+        return excelHeadProperty;
+    }
 }

src/main/java/com/alibaba/excel/parameter/GenerateParam.java

@@ -17,6 +17,8 @@ public class GenerateParam {
 
     private ExcelTypeEnum type;
 
+    private boolean needHead = true;
+
     public GenerateParam(String sheetName, Class clazz, OutputStream outputStream) {
         this.outputStream = outputStream;
         this.sheetName = sheetName;
@@ -55,4 +57,12 @@ public class GenerateParam {
     public void setType(ExcelTypeEnum type) {
         this.type = type;
     }
+
+    public boolean isNeedHead() {
+        return needHead;
+    }
+
+    public void setNeedHead(boolean needHead) {
+        this.needHead = needHead;
+    }
 }

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

@@ -1,18 +1,22 @@
 package com.alibaba.excel.util;
 
-import com.alibaba.excel.metadata.ExcelColumnProperty;
-import com.alibaba.excel.metadata.ExcelHeadProperty;
-import net.sf.cglib.beans.BeanMap;
-import org.apache.poi.hssf.usermodel.HSSFDateUtil;
-
 import java.lang.reflect.Field;
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.metadata.ExcelColumnProperty;
+import com.alibaba.excel.metadata.ExcelHeadProperty;
+
 /**
  * @author jipengfei
  */
@@ -26,70 +30,6 @@ public class TypeUtil {
         DATE_FORMAT_LIST.add("yyyyMMdd HH:mm:ss");
     }
 
-    private static int getCountOfChar(String value, char c) {
-        int n = 0;
-        if (value == null) {
-            return 0;
-        }
-        char[] chars = value.toCharArray();
-        for (char cc : chars) {
-            if (cc == c) {
-                n++;
-            }
-        }
-        return n;
-    }
-
-    public static Object convert(String value, Field field, String format, boolean us) {
-        if (!StringUtils.isEmpty(value)) {
-            if (Float.class.equals(field.getType())) {
-                return Float.parseFloat(value);
-            }
-            if (Integer.class.equals(field.getType()) || int.class.equals(field.getType())) {
-                return Integer.parseInt(value);
-            }
-            if (Double.class.equals(field.getType()) || double.class.equals(field.getType())) {
-                if (null != format && !"".equals(format)) {
-                    int n = getCountOfChar(value, '0');
-                    return Double.parseDouble(TypeUtil.formatFloat0(value, n));
-                } else {
-                    return Double.parseDouble(TypeUtil.formatFloat(value));
-                }
-            }
-            if (Boolean.class.equals(field.getType()) || boolean.class.equals(field.getType())) {
-                String valueLower = value.toLowerCase();
-                if (valueLower.equals("true") || valueLower.equals("false")) {
-                    return Boolean.parseBoolean(value.toLowerCase());
-                }
-                Integer integer = Integer.parseInt(value);
-                if (integer == 0) {
-                    return false;
-                } else {
-                    return true;
-                }
-            }
-            if (Long.class.equals(field.getType()) || long.class.equals(field.getType())) {
-                return Long.parseLong(value);
-            }
-            if (Date.class.equals(field.getType())) {
-                if (value.contains("-") || value.contains("/") || value.contains(":")) {
-                    return getSimpleDateFormatDate(value, format);
-                } else {
-                    Double d = Double.parseDouble(value);
-                    return HSSFDateUtil.getJavaDate(d, us);
-                }
-            }
-            if (BigDecimal.class.equals(field.getType())) {
-                return new BigDecimal(value);
-            }
-            if(String.class.equals(field.getType())){
-                return formatFloat(value);
-            }
-
-        }
-        return null;
-    }
-
     public static Boolean isNum(Field field) {
         if (field == null) {
             return false;
@@ -112,12 +52,8 @@ public class TypeUtil {
     }
 
