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修复`table`、`sheet`中创建的拦截器不执行`workbook`事件的bug #1202

developing
Jiaju Zhuang 5 years ago
parent
commit
29a36b146c
  1. 23
      src/main/java/com/alibaba/excel/context/WriteContextImpl.java
  2. 66
      src/main/java/com/alibaba/excel/util/WriteHandlerUtils.java
  3. 52
      src/main/java/com/alibaba/excel/write/metadata/holder/AbstractWriteHolder.java
  4. 7
      src/main/java/com/alibaba/excel/write/metadata/holder/WriteHolder.java
  5. 12
      src/main/java/com/alibaba/excel/write/style/AbstractCellStyleStrategy.java
  6. 27
      src/test/java/com/alibaba/easyexcel/test/temp/simple/DemoData1.java
  7. 27
      src/test/java/com/alibaba/easyexcel/test/temp/simple/DemoData2.java
  8. 20
      src/test/java/com/alibaba/easyexcel/test/temp/simple/Wirte.java
  9. 1
      update.md

23
src/main/java/com/alibaba/excel/context/WriteContextImpl.java

@ -111,7 +111,14 @@ public class WriteContextImpl implements WriteContext {
if (selectSheetFromCache(writeSheet)) {
return;
}
initCurrentSheetHolder(writeSheet);
// Workbook handler need to supplementary execution
WriteHandlerUtils.beforeWorkbookCreate(this, true);
WriteHandlerUtils.afterWorkbookCreate(this, true);
// Initialization current sheet
initSheet(writeType);
}
@ -201,8 +208,8 @@ public class WriteContextImpl implements WriteContext {
if (currentWriteHolder.automaticMergeHead()) {
addMergedRegionToCurrentSheet(excelWriteHeadProperty, newRowIndex);
}
for (int relativeRowIndex = 0, i = newRowIndex; i < excelWriteHeadProperty.getHeadRowNumber() + newRowIndex;
i++, relativeRowIndex++) {
for (int relativeRowIndex = 0, i = newRowIndex; i < excelWriteHeadProperty.getHeadRowNumber()
+ newRowIndex; i++, relativeRowIndex++) {
WriteHandlerUtils.beforeRowCreate(this, newRowIndex, relativeRowIndex, Boolean.TRUE);
Row row = WorkBookUtil.createRow(writeSheetHolder.getSheet(), i);
WriteHandlerUtils.afterRowCreate(this, row, relativeRowIndex, Boolean.TRUE);
@ -227,7 +234,7 @@ public class WriteContextImpl implements WriteContext {
Cell cell = row.createCell(columnIndex);
WriteHandlerUtils.afterCellCreate(this, cell, head, relativeRowIndex, Boolean.TRUE);
cell.setCellValue(head.getHeadNameList().get(relativeRowIndex));
WriteHandlerUtils.afterCellDispose(this, (CellData)null, cell, head, relativeRowIndex, Boolean.TRUE);
WriteHandlerUtils.afterCellDispose(this, (CellData) null, cell, head, relativeRowIndex, Boolean.TRUE);
}
}
@ -251,7 +258,15 @@ public class WriteContextImpl implements WriteContext {
}
return;
}
initCurrentTableHolder(writeTable);
// Workbook and sheet handler need to supplementary execution
WriteHandlerUtils.beforeWorkbookCreate(this, true);
WriteHandlerUtils.afterWorkbookCreate(this, true);
WriteHandlerUtils.beforeSheetCreate(this, true);
WriteHandlerUtils.afterSheetCreate(this, true);
initHead(writeTableHolder.excelWriteHeadProperty());
}
@ -322,7 +337,7 @@ public class WriteContextImpl implements WriteContext {
try {
Workbook workbook = writeWorkbookHolder.getWorkbook();
if (workbook instanceof SXSSFWorkbook) {
((SXSSFWorkbook)workbook).dispose();
((SXSSFWorkbook) workbook).dispose();
}
} catch (Throwable t) {
throwable = t;

