加入默认转换器

src/main/java/com/alibaba/excel/converters/bigdecimal/BigDecimalNumberConverter.java

@@ -26,7 +26,7 @@ public class BigDecimalNumberConverter implements Converter<BigDecimal> {
 
     @Override
     public BigDecimal convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
-        return new BigDecimal(cellData.getDoubleValue());
+        return BigDecimal.valueOf(cellData.getDoubleValue());
     }
 
     @Override

src/main/java/com/alibaba/excel/converters/bigdecimal/BigDecimalStringConverter.java

@@ -1,14 +1,12 @@
 package com.alibaba.excel.converters.bigdecimal;
 
 import java.math.BigDecimal;
-import java.math.RoundingMode;
-import java.text.DecimalFormat;
 
 import com.alibaba.excel.converters.Converter;
 import com.alibaba.excel.enums.CellDataTypeEnum;
 import com.alibaba.excel.metadata.CellData;
 import com.alibaba.excel.metadata.property.ExcelContentProperty;
-import com.alibaba.excel.util.StringUtils;
+import com.alibaba.excel.util.NumberUtils;
 
 /**
  * BigDecimal and string converter
@@ -34,17 +32,6 @@ public class BigDecimalStringConverter implements Converter<BigDecimal> {
 
     @Override
     public CellData convertToExcelData(BigDecimal value, ExcelContentProperty contentProperty) {
-        String format = null;
-        RoundingMode roundingMode = RoundingMode.HALF_UP;
-        if (contentProperty.getNumberFormatProperty() != null) {
-            format = contentProperty.getNumberFormatProperty().getFormat();
-            roundingMode = contentProperty.getNumberFormatProperty().getRoundingMode();
-        }
-        if (StringUtils.isEmpty(format)) {
-            return new CellData(value.toString());
-        }
-        DecimalFormat decimalFormat = new DecimalFormat(format);
-        decimalFormat.setRoundingMode(roundingMode);
-        return new CellData(decimalFormat.format(value));
+        return NumberUtils.formatToCellData(value, contentProperty);
     }
 }

src/main/java/com/alibaba/excel/converters/byteconverter/ByteNumberConverter.java

@@ -29,7 +29,7 @@ public class ByteNumberConverter implements Converter<Byte> {
 
     @Override
     public CellData convertToExcelData(Byte value, ExcelContentProperty contentProperty) {
-        return new CellData((double)value);
+        return new CellData(value.doubleValue());
     }
 
 }

src/main/java/com/alibaba/excel/converters/byteconverter/ByteStringConverter.java

@@ -4,6 +4,7 @@ import com.alibaba.excel.converters.Converter;
 import com.alibaba.excel.enums.CellDataTypeEnum;
 import com.alibaba.excel.metadata.CellData;
 import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.NumberUtils;
 
 /**
  * Byte and string converter
@@ -29,7 +30,7 @@ public class ByteStringConverter implements Converter<Byte> {
 
     @Override
     public CellData convertToExcelData(Byte value, ExcelContentProperty contentProperty) {
-        return new CellData(value.toString());
+        return NumberUtils.formatToCellData(value, contentProperty);
     }
 
 }

src/main/java/com/alibaba/excel/converters/doubleconverter/DoubleBooleanConverter.java

@@ -6,17 +6,17 @@ import com.alibaba.excel.metadata.CellData;
 import com.alibaba.excel.metadata.property.ExcelContentProperty;
 
 /**
- * Byte and boolean converter
+ * Double and boolean converter
  *
  * @author zhuangjiaju
  */
-public class ByteBooleanConverter implements Converter<Byte> {
-    private static final Byte ONE = (byte)1;
-    private static final Byte ZERO = (byte)0;
+public class DoubleBooleanConverter implements Converter<Double> {
+    private static final Double ONE = 1.0;
+    private static final Double ZERO = 0.0;
 
     @Override
     public Class supportJavaTypeKey() {
-        return Byte.class;
+        return Double.class;
     }
 
     @Override
@@ -25,7 +25,7 @@ public class ByteBooleanConverter implements Converter<Byte> {
     }
 
     @Override
-    public Byte convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+    public Double convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
         if (cellData.getBooleanValue()) {
             return ONE;
         }
@@ -33,7 +33,7 @@ public class ByteBooleanConverter implements Converter<Byte> {
     }
 
     @Override
-    public CellData convertToExcelData(Byte value, ExcelContentProperty contentProperty) {
+    public CellData convertToExcelData(Double value, ExcelContentProperty contentProperty) {
         if (ONE.equals(value)) {
             return new CellData(Boolean.TRUE);
         }

src/main/java/com/alibaba/excel/converters/doubleconverter/DoubleNumberConverter.java