     public static Boolean isNum(Object cellValue) {
-        if (cellValue instanceof Integer
+        if (cellValue instanceof Integer || cellValue instanceof Double || cellValue instanceof Short
-            || cellValue instanceof Double
+                        || cellValue instanceof Long || cellValue instanceof Float || cellValue instanceof BigDecimal) {
-            || cellValue instanceof Short
-            || cellValue instanceof Long
-            || cellValue instanceof Float
-            || cellValue instanceof BigDecimal) {
             return true;
         }
         return false;
@@ -164,7 +100,7 @@ public class TypeUtil {
             if (isNumeric(value)) {
                 try {
                     BigDecimal decimal = new BigDecimal(value);
-                    BigDecimal setScale = decimal.setScale(10, BigDecimal.ROUND_HALF_DOWN).stripTrailingZeros();
+                    BigDecimal setScale = decimal.setScale(10, RoundingMode.HALF_DOWN).stripTrailingZeros();
                     return setScale.toPlainString();
                 } catch (Exception e) {
                 }
@@ -178,7 +114,7 @@ public class TypeUtil {
             if (isNumeric(value)) {
                 try {
                     BigDecimal decimal = new BigDecimal(value);
-                    BigDecimal setScale = decimal.setScale(n, BigDecimal.ROUND_HALF_DOWN);
+                    BigDecimal setScale = decimal.setScale(n, RoundingMode.HALF_DOWN);
                     return setScale.toPlainString();
                 } catch (Exception e) {
                 }
@@ -206,32 +142,4 @@ public class TypeUtil {
         }
         return simpleDateFormat.format(cellValue);
     }
-
-    public static String getFieldStringValue(BeanMap beanMap, String fieldName, String format) {
-        String cellValue = null;
-        Object value = beanMap.get(fieldName);
-        if (value != null) {
-            if (value instanceof Date) {
-                cellValue = TypeUtil.formatDate((Date)value, format);
-            } else {
-                cellValue = value.toString();
-            }
-        }
-        return cellValue;
-    }
-
-    public static Map getFieldValues(List<String> stringList, ExcelHeadProperty excelHeadProperty, Boolean use1904WindowDate) {
-        Map map = new HashMap();
-        for (int i = 0; i < stringList.size(); i++) {
-            ExcelColumnProperty columnProperty = excelHeadProperty.getExcelColumnProperty(i);
-            if (columnProperty != null) {
-                Object value = TypeUtil.convert(stringList.get(i), columnProperty.getField(),
-                    columnProperty.getFormat(), use1904WindowDate);
-                if (value != null) {
-                    map.put(columnProperty.getField().getName(),value);
-                }
-            }
-        }
-        return map;
-    }
 }

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

@@ -55,21 +55,15 @@ public class WorkBookUtil {
         return sheet.createRow(rowNum);
     }
     
-    public static Cell createCell(Row row, int colNum, CellStyle cellStyle, String cellValue) {
+    public static Cell createCell(Row row, int colNum, CellStyle cellStyle) {
-        return createCell(row, colNum, cellStyle, cellValue, false);
-    }
-
-    public static Cell createCell(Row row, int colNum, CellStyle cellStyle, Object cellValue, Boolean isNum) {
         Cell cell = row.createCell(colNum);
         cell.setCellStyle(cellStyle);
-        if (null != cellValue) {
-            if (isNum) {
-                cell.setCellValue(Double.parseDouble(cellValue.toString()));
-            } else {
-                cell.setCellValue(cellValue.toString());
-            }
-        }
         return cell;
     }
     
+    public static Cell createCell(Row row, int colNum, CellStyle cellStyle, String cellValue) {
+        Cell cell = createCell(row, colNum, cellStyle);
+        cell.setCellValue(cellValue);
+        return cell;
+    }
 }

src/main/java/com/alibaba/excel/write/ExcelBuilder.java

@@ -11,7 +11,7 @@ import java.util.List;
 public interface ExcelBuilder {
 
     /**
-     * workBook increase data
+     * workBook increase value
      *
      * @param data     java basic type or java model extend BaseModel
      * @param startRow Start row number
@@ -19,7 +19,7 @@ public interface ExcelBuilder {
     void addContent(List data, int startRow);
 