66
src/main/java/com/alibaba/excel/util/WriteHandlerUtils.java

@ -2,6 +2,7 @@ package com.alibaba.excel.util;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
@ -24,66 +25,82 @@ public class WriteHandlerUtils {
private WriteHandlerUtils() {}
public static void beforeWorkbookCreate(WriteContext writeContext) {
List<WriteHandler> handlerList =
writeContext.writeWorkbookHolder().writeHandlerMap().get(WorkbookWriteHandler.class);
beforeWorkbookCreate(writeContext, false);
}
public static void beforeWorkbookCreate(WriteContext writeContext, boolean runOwn) {
List<WriteHandler> handlerList = getHandlerList(writeContext, WorkbookWriteHandler.class, runOwn);
if (handlerList == null || handlerList.isEmpty()) {
return;
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof WorkbookWriteHandler) {
((WorkbookWriteHandler)writeHandler).beforeWorkbookCreate();
((WorkbookWriteHandler) writeHandler).beforeWorkbookCreate();
}
}
}
public static void afterWorkbookCreate(WriteContext writeContext) {
List<WriteHandler> handlerList =
writeContext.writeWorkbookHolder().writeHandlerMap().get(WorkbookWriteHandler.class);
afterWorkbookCreate(writeContext, false);
}
public static void afterWorkbookCreate(WriteContext writeContext, boolean runOwn) {
List<WriteHandler> handlerList = getHandlerList(writeContext, WorkbookWriteHandler.class, runOwn);
if (handlerList == null || handlerList.isEmpty()) {
return;
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof WorkbookWriteHandler) {
((WorkbookWriteHandler)writeHandler).afterWorkbookCreate(writeContext.writeWorkbookHolder());
((WorkbookWriteHandler) writeHandler).afterWorkbookCreate(writeContext.writeWorkbookHolder());
}
}
}
public static void afterWorkbookDispose(WriteContext writeContext) {
List<WriteHandler> handlerList =
writeContext.writeWorkbookHolder().writeHandlerMap().get(WorkbookWriteHandler.class);
writeContext.currentWriteHolder().writeHandlerMap().get(WorkbookWriteHandler.class);
if (handlerList == null || handlerList.isEmpty()) {
return;
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof WorkbookWriteHandler) {
((WorkbookWriteHandler)writeHandler).afterWorkbookDispose(writeContext.writeWorkbookHolder());
((WorkbookWriteHandler) writeHandler).afterWorkbookDispose(writeContext.writeWorkbookHolder());
}
}
}
public static void beforeSheetCreate(WriteContext writeContext) {
List<WriteHandler> handlerList = writeContext.writeSheetHolder().writeHandlerMap().get(SheetWriteHandler.class);
beforeSheetCreate(writeContext, false);
}
public static void beforeSheetCreate(WriteContext writeContext, boolean runOwn) {
List<WriteHandler> handlerList = getHandlerList(writeContext, SheetWriteHandler.class, runOwn);
if (handlerList == null || handlerList.isEmpty()) {
return;
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof SheetWriteHandler) {
((SheetWriteHandler)writeHandler).beforeSheetCreate(writeContext.writeWorkbookHolder(),
((SheetWriteHandler) writeHandler).beforeSheetCreate(writeContext.writeWorkbookHolder(),
writeContext.writeSheetHolder());
}
}
}
public static void afterSheetCreate(WriteContext writeContext) {
List<WriteHandler> handlerList = writeContext.writeSheetHolder().writeHandlerMap().get(SheetWriteHandler.class);
afterSheetCreate(writeContext, false);
}
public static void afterSheetCreate(WriteContext writeContext, boolean runOwn) {
List<WriteHandler> handlerList = getHandlerList(writeContext, SheetWriteHandler.class, runOwn);
if (handlerList == null || handlerList.isEmpty()) {
return;
