Spring Boot 使用FastExcel实现多级表头动态数据填充导出
作者：愿你天黑有灯下雨有伞
文章介绍了如何使用Maven管理依赖,创建动态表头实体类,实现动态表头数据填充策略,并提供了一个导出工具类的示例,感兴趣的朋友跟随小编一起看看吧
1：依赖（Maven）
<!-- FastExcel 官网最新版 -->
<dependency>
<groupId>cn.idev.excel</groupId>
<artifactId>fastexcel</artifactId>
<version>1.0.0</version>
</dependency>2：动态表头实体类
package com.fantaibao.module.vo.target;
import cn.idev.excel.annotation.ExcelProperty;
import cn.idev.excel.annotation.write.style.ColumnWidth;
import cn.idev.excel.annotation.write.style.ContentStyle;
import cn.idev.excel.annotation.write.style.HeadFontStyle;
import cn.idev.excel.annotation.write.style.HeadStyle;
import cn.idev.excel.enums.poi.FillPatternTypeEnum;
import cn.idev.excel.enums.poi.HorizontalAlignmentEnum;
import cn.idev.excel.enums.poi.VerticalAlignmentEnum;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
@HeadFontStyle(fontName = "黑体", fontHeightInPoints = 12)
@HeadStyle(horizontalAlignment = HorizontalAlignmentEnum.CENTER, verticalAlignment = VerticalAlignmentEnum.CENTER,
fillPatternType = FillPatternTypeEnum.SOLID_FOREGROUND, fillForegroundColor = 44)
@ContentStyle(horizontalAlignment = HorizontalAlignmentEnum.CENTER, verticalAlignment = VerticalAlignmentEnum.CENTER)
public class TargetIndexExportStoreStaVo {
/**
* 年份(2025)
*/
@ColumnWidth(15)
@ExcelProperty({"${indexName}", "年度"})
private Integer year;
/**
* 门店名称
*/
@ColumnWidth(20)
@ExcelProperty({"${indexName}", "门店名称"})
private String storeName;
/**
* 年目标
*/
@ColumnWidth(15)
@ExcelProperty({"${indexName}", "年目标"})
private String totalTarget;
/**
* 当前进度
*/
@ColumnWidth(20)
@ExcelProperty({"${indexName}", "当前进度"})
private String progress;
/**
* 目标完成率
*/
@ColumnWidth(20)
@ExcelProperty({"${indexName}", "目标完成率"})
private String finishRate;
}package com.fantaibao.module.vo.target;
import cn.idev.excel.annotation.ExcelProperty;
import cn.idev.excel.annotation.write.style.*;
import cn.idev.excel.enums.poi.FillPatternTypeEnum;
import cn.idev.excel.enums.poi.HorizontalAlignmentEnum;
import cn.idev.excel.enums.poi.VerticalAlignmentEnum;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
@HeadFontStyle(fontName = "黑体", fontHeightInPoints = 12)
@HeadStyle(horizontalAlignment = HorizontalAlignmentEnum.CENTER, verticalAlignment = VerticalAlignmentEnum.CENTER,
fillPatternType = FillPatternTypeEnum.SOLID_FOREGROUND, fillForegroundColor = 44)
@ContentStyle(horizontalAlignment = HorizontalAlignmentEnum.CENTER, verticalAlignment = VerticalAlignmentEnum.CENTER)
@ContentFontStyle(fontName = "黑体", fontHeightInPoints = 10)
public class TargetIndexExportStoreMonthStaVo {
/**
* 年份(2025)
*/
@ColumnWidth(15)
@ExcelProperty({"${indexName}", "年度"})
private Integer year;
/**
* 门店名称
*/
@ColumnWidth(25)
@ExcelProperty({"${indexName}", "门店名称"})
private String storeName;
/**
* 月目标
*/
@ColumnWidth(15)
@ExcelProperty({"${indexName}", "${month}月目标"})
private String totalTarget;
/**
* 当前进度
*/
@ColumnWidth(20)
@ExcelProperty({"${indexName}", "当前进度"})
private String progress;
/**
* 目标完成率
*/
@ColumnWidth(20)
@ExcelProperty({"${indexName}", "目标完成率"})
private String finishRate;
}3：动态表头数据填充策略
package com.fantaibao.handler;
import cn.hutool.core.collection.CollUtil;
import cn.idev.excel.metadata.Head;
import cn.idev.excel.write.handler.CellWriteHandler;
import cn.idev.excel.write.metadata.holder.WriteSheetHolder;
import cn.idev.excel.write.metadata.holder.WriteTableHolder;
