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根据时间导出多个sheet 页1

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qjq
2024-10-18 16:23:53 +08:00
parent d6ab021200
commit 4c6aab0221
2 changed files with 158 additions and 16 deletions
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72
yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/customizeExcel/CustomizeExcelController.java
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@ -5,6 +5,7 @@ import cn.iocoder.yudao.framework.excel.core.util.ExcelUtils;
import cn.iocoder.yudao.framework.operatelog.core.annotations.OperateLog;
import cn.iocoder.yudao.module.member.controller.admin.customizeExcel.vo.OrderExcelVO;
import cn.iocoder.yudao.module.member.service.customizeExcel.CustomizeExcelService;
import cn.iocoder.yudao.module.member.util.CustomMergeStrategy;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.converters.longconverter.LongStringConverter;
@ -12,6 +13,9 @@ import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
@ -23,9 +27,11 @@ import java.io.IOException;
import java.io.OutputStream;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static cn.iocoder.yudao.framework.operatelog.core.enums.OperateTypeEnum.EXPORT;
@ -59,30 +65,64 @@ public class CustomizeExcelController {
* @param response
* @throws IOException
*/
public void exporOrderDate(List<OrderExcelVO> list,HttpServletResponse response) throws IOException {
Map<String, List<OrderExcelVO>> collect = list.stream().collect(Collectors.groupingBy(OrderExcelVO::getDayTime));
public void exporOrderDate(List<OrderExcelVO> data1,HttpServletResponse response) throws IOException {
Map<String, List<OrderExcelVO>> collect = data1.stream().collect(Collectors.groupingBy(OrderExcelVO::getDayTime));
// 按key（时间）排序，将数据按时间顺序放入列表
List<Map.Entry<String, List<OrderExcelVO>>> sortedEntries = collect.entrySet()
.stream()
.sorted(Map.Entry.comparingByKey()) // 按时间排序
.collect(Collectors.toList());
// 创建输出流
try (OutputStream outputStream = response.getOutputStream();
ExcelWriter excelWriter = EasyExcel.write(outputStream).build()) {
int sheetIndex = 0;
// 逐个创建Sheet，并写入每个时间段的数据
long l = System.currentTimeMillis();
// 设置文件名和响应内容类型
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode("订单详情统计.xlsx", StandardCharsets.UTF_8.name()));
response.setContentType("application/vnd.ms-excel;charset=UTF-8");
try (SXSSFWorkbook workbook = new SXSSFWorkbook(); OutputStream outputStream = response.getOutputStream()) {
for (Map.Entry<String, List<OrderExcelVO>> entry : sortedEntries) {
WriteSheet writeSheet = EasyExcel.writerSheet(sheetIndex, "数据 " + entry.getKey()) // 使用时间作为sheet名
.head(OrderExcelVO.class)
.registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()) // 自动列宽策略
.build();
// 写入数据到当前Sheet
excelWriter.write(entry.getValue(), writeSheet);
sheetIndex++;
// 创建一个Sheet
Sheet sheet = workbook.createSheet("数据"+entry.getKey());
// 处理数据和写入逻辑
createHeader(sheet, workbook); // 创建表头
int rowNum = 1;
// 写入数据
for (OrderExcelVO order : data1) {
Row row = sheet.createRow(rowNum++);
row.createCell(0).setCellValue(order.getDayTime());
row.createCell(1).setCellValue(order.getNickname());
row.createCell(2).setCellValue(order.getMobile());
row.createCell(3).setCellValue(order.getTimeSlot());
row.createCell(4).setCellValue(order.getTotalMoney().toString());
row.createCell(5).setCellValue(order.getDishesName());
row.createCell(5).setCellValue(order.getUnitPrice()==null?"0.00":order.getUnitPrice().toString());
row.createCell(7).setCellValue(order.getWeight());
row.createCell(8).setCellValue(order.getPrice().toString());
}
List<OrderExcelVO> data = entry.getValue();