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof SheetWriteHandler) {
((SheetWriteHandler)writeHandler).afterSheetCreate(writeContext.writeWorkbookHolder(),
((SheetWriteHandler) writeHandler).afterSheetCreate(writeContext.writeWorkbookHolder(),
writeContext.writeSheetHolder());
}
}
@ -102,7 +119,7 @@ public class WriteHandlerUtils {
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof CellWriteHandler) {
((CellWriteHandler)writeHandler).beforeCellCreate(writeContext.writeSheetHolder(),
((CellWriteHandler) writeHandler).beforeCellCreate(writeContext.writeSheetHolder(),
writeContext.writeTableHolder(), row, head, columnIndex, relativeRowIndex, isHead);
}
}
@ -117,7 +134,7 @@ public class WriteHandlerUtils {
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof CellWriteHandler) {
((CellWriteHandler)writeHandler).afterCellCreate(writeContext.writeSheetHolder(),
((CellWriteHandler) writeHandler).afterCellCreate(writeContext.writeSheetHolder(),
writeContext.writeTableHolder(), cell, head, relativeRowIndex, isHead);
}
}
@ -132,7 +149,7 @@ public class WriteHandlerUtils {
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof CellWriteHandler) {
((CellWriteHandler)writeHandler).afterCellDataConverted(writeContext.writeSheetHolder(),
((CellWriteHandler) writeHandler).afterCellDataConverted(writeContext.writeSheetHolder(),
writeContext.writeTableHolder(), cellData, cell, head, relativeRowIndex, isHead);
}
}
@ -156,7 +173,7 @@ public class WriteHandlerUtils {
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof CellWriteHandler) {
((CellWriteHandler)writeHandler).afterCellDispose(writeContext.writeSheetHolder(),
((CellWriteHandler) writeHandler).afterCellDispose(writeContext.writeSheetHolder(),
writeContext.writeTableHolder(), cellDataList, cell, head, relativeRowIndex, isHead);
}
}
@ -173,7 +190,7 @@ public class WriteHandlerUtils {
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof RowWriteHandler) {
((RowWriteHandler)writeHandler).beforeRowCreate(writeContext.writeSheetHolder(),
((RowWriteHandler) writeHandler).beforeRowCreate(writeContext.writeSheetHolder(),
writeContext.writeTableHolder(), rowIndex, relativeRowIndex, isHead);
}
}
@ -186,7 +203,7 @@ public class WriteHandlerUtils {
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof RowWriteHandler) {
((RowWriteHandler)writeHandler).afterRowCreate(writeContext.writeSheetHolder(),
((RowWriteHandler) writeHandler).afterRowCreate(writeContext.writeSheetHolder(),
writeContext.writeTableHolder(), row, relativeRowIndex, isHead);
}
}
@ -200,7 +217,7 @@ public class WriteHandlerUtils {
}
for (WriteHandler writeHandler : handlerList) {
if (writeHandler instanceof RowWriteHandler) {
((RowWriteHandler)writeHandler).afterRowDispose(writeContext.writeSheetHolder(),
((RowWriteHandler) writeHandler).afterRowDispose(writeContext.writeSheetHolder(),
writeContext.writeTableHolder(), row, relativeRowIndex, isHead);
}
}
@ -208,4 +225,15 @@ public class WriteHandlerUtils {
writeContext.writeWorkbookHolder().getWriteWorkbook().getWriteHandler().row(row.getRowNum(), row);
}
}
private static List<WriteHandler> getHandlerList(WriteContext writeContext, Class<? extends WriteHandler> clazz,
boolean runOwn) {
Map<Class<? extends WriteHandler>, List<WriteHandler>> writeHandlerMap;
if (runOwn) {
writeHandlerMap = writeContext.currentWriteHolder().ownWriteHandlerMap();
} else {
writeHandlerMap = writeContext.currentWriteHolder().writeHandlerMap();
}
return writeHandlerMap.get(WorkbookWriteHandler.class);
}
}