@@ -23,12 +23,12 @@ public class DoubleNumberConverter implements Converter<Double> {
     }
 
     @Override
-    public Double convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) throws Exception {
+    public Double convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
         return cellData.getDoubleValue();
     }
 
     @Override
-    public CellData convertToExcelData(Double value, ExcelContentProperty contentProperty) throws Exception {
+    public CellData convertToExcelData(Double value, ExcelContentProperty contentProperty) {
         return new CellData(value);
     }
 

src/main/java/com/alibaba/excel/converters/doubleconverter/DoubleStringConverter.java

@@ -4,6 +4,7 @@ import com.alibaba.excel.converters.Converter;
 import com.alibaba.excel.enums.CellDataTypeEnum;
 import com.alibaba.excel.metadata.CellData;
 import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.NumberUtils;
 
 /**
  * Double and string converter
@@ -29,6 +30,6 @@ public class DoubleStringConverter implements Converter<Double> {
 
     @Override
     public CellData convertToExcelData(Double value, ExcelContentProperty contentProperty) {
-        return new CellData(value.toString());
+        return NumberUtils.formatToCellData(value, contentProperty);
     }
 }

src/main/java/com/alibaba/excel/converters/floatconverter/FloatBooleanConverter.java

@@ -0,0 +1,43 @@
+package com.alibaba.excel.converters.floatconverter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Float and boolean converter
+ *
+ * @author zhuangjiaju
+ */
+public class FloatBooleanConverter implements Converter<Float> {
+    private static final Float ONE = (float)1.0;
+    private static final Float ZERO = (float)0.0;
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Float.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.BOOLEAN;
+    }
+
+    @Override
+    public Float convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        if (cellData.getBooleanValue()) {
+            return ONE;
+        }
+        return ZERO;
+    }
+
+    @Override
+    public CellData convertToExcelData(Float value, ExcelContentProperty contentProperty) {
+        if (ONE.equals(value)) {
+            return new CellData(Boolean.TRUE);
+        }
+        return new CellData(Boolean.FALSE);
+    }
+
+}

src/main/java/com/alibaba/excel/converters/floatconverter/FloatNumberConverter.java

@@ -0,0 +1,35 @@
+package com.alibaba.excel.converters.floatconverter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Float and number converter
+ *
+ * @author zhuangjiaju
+ */
+public class FloatNumberConverter implements Converter<Float> {
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Float.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.NUMBER;
+    }
+
+    @Override
+    public Float convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        return cellData.getDoubleValue().floatValue();
+    }
+
+    @Override
+    public CellData convertToExcelData(Float value, ExcelContentProperty contentProperty) {
+        return new CellData(value.doubleValue());
+    }
+
+}

src/main/java/com/alibaba/excel/converters/floatconverter/FloatStringConverter.java

@@ -0,0 +1,35 @@
+package com.alibaba.excel.converters.floatconverter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.NumberUtils;
+
+/**
+ * Float and string converter
+ *
+ * @author zhuangjiaju
+ */
+public class FloatStringConverter implements Converter<Float> {
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Float.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.STRING;
+    }
+
+    @Override
+    public Float convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        return Float.valueOf(cellData.getStringValue());
+    }
+
+    @Override
+    public CellData convertToExcelData(Float value, ExcelContentProperty contentProperty) {
+        return NumberUtils.formatToCellData(value, contentProperty);
+    }
+}

src/main/java/com/alibaba/excel/converters/integer/IntegerBooleanConverter.java

@@ -0,0 +1,43 @@
+package com.alibaba.excel.converters.integer;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Integer and boolean converter
+ *
+ * @author zhuangjiaju
+ */
+public class IntegerBooleanConverter implements Converter<Integer> {
+    private static final Integer ONE = 1;
+    private static final Integer ZERO = 0;
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Integer.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.BOOLEAN;
+    }
+
+    @Override
+    public Integer convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        if (cellData.getBooleanValue()) {
+            return ONE;
+        }
+        return ZERO;
+    }
+
+    @Override
+    public CellData convertToExcelData(Integer value, ExcelContentProperty contentProperty) {
+        if (ONE.equals(value)) {
+            return new CellData(Boolean.TRUE);
+        }
+        return new CellData(Boolean.FALSE);
+    }
+
+}