     /**
-     * WorkBook increase data
+     * WorkBook increase value
      *
      * @param data       java basic type or java model extend BaseModel
      * @param sheetParam Write the sheet
@@ -27,7 +27,7 @@ public interface ExcelBuilder {
     void addContent(List data, Sheet sheetParam);
 
     /**
-     * WorkBook increase data
+     * WorkBook increase value
      *
      * @param data       java basic type or java model extend BaseModel
      * @param sheetParam Write the sheet
@@ -38,12 +38,9 @@ public interface ExcelBuilder {
     /**
      * Creates new cell range. Indexes are zero-based.
      *
-     * @param firstRow Index of first row
+     * @param strategies the merge strategy
-     * @param lastRow  Index of last row (inclusive), must be equal to or larger than {@code firstRow}
-     * @param firstCol Index of first column
-     * @param lastCol  Index of last column (inclusive), must be equal to or larger than {@code firstCol}
      */
-    void merge(int firstRow, int lastRow, int firstCol, int lastCol);
+    void merge(List<MergeStrategy> strategies);
 
     /**
      * Close io

src/main/java/com/alibaba/excel/write/ExcelBuilderImpl.java

@@ -1,6 +1,20 @@
 package com.alibaba.excel.write;
 
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.util.CellRangeAddress;
+
 import com.alibaba.excel.context.WriteContext;
+import com.alibaba.excel.context.WriteContextImpl;
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.converters.ConverterRegistryCenter;
 import com.alibaba.excel.event.WriteHandler;
 import com.alibaba.excel.exception.ExcelGenerateException;
 import com.alibaba.excel.metadata.BaseRowModel;
@@ -12,32 +26,28 @@ import com.alibaba.excel.util.CollectionUtils;
 import com.alibaba.excel.util.POITempFile;
 import com.alibaba.excel.util.TypeUtil;
 import com.alibaba.excel.util.WorkBookUtil;
-import net.sf.cglib.beans.BeanMap;
-import org.apache.poi.ss.usermodel.Cell;
-import org.apache.poi.ss.usermodel.CellStyle;
-import org.apache.poi.ss.usermodel.Row;
-import org.apache.poi.ss.util.CellRangeAddress;
 
-import java.io.IOException;
+import net.sf.cglib.beans.BeanMap;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.List;
 
 /**
  * @author jipengfei
  */
-public class ExcelBuilderImpl implements ExcelBuilder {
+public class ExcelBuilderImpl implements ExcelBuilder, ConverterRegistryCenter {
 
     private WriteContext context;
+    private final List<Converter> converters = new ArrayList<Converter>();
 
     public ExcelBuilderImpl(InputStream templateInputStream,
                             OutputStream out,
                             ExcelTypeEnum excelType,
-                            boolean needHead, WriteHandler writeHandler) {
+                            boolean needHead, WriteHandler writeHandler, List<Converter> converters) {
         try {
             //初始化时候创建临时缓存目录，用于规避POI在并发写bug
             POITempFile.createPOIFilesDirectory();
-            context = new WriteContext(templateInputStream, out, excelType, needHead, writeHandler);
+            if (converters != null) {
+                converters.addAll(converters);
+            }
+            context = new WriteContextImpl(templateInputStream, out, excelType, needHead, writeHandler, this);
         } catch (Exception e) {
             throw new RuntimeException(e);
         }
@@ -80,10 +90,14 @@ public class ExcelBuilderImpl implements ExcelBuilder {
     }
 
     @Override
-    public void merge(int firstRow, int lastRow, int firstCol, int lastCol) {
+    public void merge(List<MergeStrategy> strategies)  {
-        CellRangeAddress cra = new CellRangeAddress(firstRow, lastRow, firstCol, lastCol);
+        if (strategies != null) {
+            for (MergeStrategy ms : strategies) {
+                CellRangeAddress cra = new CellRangeAddress(ms.getFirstRow(), ms.getLastRow(), ms.getFirstCol(), ms.getLastCol());
                 context.getCurrentSheet().addMergedRegion(cra);
             }
+        }
+    }
 