52
src/main/java/com/alibaba/excel/write/metadata/holder/AbstractWriteHolder.java

@ -64,9 +64,14 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
*/
private ExcelWriteHeadProperty excelWriteHeadProperty;
/**
* Write handler for workbook
* Write handler
*/
private Map<Class<? extends WriteHandler>, List<WriteHandler>> writeHandlerMap;
/**
* Own write handler.Created in the sheet in the workbook interceptors will not be executed because the workbook to
* create an event long past. So when initializing sheet, supplementary workbook event.
*/
private Map<Class<? extends WriteHandler>, List<WriteHandler>> ownWriteHandlerMap;
/**
* Use the default style.Default is true.
*/
@ -177,21 +182,22 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
List<WriteHandler> handlerList = new ArrayList<WriteHandler>();
// Initialization Annotation
initAnnotationConfig(handlerList);
initAnnotationConfig(handlerList, writeBasicParameter);
if (writeBasicParameter.getCustomWriteHandlerList() != null
&& !writeBasicParameter.getCustomWriteHandlerList().isEmpty()) {
handlerList.addAll(writeBasicParameter.getCustomWriteHandlerList());
}
this.ownWriteHandlerMap = sortAndClearUpHandler(handlerList);
Map<Class<? extends WriteHandler>, List<WriteHandler>> parentWriteHandlerMap = null;
if (parentAbstractWriteHolder != null) {
parentWriteHandlerMap = parentAbstractWriteHolder.getWriteHandlerMap();
} else {
handlerList.addAll(DefaultWriteHandlerLoader.loadDefaultHandler(useDefaultStyle));
}
this.writeHandlerMap = sortAndClearUpHandler(handlerList, parentWriteHandlerMap);
this.writeHandlerMap = sortAndClearUpAllHandler(handlerList, parentWriteHandlerMap);
// Set converterMap
if (parentAbstractWriteHolder == null) {
@ -215,13 +221,13 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
switch (holderType()) {
case SHEET:
compatibleOldCodeCreateRowCellStyleStrategy(writeBasicParameter,
((WriteSheet)writeBasicParameter).getTableStyle());
((WriteSheet) writeBasicParameter).getTableStyle());
compatibleOldCodeCreateHeadColumnWidthStyleStrategy(writeBasicParameter,
((WriteSheet)writeBasicParameter).getColumnWidthMap());
((WriteSheet) writeBasicParameter).getColumnWidthMap());
return;
case TABLE:
compatibleOldCodeCreateRowCellStyleStrategy(writeBasicParameter,
((WriteTable)writeBasicParameter).getTableStyle());
((WriteTable) writeBasicParameter).getTableStyle());
return;
default:
}
@ -279,10 +285,13 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
});
}
protected void initAnnotationConfig(List<WriteHandler> handlerList) {
protected void initAnnotationConfig(List<WriteHandler> handlerList, WriteBasicParameter writeBasicParameter) {
if (!HeadKindEnum.CLASS.equals(getExcelWriteHeadProperty().getHeadKind())) {
return;
}
if (writeBasicParameter.getClazz() == null) {
return;
}
Map<Integer, Head> headMap = getExcelWriteHeadProperty().getHeadMap();
boolean hasColumnWidth = false;
boolean hasStyle = false;
@ -308,7 +317,6 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
dealRowHigh(handlerList);
dealOnceAbsoluteMerge(handlerList);
}
private void dealStyle(List<WriteHandler> handlerList) {
@ -376,9 +384,9 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
handlerList.add(columnWidthStyleStrategy);
}
protected Map<Class<? extends WriteHandler>, List<WriteHandler>> sortAndClearUpHandler(
List<WriteHandler> handlerList, Map<Class<? extends WriteHandler>, List<WriteHandler>> parentHandlerMap) {
protected Map<Class<? extends WriteHandler>, List<WriteHandler>> sortAndClearUpAllHandler(
List<WriteHandler> handlerList, Map<Class<? extends WriteHandler>, List<WriteHandler>> parentHandlerMap) {
// add
if (parentHandlerMap != null) {
List<WriteHandler> parentWriteHandler = parentHandlerMap.get(WriteHandler.class);
@ -386,13 +394,17 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
handlerList.addAll(parentWriteHandler);
}
}
return sortAndClearUpHandler(handlerList);
}
protected Map<Class<? extends WriteHandler>, List<WriteHandler>> sortAndClearUpHandler(
List<WriteHandler> handlerList) {
// sort
Map<Integer, List<WriteHandler>> orderExcelWriteHandlerMap = new TreeMap<Integer, List<WriteHandler>>();
for (WriteHandler handler : handlerList) {
int order = Integer.MIN_VALUE;
if (handler instanceof Order) {
order = ((Order)handler).order();
order = ((Order) handler).order();
}
if (orderExcelWriteHandlerMap.containsKey(order)) {
orderExcelWriteHandlerMap.get(order).add(handler);
@ -408,7 +420,7 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
for (Map.Entry<Integer, List<WriteHandler>> entry : orderExcelWriteHandlerMap.entrySet()) {
for (WriteHandler handler : entry.getValue()) {
if (handler instanceof NotRepeatExecutor) {
String uniqueValue = ((NotRepeatExecutor)handler).uniqueValue();
String uniqueValue = ((NotRepeatExecutor) handler).uniqueValue();
if (alreadyExistedHandlerSet.contains(uniqueValue)) {
continue;
}
@ -480,6 +492,15 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
this.writeHandlerMap = writeHandlerMap;
}
public Map<Class<? extends WriteHandler>, List<WriteHandler>> getOwnWriteHandlerMap() {
return ownWriteHandlerMap;
}
public void setOwnWriteHandlerMap(
Map<Class<? extends WriteHandler>, List<WriteHandler>> ownWriteHandlerMap) {
this.ownWriteHandlerMap = ownWriteHandlerMap;
}
public ExcelWriteHeadProperty getExcelWriteHeadProperty() {
return excelWriteHeadProperty;
}
@ -554,6 +575,11 @@ public abstract class AbstractWriteHolder extends AbstractHolder implements Writ
return getWriteHandlerMap();
}
@Override
public Map<Class<? extends WriteHandler>, List<WriteHandler>> ownWriteHandlerMap() {
return getOwnWriteHandlerMap();
}
@Override
public boolean needHead() {
return getNeedHead();

