package com.yuanchu.mom.service.impl; import cn.hutool.core.util.ObjectUtil; import cn.hutool.core.util.StrUtil; import com.alibaba.excel.EasyExcel; import com.alibaba.excel.ExcelWriter; import com.alibaba.excel.write.metadata.WriteSheet; import com.alibaba.excel.write.style.column.SimpleColumnWidthStyleStrategy; import com.alibaba.fastjson.JSON; import com.baomidou.mybatisplus.core.metadata.IPage; import com.baomidou.mybatisplus.core.toolkit.CollectionUtils; import com.baomidou.mybatisplus.core.toolkit.ObjectUtils; import com.baomidou.mybatisplus.core.toolkit.Wrappers; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.yuanchu.mom.common.GetLook; import com.yuanchu.mom.common.PrintChina; import com.yuanchu.mom.dto.*; import com.yuanchu.mom.exception.ErrorException; import com.yuanchu.mom.mapper.*; import com.yuanchu.mom.pojo.*; import com.yuanchu.mom.service.InsOrderService; import com.yuanchu.mom.service.InsProductService; import com.yuanchu.mom.utils.GiveCode; import com.yuanchu.mom.utils.QueryWrappers; import com.yuanchu.mom.vo.SampleDefectsFatherVo; import lombok.AllArgsConstructor; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.BeanUtils; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.net.URLEncoder; import java.time.LocalDate; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.*; import java.util.concurrent.atomic.AtomicInteger; import java.util.stream.Collectors; /** * @author gaoaoy * @description 针对表【ins_order(检验下单)】的数据库操作Service实现 * @createDate 2024-03-12 16:17:55 */ @Service @AllArgsConstructor @Transactional(rollbackFor = Exception.class) public class InsOrderServiceImpl extends ServiceImpl implements InsOrderService { private GetLook getLook; private RoleMapper roleMapper; private InsOrderMapper insOrderMapper; private InsSampleMapper insSampleMapper; private WarehouseHistoryMapper warehouseHistoryMapper; private InsProductMapper insProductMapper; private InsProductService insProductService; private InsProductUserMapper insProductUserMapper; private GiveCode giveCode; private InsSampleUserMapper insSampleUserMapper; private InsOrderStateMapper insOrderStateMapper; UserMapper userMapper; PowerMapper powerMapper; private InsBushingMapper insBushingMapper; private InsFibersMapper insFibersMapper; private InsFiberMapper insFiberMapper; CustomMapper customMapper; //获取检验下单数据 @Override public Map selectInsOrderParameter(IPage page, SampleOrderDto sampleOrderDto) { Map map = new HashMap<>(); map.put("head", PrintChina.printChina(SampleOrderDto.class)); //判断全部,个人,组织的权限 Map map1 = getLook.selectPowerByMethodAndUserId("selectInsOrderParameter"); User user = userMapper.selectById(map1.get("userId"));//当前登录的人 Integer roleId = user.getRoleId(); String laboratory = null; //获取当前人所属实验室id /*String departLimsId = user.getDepartLimsId(); if (ObjectUtils.isNotEmpty(departLimsId) && !departLimsId.equals("")) { String[] split = departLimsId.split(","); //查询对应架构名称(通信实验室,电力实验室,检测办) String departLims = baseMapper.seldepLimsId(Integer.parseInt(split[split.length - 1])); if (departLims.contains("实验室")) { laboratory = departLims; } }*/ //判断是否是全部权限 Power power = powerMapper.selectOne(Wrappers.lambdaQuery().eq(Power::getRoleId, roleId).eq(Power::getMenuMethod, "selectAllInsOrderParameter")); if (ObjectUtils.isEmpty(power)) { if (map1.get("look") == 1) { //个人 