     @Override
     public void finish() {
@@ -101,10 +115,10 @@ public class ExcelBuilderImpl implements ExcelBuilder {
         }
         for (int i = 0; i < oneRowData.size(); i++) {
             Object cellValue = oneRowData.get(i);
-            Cell cell = WorkBookUtil.createCell(row, i, context.getCurrentContentStyle(), cellValue,
+            Cell cell = WorkBookUtil.createCell(row, i, context.getCurrentContentStyle());
-                TypeUtil.isNum(cellValue));
+            cell = convertValue(cell, cellValue, null);
-            if (null != context.getAfterWriteHandler()) {
+            if (null != context.getWriteHandler()) {
-                context.getAfterWriteHandler().cell(i, cell);
+                context.getWriteHandler().cell(i, cell);
             }
         }
     }
@@ -114,24 +128,33 @@ public class ExcelBuilderImpl implements ExcelBuilder {
         BeanMap beanMap = BeanMap.create(oneRowData);
         for (ExcelColumnProperty excelHeadProperty : context.getExcelHeadProperty().getColumnPropertyList()) {
             BaseRowModel baseRowModel = (BaseRowModel)oneRowData;
-            String cellValue = TypeUtil.getFieldStringValue(beanMap, excelHeadProperty.getField().getName(),
-                excelHeadProperty.getFormat());
             CellStyle cellStyle = baseRowModel.getStyle(i) != null ? baseRowModel.getStyle(i)
                             : context.getCurrentContentStyle();
-            Cell cell = WorkBookUtil.createCell(row, i, cellStyle, cellValue,
+            Object value = beanMap.get(excelHeadProperty.getField().getName());
-                TypeUtil.isNum(excelHeadProperty.getField()));
+            Cell cell = WorkBookUtil.createCell(row, i, cellStyle);
-            if (null != context.getAfterWriteHandler()) {
+            cell = convertValue(cell, value, excelHeadProperty);
-                context.getAfterWriteHandler().cell(i, cell);
+            if (null != context.getWriteHandler()) {
+                context.getWriteHandler().cell(i, cell);
             }
             i++;
         }
+    }
 
+    private Cell convertValue(Cell cell, Object value, ExcelColumnProperty excelHeadProperty) {
+        if (!CollectionUtils.isEmpty(this.converters)) {
+            for (Converter c : this.converters) {
+                if (value != null && c.support(value)) {
+                    return c.convert(cell, value, excelHeadProperty);
+                }
+            }
+        }
+        return cell;
     }
 
     private void addOneRowOfDataToExcel(Object oneRowData, int n) {
         Row row = WorkBookUtil.createRow(context.getCurrentSheet(), n);
-        if (null != context.getAfterWriteHandler()) {
+        if (null != context.getWriteHandler()) {
-            context.getAfterWriteHandler().row(n, row);
+            context.getWriteHandler().row(n, row);
         }
         if (oneRowData instanceof List) {
             addBasicTypeToExcel((List)oneRowData, row);
@@ -139,4 +162,14 @@ public class ExcelBuilderImpl implements ExcelBuilder {
             addJavaObjectToExcel(oneRowData, row);
         }
     }
+
+    @Override
+    public void register(Converter converter) {
+        this.converters.add(converter);
+    }
+
+    @Override
+    public List<Converter> getConverters() {
+        return this.converters;
+    }
 }

src/main/java/com/alibaba/excel/write/MergeStrategy.java

@@ -0,0 +1,8 @@
+package com.alibaba.excel.write;
+
+public interface MergeStrategy {
+    int getFirstRow();
+    int getLastRow();
+    int getFirstCol();
+    int getLastCol();
+}

src/test/java/com/alibaba/easyexcel/test/WriteTest.java

@@ -1,5 +1,22 @@
 package com.alibaba.easyexcel.test;
 