7
src/main/java/com/alibaba/excel/write/metadata/holder/WriteHolder.java

@ -28,6 +28,13 @@ public interface WriteHolder extends ConfigurationHolder {
*/
Map<Class<? extends WriteHandler>, List<WriteHandler>> writeHandlerMap();
/**
* create your own write handler.
*
* @return
*/
Map<Class<? extends WriteHandler>, List<WriteHandler>> ownWriteHandlerMap();
/**
* Is to determine if a field needs to be ignored
*

12
src/main/java/com/alibaba/excel/write/style/AbstractCellStyleStrategy.java

@ -11,6 +11,7 @@ import com.alibaba.excel.metadata.CellData;
import com.alibaba.excel.metadata.Head;
import com.alibaba.excel.write.handler.CellWriteHandler;
import com.alibaba.excel.write.handler.SheetWriteHandler;
import com.alibaba.excel.write.handler.WorkbookWriteHandler;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteTableHolder;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
@ -20,7 +21,7 @@ import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
*
* @author Jiaju Zhuang
*/
public abstract class AbstractCellStyleStrategy implements CellWriteHandler, SheetWriteHandler, NotRepeatExecutor {
public abstract class AbstractCellStyleStrategy implements CellWriteHandler, WorkbookWriteHandler, NotRepeatExecutor {
boolean hasInitialized = false;
@Override
@ -60,16 +61,21 @@ public abstract class AbstractCellStyleStrategy implements CellWriteHandler, She
}
@Override
public void beforeSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
public void beforeWorkbookCreate() {
}
@Override
public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
public void afterWorkbookCreate(WriteWorkbookHolder writeWorkbookHolder) {
initCellStyle(writeWorkbookHolder.getWorkbook());
hasInitialized = true;
}
@Override
public void afterWorkbookDispose(WriteWorkbookHolder writeWorkbookHolder) {
}
/**
* Initialization cell style
*