src/main/java/com/alibaba/excel/converters/integer/IntegerNumberConverter.java

@@ -0,0 +1,35 @@
+package com.alibaba.excel.converters.integer;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Integer and number converter
+ *
+ * @author zhuangjiaju
+ */
+public class IntegerNumberConverter implements Converter<Integer> {
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Integer.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.NUMBER;
+    }
+
+    @Override
+    public Integer convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        return cellData.getDoubleValue().intValue();
+    }
+
+    @Override
+    public CellData convertToExcelData(Integer value, ExcelContentProperty contentProperty) {
+        return new CellData(value.doubleValue());
+    }
+
+}

src/main/java/com/alibaba/excel/converters/integer/IntegerStringConverter.java

@@ -0,0 +1,35 @@
+package com.alibaba.excel.converters.integer;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.NumberUtils;
+
+/**
+ * Integer and string converter
+ *
+ * @author zhuangjiaju
+ */
+public class IntegerStringConverter implements Converter<Integer> {
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Integer.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.STRING;
+    }
+
+    @Override
+    public Integer convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        return Integer.valueOf(cellData.getStringValue());
+    }
+
+    @Override
+    public CellData convertToExcelData(Integer value, ExcelContentProperty contentProperty) {
+        return NumberUtils.formatToCellData(value, contentProperty);
+    }
+}

src/main/java/com/alibaba/excel/converters/longconverter/IntegerBooleanConverter.java

@@ -0,0 +1,43 @@
+package com.alibaba.excel.converters.longconverter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Integer and boolean converter
+ *
+ * @author zhuangjiaju
+ */
+public class IntegerBooleanConverter implements Converter<Integer> {
+    private static final Integer ONE = 1;
+    private static final Integer ZERO = 0;
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Integer.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.BOOLEAN;
+    }
+
+    @Override
+    public Integer convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        if (cellData.getBooleanValue()) {
+            return ONE;
+        }
+        return ZERO;
+    }
+
+    @Override
+    public CellData convertToExcelData(Integer value, ExcelContentProperty contentProperty) {
+        if (ONE.equals(value)) {
+            return new CellData(Boolean.TRUE);
+        }
+        return new CellData(Boolean.FALSE);
+    }
+
+}

src/main/java/com/alibaba/excel/converters/longconverter/LongNumberConverter.java

@@ -0,0 +1,35 @@
+package com.alibaba.excel.converters.longconverter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Long and number converter
+ *
+ * @author zhuangjiaju
+ */
+public class LongNumberConverter implements Converter<Long> {
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Long.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.NUMBER;
+    }
+
+    @Override
+    public Long convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        return cellData.getDoubleValue().longValue();
+    }
+
+    @Override
+    public CellData convertToExcelData(Long value, ExcelContentProperty contentProperty) {
+        return new CellData(value.doubleValue());
+    }
+
+}

src/main/java/com/alibaba/excel/converters/longconverter/LongStringConverter.java

@@ -0,0 +1,35 @@
+package com.alibaba.excel.converters.longconverter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import com.alibaba.excel.util.NumberUtils;
+
+/**
+ * Long and string converter
+ *
+ * @author zhuangjiaju
+ */
+public class LongStringConverter implements Converter<Long> {
+
+    @Override
+    public Class supportJavaTypeKey() {
+        return Long.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.STRING;
+    }
+
+    @Override
+    public Long convertToJavaData(CellData cellData, ExcelContentProperty contentProperty) {
+        return Long.valueOf(cellData.getStringValue());
+    }
+
+    @Override
+    public CellData convertToExcelData(Long value, ExcelContentProperty contentProperty) {
+        return NumberUtils.formatToCellData(value, contentProperty);
+    }
+}

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

@@ -0,0 +1,35 @@
+package com.alibaba.excel.util;
+
+import java.math.RoundingMode;
+import java.text.DecimalFormat;
+
+import com.alibaba.excel.metadata.CellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+/**
+ * Number utils
+ * 
+ * @author zhuangjiaju
+ */
+public class NumberUtils {
+    private NumberUtils() {}
+
+    /**
+     * format
+     * 
+     * @param num
+     * @param contentProperty
+     * @return
+     */
+    public static CellData formatToCellData(Number num, ExcelContentProperty contentProperty) {
+        if (contentProperty.getNumberFormatProperty() == null
+            || StringUtils.isEmpty(contentProperty.getNumberFormatProperty().getFormat())) {
+            return new CellData(num.toString());
+        }
+        String format = contentProperty.getNumberFormatProperty().getFormat();
+        RoundingMode roundingMode = contentProperty.getNumberFormatProperty().getRoundingMode();
+        DecimalFormat decimalFormat = new DecimalFormat(format);
+        decimalFormat.setRoundingMode(roundingMode);
+        return new CellData(decimalFormat.format(num));
+    }
+}