+import static com.alibaba.easyexcel.test.util.DataUtil.createTableStyle;
+import static com.alibaba.easyexcel.test.util.DataUtil.createTestListJavaMode;
+import static com.alibaba.easyexcel.test.util.DataUtil.createTestListObject;
+import static com.alibaba.easyexcel.test.util.DataUtil.createTestListStringHead;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.Test;
+
 import com.alibaba.easyexcel.test.listen.AfterWriteHandlerImpl;
 import com.alibaba.easyexcel.test.model.WriteModel;
 import com.alibaba.easyexcel.test.util.FileUtil;
@@ -8,19 +25,13 @@ import com.alibaba.excel.ExcelWriter;
 import com.alibaba.excel.metadata.Sheet;
 import com.alibaba.excel.metadata.Table;
 import com.alibaba.excel.support.ExcelTypeEnum;
-import org.junit.Test;
+import com.alibaba.excel.write.MergeStrategy;
-
-import java.io.*;
-import java.util.HashMap;
-import java.util.Map;
-
-import static com.alibaba.easyexcel.test.util.DataUtil.*;
 
 public class WriteTest {
 
     @Test
     public void writeV2007() throws IOException {
-        OutputStream out = new FileOutputStream("/Users/jipengfei/2007.xlsx");
+        OutputStream out = new FileOutputStream(new File(FileUtil.getPath(), "write_2007.xlsx"));
         ExcelWriter writer = EasyExcelFactory.getWriter(out);
         // 写第一个sheet, sheet1 数据全是List<String> 无模型映射关系
         Sheet sheet1 = new Sheet(1, 3);
@@ -28,7 +39,10 @@ public class WriteTest {
 
         // 设置列宽 设置每列的宽度
         Map columnWidth = new HashMap();
-        columnWidth.put(0,10000);columnWidth.put(1,40000);columnWidth.put(2,10000);columnWidth.put(3,10000);
+        columnWidth.put(0, 10000);
+        columnWidth.put(1, 40000);
+        columnWidth.put(2, 10000);
+        columnWidth.put(3, 10000);
         sheet1.setColumnWidthMap(columnWidth);
         sheet1.setHead(createTestListStringHead());
         // or 设置自适应宽度
@@ -40,8 +54,31 @@ public class WriteTest {
         sheet2.setTableStyle(createTableStyle());
         // writer.write1(null, sheet2);
         writer.write(createTestListJavaMode(), sheet2);
+        List<MergeStrategy> strategies = new ArrayList<MergeStrategy>();
+        strategies.add(new MergeStrategy() {
+            @Override
+            public int getFirstRow() {
+                return 5;
+            }
+
+            @Override
+            public int getLastRow() {
+                return 20;
+            }
+
+            @Override
+            public int getFirstCol() {
+                return 1;
+            }
+
+            @Override
+            public int getLastCol() {
+                return 1;
+            }
+
+        });
         // 需要合并单元格
-        writer.merge(5,20,1,1);
+        writer.merge(strategies);
 
         // 写第三个sheet包含多个table情况
         Sheet sheet3 = new Sheet(3, 0);
@@ -65,7 +102,7 @@ public class WriteTest {
     @Test
     public void writeV2007WithTemplate() throws IOException {
         InputStream inputStream = FileUtil.getResourcesFileInputStream("temp.xlsx");
-        OutputStream out = new FileOutputStream("/Users/jipengfei/2007.xlsx");
+        OutputStream out = new FileOutputStream(new File(FileUtil.getPath(), "write_2007_1.xlsx"));
         ExcelWriter writer = EasyExcelFactory.getWriterWithTemp(inputStream, out, ExcelTypeEnum.XLSX, true);
         // 写第一个sheet, sheet1 数据全是List<String> 无模型映射关系
         Sheet sheet1 = new Sheet(1, 3);
@@ -74,7 +111,10 @@ public class WriteTest {
 
