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@ -853,6 +853,67 @@ public class LongestMatchColumnWidthData {
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![img](img/readme/quickstart/write/customHandlerWrite.png) |
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##### 对象 |
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参照:[对象](#simpleWriteObject) |
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##### 定义拦截器 |
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````java |
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/** |
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* 自定义拦截器。对第一行第一列的头超链接到:https://github.com/alibaba/easyexcel |
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* |
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* @author Jiaju Zhuang |
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*/ |
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public class CustomCellWriteHandler implements CellWriteHandler { |
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private static final Logger LOGGER = LoggerFactory.getLogger(CustomCellWriteHandler.class); |
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@Override |
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public void beforeCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, Row row, |
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Head head, int relativeRowIndex, boolean isHead) { |
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} |
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@Override |
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public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, CellData cellData, |
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Cell cell, Head head, int relativeRowIndex, boolean isHead) { |
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// 这里可以对cell进行任何操作 |
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LOGGER.info("第{}行,第{}列写入完成。", cell.getRowIndex(), cell.getColumnIndex()); |
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if (isHead && cell.getColumnIndex() == 0) { |
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CreationHelper createHelper = writeSheetHolder.getSheet().getWorkbook().getCreationHelper(); |
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Hyperlink hyperlink = createHelper.createHyperlink(HyperlinkType.URL); |
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hyperlink.setAddress("https://github.com/alibaba/easyexcel"); |
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cell.setHyperlink(hyperlink); |
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} |
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} |
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} |
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```` |
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````java |
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/** |
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* 自定义拦截器.对第一列第一行和第二行的数据新增下拉框,显示 测试1 测试2 |
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* |
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* @author Jiaju Zhuang |
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*/ |
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public class CustomSheetWriteHandler implements SheetWriteHandler { |
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private static final Logger LOGGER = LoggerFactory.getLogger(CustomSheetWriteHandler.class); |
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@Override |
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public void beforeSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) { |
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} |
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@Override |
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public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) { |
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LOGGER.info("第{}个Sheet写入成功。", writeSheetHolder.getSheetNo()); |
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// 区间设置 第一列第一行和第二行的数据。由于第一行是头,所以第一、二行的数据实际上是第二三行 |
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CellRangeAddressList cellRangeAddressList = new CellRangeAddressList(1, 2, 0, 0); |
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DataValidationHelper helper = writeSheetHolder.getSheet().getDataValidationHelper(); |
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DataValidationConstraint constraint = helper.createExplicitListConstraint(new String[] {"测试1", "测试2"}); |
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DataValidation dataValidation = helper.createValidation(constraint, cellRangeAddressList); |
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writeSheetHolder.getSheet().addValidationData(dataValidation); |
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} |
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} |
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```` |
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##### 代码 |
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```java |
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/** |
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