List<List<String>> collect1 = Stream.of(data.stream().map(OrderExcelVO::getNickname).collect(Collectors.toList()), data.stream().map(OrderExcelVO::getMobile).collect(Collectors.toList()), data.stream().map(f -> f.getTotalMoney().toString()).collect(Collectors.toList())).collect(Collectors.toList());
Map<Integer, Integer> map = new HashMap<>();
map.put(1, 0); // 第三列合并
map.put(2, 1); // 第三列合并
map.put(3, 2); // 第三列合并
map.put(4, 2); // 第四列合并
CustomMergeStrategy customMergeStrategy = new CustomMergeStrategy(collect1, map);
customMergeStrategy.merge(sheet,4);
// 将数据写入输出流
}
// 下载EXCEL，返回给前段stream流
excelWriter.finish();
workbook.write(outputStream);
outputStream.flush();
System.out.println( System.currentTimeMillis()-l);
}
}
// 创建表头
private void createHeader(Sheet sheet, SXSSFWorkbook workbook) {
Row header = sheet.createRow(0);
header.createCell(0).setCellValue("日期");
header.createCell(1).setCellValue("用户名");
header.createCell(2).setCellValue("手机");
header.createCell(3).setCellValue("总价");
header.createCell(4).setCellValue("时间段");
header.createCell(5).setCellValue("菜名");
header.createCell(6).setCellValue("单价（元/50g）");
header.createCell(7).setCellValue("重量（g）");
header.createCell(8).setCellValue("价格（元）");
}
}

102
yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/util/CustomMergeStrategy.java Normal file
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@ -0,0 +1,102 @@
package cn.iocoder.yudao.module.member.util;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.springframework.util.ObjectUtils;
import java.util.*;
public class CustomMergeStrategy {
/**
* 分组，每几行合并一次
*/
private final List<List<Integer>> mergeColDataGroupCountList;
/**
* 目标合并列index
*/
private final Map<Integer, Integer> targetColumnIndex;
/**
* 需要开始合并单元格的首行index
*/
private Integer rowIndex;
//存放合并的
private Map<Integer,List<Integer>> aaa=new HashMap<>();
/**
* mergeColDataList为待合并目标列的值
*/
public CustomMergeStrategy(List<List<String>> mergeColDataList, Map<Integer, Integer> targetColumnIndex) {
this.mergeColDataGroupCountList = getGroupCountList(mergeColDataList);
this.targetColumnIndex = targetColumnIndex;
}
public void merge(Sheet sheet,int i) {
rowIndex = 1; // 假设从第二行开始合并，第一行为表头
// 遍历所有行
Iterator<Row> rowIterator = sheet.rowIterator();
while (rowIterator.hasNext()) {
Row row = rowIterator.next();
int i1=0;
Iterator<Cell> cellIterator = row.cellIterator();
while (cellIterator.hasNext()) {
if(i1>i){
return;
}
Cell cell = cellIterator.next();
if (null == rowIndex) {
rowIndex = cell.getRowIndex();
}
// 仅从首行以及目标列的单元格开始合并，忽略其他
if (targetColumnIndex.get(cell.getColumnIndex())!=null) {
//找到对应的需要合并的列
mergeGroupColumn(sheet, targetColumnIndex.get(cell.getColumnIndex()),cell.getColumnIndex());
}
i1++;
}
}
}
private void mergeGroupColumn(Sheet sheet, Integer index,Integer i) {
int rowCount = rowIndex;
for (Integer count : mergeColDataGroupCountList.get(index)) {
if (count == 1) {
rowCount += count;
continue;
}
// 合并单元格
CellRangeAddress cellRangeAddress = new CellRangeAddress(rowCount, rowCount + count - 1,
i, i);
sheet.addMergedRegion(cellRangeAddress);
rowCount += count;
}
}
/**
* 该方法将目标列根据值是否相同连续可合并，存储可合并的行数
*/
private List<List<Integer>> getGroupCountList(List<List<String>> exportDataList) {
if (ObjectUtils.isEmpty(exportDataList)) {
return new ArrayList<>();
}
List<List<Integer>> groupCountListList = new ArrayList<>();
for (List<String> dataList : exportDataList) {
List<Integer> groupCountList = new ArrayList<>();
int count = 1;
for (int i = 1; i < dataList.size(); i++) {
if (dataList.get(i).equals(dataList.get(i - 1))) {
count++;
} else {
groupCountList.add(count);
count = 1;
}
}
// 处理完最后一条后
groupCountList.add(count);
groupCountListList.add(groupCountList);
}
return groupCountListList;
}
}