package com.panzhihua.common.excel; import org.apache.poi.ss.usermodel.DataValidation; import org.apache.poi.ss.usermodel.DataValidationConstraint; import org.apache.poi.ss.usermodel.DataValidationHelper; import org.apache.poi.ss.util.CellRangeAddressList; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.alibaba.excel.write.handler.SheetWriteHandler; import com.alibaba.excel.write.metadata.holder.WriteSheetHolder; import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder; /** * 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 * * @author Jiaju Zhuang */ public class CustomSheetWriteHandler implements SheetWriteHandler { private static final Logger LOGGER = LoggerFactory.getLogger(CustomSheetWriteHandler.class); @Override public void beforeSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) { } @Override public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) { LOGGER.info("第{}个Sheet写入成功。", writeSheetHolder.getSheetNo()); // 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 CellRangeAddressList cellRangeAddressList = new CellRangeAddressList(1, 2000, 11, 11); CellRangeAddressList cellRangeAddressList1 = new CellRangeAddressList(1, 2000, 4, 4); CellRangeAddressList cellRangeAddressList2 = new CellRangeAddressList(1, 2000, 6, 6); CellRangeAddressList cellRangeAddressList3 = new CellRangeAddressList(1, 2000, 13, 13); CellRangeAddressList cellRangeAddressList4 = new CellRangeAddressList(1, 2000, 14, 14); DataValidationHelper helper = writeSheetHolder.getSheet().getDataValidationHelper(); DataValidationConstraint constraint = helper.createExplicitListConstraint(new String[] {"男", "女", "未知"}); DataValidationConstraint constraint1 = helper.createExplicitListConstraint(new String[] {"中共党员", "中共预备党员", "共青团员", "民革党员", "民盟盟员", "民建会员", "农工党党员", "致公党党员", "九三学社社员", "台盟盟员", "无党派人士", "群众"}); DataValidationConstraint constraint2 = helper.createExplicitListConstraint(new String[] {"本地", "外地"}); DataValidationConstraint constraint3 = helper.createExplicitListConstraint(new String[] {"未婚", "已婚", "初婚", "再婚", "复婚", "丧偶", "离婚", "未说明的婚育状况"}); DataValidationConstraint constraint4 = helper.createExplicitListConstraint(new String[] {"很好", "较好", "一般", "较差", "很差"}); DataValidation dataValidation = helper.createValidation(constraint2, cellRangeAddressList); DataValidation dataValidation1 = helper.createValidation(constraint, cellRangeAddressList1); DataValidation dataValidation2 = helper.createValidation(constraint1, cellRangeAddressList2); DataValidation dataValidation3 = helper.createValidation(constraint3, cellRangeAddressList3); DataValidation dataValidation4 = helper.createValidation(constraint4, cellRangeAddressList4); writeSheetHolder.getSheet().addValidationData(dataValidation); writeSheetHolder.getSheet().addValidationData(dataValidation1); writeSheetHolder.getSheet().addValidationData(dataValidation2); writeSheetHolder.getSheet().addValidationData(dataValidation3); writeSheetHolder.getSheet().addValidationData(dataValidation4); } }