easyexcel 导出单元格设置默认值
时间: 2023-09-03 17:07:19 浏览: 255
在EasyExcel导出中,可以通过设置单元格样式来设置默认值。可以通过实现WriteHandler接口自定义一个自己的写处理器,然后在写处理器中设置单元格的默认值。
首先,在EasyExcel导出时,创建一个实现WriteHandler接口的自定义写处理器CustomCellWriteHandler。在该处理器中,可以重写afterCellDispose方法,在该方法中设置默认值。具体代码如下所示:
```java
public class CustomCellWriteHandler implements WriteHandler {
@Override
public void afterCellDispose(WriteSheetHolder writeSheetHolder, CellData cellData, Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) {
// 判断是否为数据行且单元格值为空
if (!isHead && cellData == null) {
// 设置默认值
cell.setCellValue("默认值");
}
}
// 省略其他方法...
}
```
然后,在导出时注册该自定义写处理器,即可实现设置默认值的功能。具体代码如下所示:
```java
WriteSheet writeSheet = EasyExcel.writerSheet(i, "Sheet" + (i + 1))
.registerWriteHandler(new CustomCellWriteHandler())
// 省略其他设置...
.build();
```
通过以上步骤,就可以在EasyExcel导出中设置单元格的默认值了。自定义写处理器会在导出时被调用,并根据设置的逻辑设置单元格的值。这样,即可实现导出单元格设置默认值的需求。<span class="em">1</span><span class="em">2</span>
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