import org.apache.poi.ss.usermodel.Cell;
public class CustomHeaderWriteHandler implements CellWriteHandler {
private final String indexName;
public CustomHeaderWriteHandler(String indexName) {
this.indexName = indexName;
}
@Override
public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder,
Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) {
// 处理表头
if (CollUtil.isNotEmpty(head.getHeadNameList())) {
// 处理一级表头
if (CollUtil.isNotEmpty(head.getHeadNameList())) {
String replace = head.getHeadNameList().get(0).replace("${indexName}", indexName);
head.getHeadNameList().set(0, replace);
}
}
}
}
public class CustomMonthHeaderWriteHandler implements CellWriteHandler {
private final String indexName;
private final int month;
public CustomMonthHeaderWriteHandler(String indexName, int month) {
this.indexName = indexName;
this.month = month;
}
@Override
public void afterCellCreate(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder,
Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) {
if (isHead && head != null) {
// 处理表头
if (CollUtil.isNotEmpty(head.getHeadNameList())) {
// 处理一级表头
String indexName = head.getHeadNameList().get(0).replace("${indexName}", this.indexName);
head.getHeadNameList().set(0, indexName);
// 处理二级表头
String monthStr = head.getHeadNameList().get(1);
if (!monthStr.contains("${month}")) {
return;
}
String month = monthStr.replace("${month}", String.valueOf(this.month));
head.getHeadNameList().set(1, month);
}
}
}
}4：导出工具类
/**
* 按单个指标生成年度-月度汇总数据
*
* @param zipOut ZIP输出流
* @param fileNamePrefix 文件名前缀
* @param storeTargetYearList 门店年目标集合
* @param storeMonthTargetList 门店月目标集合
* @param enums 指标
* @param storeMap 门店集合
* @throws IOException 抛出的异常
*/
public static void generateSingleIndexStaExcelFile(ZipOutputStream zipOut, String fileNamePrefix, List<StoreIndexYearStaVo> storeTargetYearList,
List<StoreIndexMonthStaVo> storeMonthTargetList, IndicatorsTypeEnums enums,
Map<String, StoreInfoListVO> storeMap) throws IOException {
ZipEntry zipEntry = new ZipEntry(enums.getName() + "门店" + fileNamePrefix + "目标汇总.xlsx");
zipOut.putNextEntry(zipEntry);
try (ExcelWriter excelWriter = EasyExcel.write(zipOut).autoCloseStream(false).build()) {
// Sheet1: 门店指标年目标汇总
WriteSheet yearSheet = EasyExcel.writerSheet(0, enums.getName() + "门店年目标")
.head(TargetIndexExportStoreStaVo.class)
.registerWriteHandler(new CustomHeaderWriteHandler(StrUtil.isNotBlank(enums.getUnit()) ? enums.getName() + "(" + enums.getUnit() + ")" : enums.getName()))
.build();
excelWriter.write(getYearSheetData(enums, storeTargetYearList, storeMap), yearSheet);
// Sheet2: 门店指标月目标汇总
for (int month = 1; month <= 12; month++) {
WriteSheet monthSheet = EasyExcel.writerSheet(month, "门店" + month + "月目标")
.head(TargetIndexExportStoreMonthStaVo.class)
.registerWriteHandler(new CustomMonthHeaderWriteHandler(StrUtil.isNotBlank(enums.getUnit()) ? enums.getName() + "(" + enums.getUnit() + ")" : enums.getName(), month))
.build();
excelWriter.write(getMonthSheetDataByMonth(enums, storeMonthTargetList, month, storeMap), monthSheet);
}
excelWriter.finish();
} catch (Exception e) {
try {
zipOut.closeEntry();
} catch (IOException ignored) {
}
throw e;
}
zipOut.closeEntry();
}5：样例
到此这篇关于Spring Boot 使用FastExcel实现多级表头动态数据填充导出的文章就介绍到这了,更多相关Spring Boot FastExcel多级表头数据填充导出内容请搜索脚本之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持脚本之家！