27
src/test/java/com/alibaba/easyexcel/test/temp/simple/DemoData1.java

@ -0,0 +1,27 @@
package com.alibaba.easyexcel.test.temp.simple;
import java.util.Date;
import org.apache.poi.ss.usermodel.FillPatternType;
import com.alibaba.excel.annotation.ExcelIgnore;
import com.alibaba.excel.annotation.ExcelProperty;
import com.alibaba.excel.annotation.write.style.HeadStyle;
import lombok.Data;
@Data
public class DemoData1 {
@ExcelProperty("字符串标题")
@HeadStyle(fillPatternType = FillPatternType.SOLID_FOREGROUND, fillForegroundColor = 42)
private String string;
@ExcelProperty("日期标题")
private Date date;
@ExcelProperty("数字标题")
private Double doubleData;
/**
* 忽略这个字段
*/
@ExcelIgnore
private String ignore;
}

27
src/test/java/com/alibaba/easyexcel/test/temp/simple/DemoData2.java

@ -0,0 +1,27 @@
package com.alibaba.easyexcel.test.temp.simple;
import java.util.Date;
import org.apache.poi.ss.usermodel.FillPatternType;
import com.alibaba.excel.annotation.ExcelIgnore;
import com.alibaba.excel.annotation.ExcelProperty;
import com.alibaba.excel.annotation.write.style.HeadStyle;
import lombok.Data;
@Data
public class DemoData2 {
@ExcelProperty("字符串标题")
@HeadStyle(fillPatternType = FillPatternType.SOLID_FOREGROUND, fillForegroundColor = 42)
private String string;
@ExcelProperty("日期标题")
private Date date;
@ExcelProperty("数字标题")
private Double doubleData;
/**
* 忽略这个字段
*/
@ExcelIgnore
private String ignore;
}

20
src/test/java/com/alibaba/easyexcel/test/temp/simple/Wirte.java

@ -14,6 +14,9 @@ import com.alibaba.easyexcel.test.core.large.LargeData;
import com.alibaba.easyexcel.test.demo.write.DemoData;
import com.alibaba.easyexcel.test.util.TestFileUtil;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.excel.write.metadata.WriteTable;
import com.alibaba.fastjson.JSON;
import net.sf.cglib.beans.BeanMap;
@ -75,6 +78,23 @@ public class Wirte {
}
@Test
public void tableWrite() {
String fileName = TestFileUtil.getPath() + "tableWrite" + System.currentTimeMillis() + ".xlsx";
// 这里直接写多个table的案例了,如果只有一个 也可以直一行代码搞定,参照其他案例
// 这里 需要指定写用哪个class去写
ExcelWriter excelWriter = EasyExcel.write(fileName).build();
// 把sheet设置为不需要头 不然会输出sheet的头 这样看起来第一个table 就有2个头了
WriteSheet writeSheet = EasyExcel.writerSheet("模板").build();
// 这里必须指定需要头,table 会继承sheet的配置,sheet配置了不需要,table 默认也是不需要
WriteTable writeTable0 = EasyExcel.writerTable(0).head(DemoData1.class).build();
// 第一次写入会创建头
excelWriter.write(data(), writeSheet, writeTable0);
// 第二次写如也会创建头,然后在第一次的后面写入数据
/// 千万别忘记finish 会帮忙关闭流
excelWriter.finish();
}
private List<List<String>> head() {
List<List<String>> list = new ArrayList<List<String>>();
List<String> head0 = new ArrayList<String>();

1
update.md

@ -5,6 +5,7 @@
* 新增支持自定义转换器 入参可以为空 实现`NullableObjectConverter` 即可 [Issue #1084](https://github.com/alibaba/easyexcel/issues/1084)
* 修复xls丢失结束标记的情况下 会漏读最后一行
* 修复填充的时候 多次`forceNewRow` 空指针的bug [Issue #1201](https://github.com/alibaba/easyexcel/issues/1201)
* 修复`table`、`sheet`中创建的拦截器不执行`workbook`事件的bug [Issue #1202](https://github.com/alibaba/easyexcel/issues/1202)
# 2.2.0-beta2
* 修复最长匹配策略不同表格会有影响的bug [Issue #1010](https://github.com/alibaba/easyexcel/issues/1010)

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