         // 设置列宽 设置每列的宽度
         Map columnWidth = new HashMap();
-        columnWidth.put(0,10000);columnWidth.put(1,40000);columnWidth.put(2,10000);columnWidth.put(3,10000);
+        columnWidth.put(0, 10000);
+        columnWidth.put(1, 40000);
+        columnWidth.put(2, 10000);
+        columnWidth.put(3, 10000);
         sheet1.setColumnWidthMap(columnWidth);
         sheet1.setHead(createTestListStringHead());
         // or 设置自适应宽度
@@ -109,7 +149,7 @@ public class WriteTest {
     @Test
     public void writeV2007WithTemplateAndHandler() throws IOException {
         InputStream inputStream = FileUtil.getResourcesFileInputStream("temp.xlsx");
-        OutputStream out = new FileOutputStream("/Users/jipengfei/2007.xlsx");
+        OutputStream out = new FileOutputStream(new File(FileUtil.getPath(), "write_2007_2.xlsx"));
         ExcelWriter writer = EasyExcelFactory.getWriterWithTempAndHandler(inputStream, out, ExcelTypeEnum.XLSX, true,
                         new AfterWriteHandlerImpl());
         // 写第一个sheet, sheet1 数据全是List<String> 无模型映射关系
@@ -119,7 +159,10 @@ public class WriteTest {
 
         // 设置列宽 设置每列的宽度
         Map columnWidth = new HashMap();
-        columnWidth.put(0,10000);columnWidth.put(1,40000);columnWidth.put(2,10000);columnWidth.put(3,10000);
+        columnWidth.put(0, 10000);
+        columnWidth.put(1, 40000);
+        columnWidth.put(2, 10000);
+        columnWidth.put(3, 10000);
         sheet1.setColumnWidthMap(columnWidth);
         sheet1.setHead(createTestListStringHead());
         // or 设置自适应宽度
@@ -155,7 +198,7 @@ public class WriteTest {
 
     @Test
     public void writeV2003() throws IOException {
-        OutputStream out = new FileOutputStream("/Users/jipengfei/2003.xls");
+        OutputStream out = new FileOutputStream(new File(FileUtil.getPath(), "write_2003.xlsx"));
         ExcelWriter writer = EasyExcelFactory.getWriter(out, ExcelTypeEnum.XLS, true);
         // 写第一个sheet, sheet1 数据全是List<String> 无模型映射关系
         Sheet sheet1 = new Sheet(1, 3);
@@ -163,7 +206,10 @@ public class WriteTest {
 
         // 设置列宽 设置每列的宽度
         Map columnWidth = new HashMap();
-        columnWidth.put(0,10000);columnWidth.put(1,40000);columnWidth.put(2,10000);columnWidth.put(3,10000);
+        columnWidth.put(0, 10000);
+        columnWidth.put(1, 40000);
+        columnWidth.put(2, 10000);
+        columnWidth.put(3, 10000);
         sheet1.setColumnWidthMap(columnWidth);
         sheet1.setHead(createTestListStringHead());
         // or 设置自适应宽度

src/test/java/com/alibaba/easyexcel/test/model/WriteModel.java

@@ -25,7 +25,7 @@ public class WriteModel extends BaseWriteModel {
     @ExcelProperty(value = {"表头6","表头61","表头612"},index = 6)
     private BigDecimal p7;
 
-    @ExcelProperty(value = {"表头6","表头62","表头621"},index = 7)
+    @ExcelProperty(value = {"表头6","表头62","表头621"},index = 7, format = "yyyy-MM-dd")
     private Date p8;
 
     @ExcelProperty(value = {"表头6","表头62","表头622"},index = 8)

src/test/java/com/alibaba/easyexcel/test/util/FileUtil.java

@@ -7,4 +7,8 @@ public class FileUtil {
     public static InputStream getResourcesFileInputStream(String fileName) {
         return Thread.currentThread().getContextClassLoader().getResourceAsStream("" + fileName);
     }
+    
+    public static String getPath() {
+        return FileUtil.class.getResource("/").getPath();
+    }
 }