sampleOrderDto.setCreateUser(map1.get("userId")); } else { //组织 try { sampleOrderDto.setCompany(customMapper.selectById(user.getCompany()).getCompany()); } catch (NullPointerException e) { throw new ErrorException("找不到所属单位"); } } } IPage sampleOrderDtoIPage = insOrderMapper.selectInsOrderPage(page, QueryWrappers.queryWrappers(sampleOrderDto), laboratory); sampleOrderDtoIPage.getRecords().forEach(i -> { if (ObjectUtils.isNotEmpty(i.getSampleCode()) && i.getSampleCode().contains(",")) { String[] split = i.getSampleCode().split(","); i.setSampleCode(split[0]); } }); map.put("body", sampleOrderDtoIPage); return map; } //分配站点 @Override @Transactional(rollbackFor = Exception.class) public int upInsOrder(Integer orderId, Integer sampleId, String appointed, Integer userId, String sonLaboratory) { InsOrder insOrder = new InsOrder(); insOrder.setId(orderId); insOrder.setAppointed(LocalDate.parse(appointed)); insOrder.setSendTime(LocalDateTime.now()); insOrderMapper.updateById(insOrder); //修改成只给当前选择的试验室下发单子 InsOrderState insOrderState = new InsOrderState(); insOrderState.setInsOrderId(orderId); insOrderState.setLaboratory(sonLaboratory); insOrderState.setInsState(0); insOrderStateMapper.insert(insOrderState); //这里是在给分配的指定的人和试验室下发检验人 if (userId != null) { InsSampleUser insSampleUser = new InsSampleUser(); insSampleUser.setState(0); insSampleUser.setUserId(userId); insSampleUser.setInsSampleId(orderId); insSampleUser.setSonLaboratory(sonLaboratory); insSampleUserMapper.insert(insSampleUser); } return 1; } @Override @Transactional(rollbackFor = Exception.class) public int addInsOrder(List list, InsOrder insOrder, List> pairing) { insOrder.setState(0); //判断选择的委托单位与制单人的委托单位是否一致 Integer userId = getLook.selectPowerByMethodAndUserId(null).get("userId"); String company = userMapper.selectById(userId).getCompany(); if (!company.equals(insOrder.getCompanyId() + "")) { //如果不一致那么委托人字段必填 if (ObjectUtils.isEmpty(insOrder.getPrepareUser())) { throw new ErrorException("委托人不能为空"); } } else { //如果一致,那么制单人就是委托人 insOrder.setPrepareUser(insOrder.getCustom()); } //客户代号 Custom custom = customMapper.selectById(insOrder.getCompanyId()); String code = custom.getCode2(); if (!custom.getCompany().equals(insOrder.getCompany())) { Custom one = customMapper.selectOne(Wrappers.lambdaQuery().eq(Custom::getCompany, insOrder.getCompany())); insOrder.setCompanyId(one.getId()); code = one.getCode2(); } //实验室编号 String code2 = baseMapper.selLaboratoryCode(insOrder.getLaboratory()); if (StringUtils.isEmpty(code2)) { code2 = ""; } //外部委托编号 insOrder.setOutEntrustCode(giveCode.giveCode3("ZT/" + code2 + "-" + code + "-", insOrder.getCompanyId(), insOrder.getLaboratory(), "ins_order", "", "yyMM")); String giveCode = this.giveCode.giveCode("JCZX-" + code + "-", "ins_sample", "", "yyMMdd"); insOrderMapper.insert(insOrder); AtomicInteger count = new AtomicInteger(); list.forEach(a -> { count.getAndIncrement(); a.setId(null); a.setInsOrderId(insOrder.getId()); //样品编号 if (StrUtil.isEmpty(a.getSampleCode())) { a.setSampleCode("TX(WYQJ)-" + giveCode.split("-")[2] + "-" + count.get()); } insSampleMapper.insert(a); //样品的检验项目 if (ObjectUtil.isNotEmpty(a.getInsProduct())) { addInsProductMethod(a.getId(), a.getInsProduct(), null, 0); } //样品的检验标准 if (ObjectUtil.isNotEmpty(a.getInsulating())) { List ip2 = new ArrayList<>(); for (Integer i = 0; i < a.getInsulating().getNum(); i++) { ip2.addAll(a.getInsulating().getInsProduct()); } for (InsProduct product : ip2) { product.setStandardMethodListId(a.getInsulating().getStandardMethodListId()); } addInsProductMethod(a.getId(), ip2, null, 0); } //样品的检验标准 if (ObjectUtil.isNotEmpty(a.getSheath())) { for (InsProduct product : a.getSheath().getInsProduct()) { product.setStandardMethodListId(a.getSheath().getStandardMethodListId()); } addInsProductMethod(a.getId(), a.getSheath().getInsProduct(), null, 0); } //子样品配置 if (ObjectUtil.isNotEmpty(a.getChildSampleList())) { for (SampleProductDto b : a.getChildSampleList()) { for (int i = 0; i < b.getNum(); i++) { b.setId(null); b.setInsOrderId(insOrder.getId()); b.setParentId(a.getId()); if (StrUtil.isEmpty(b.getSampleCode())) { b.setSampleCode(this.giveCode.giveCode("", "ins_sample", "", "yyMMdd")); } insSampleMapper.insert(b); if (ObjectUtil.isNotEmpty(b.getInsProduct())) { addInsProductMethod(b.getId(), b.getInsProduct(), null, 0); } } } } //光纤配置 /*if (ObjectUtil.isEmpty(a.getInsProduct()) && ObjectUtil.isNotEmpty(a.getBushing())) { for (BushingDto bushingDto : a.getBushing()) { bushingDto.setInsSampleId(a.getId()); insBushingMapper.insert(bushingDto); if (bushingDto.getFiber().size() != 0) { for (FiberDto fiberDto : bushingDto.getFiber()) { fiberDto.setInsBushingId(bushingDto.getId()); insFiberMapper.insert(fiberDto); addInsProductMethod(a.getId(), fiberDto.getProductList(), fiberDto.getId(), 2); } } else { for (FibersDto fibersDto : bushingDto.getFibers()) { fibersDto.setInsBushingId(bushingDto.getId()); fibersDto.setCode(this.giveCode.giveCode("", "ins_fibers", "", "yyMMdd")); insFibersMapper.insert(fibersDto); for (FiberDto fiberDto : fibersDto.getFiber()) { fiberDto.setInsFibersId(fibersDto.getId()); insFiberMapper.insert(fiberDto); addInsProductMethod(a.getId(), fiberDto.getProductList(), fiberDto.getId(), 2); } addInsProductMethod(a.getId(), fibersDto.getProductList(), fibersDto.getId(), 1); } } } }*/ }); //多个样品就拼接 /*for (List i : pairing) { SampleProductDto sample = JSON.parseObject(JSON.toJSONString(list.get(i.get(0) - 1)), SampleProductDto.class); sample.setSampleCode(list.get(i.get(0) - 1).getSampleCode() + "/" + list.get(i.get(1) - 1).getSampleCode()); sample.setId(null); insSampleMapper.insert(sample); try { List insProducts = sample.getInsProduct().stream().filter(a -> Objects.equals(a.getInspectionItem(), "光纤接头损耗")).collect(Collectors.toList()); for (InsProduct insProduct : insProducts) { insProduct.setId(null); insProduct.setInsSampleId(sample.getId()); insProductMapper.insert(insProduct); } } catch (Exception e) { } }*/ //通信:如果是C类订单无需审核直接通过 if (insOrder.getOrderType().equals("C")) { insOrder.setState(1); upInsOrderOfState(insOrder); } return insOrder.getId(); } private void addInsProductMethod(Integer sampleId, List productList, Integer id, Integer type) { for (InsProduct product : productList) { if (product.getState() == 1 ) { switch (type) { case 1: product.setInsFibersId(id); break; case 2: product.setInsFiberId(id); break; } product.setId(null); product.setCreateTime(null); product.setCreateUser(null); product.setUpdateTime(null); product.setUpdateUser(null); product.setInsSampleId(sampleId); if (product.getInspectionItemSubclass() == null) { product.setInspectionItemSubclass(""); } insProductMapper.insert(product); } } } //温度循环的处理 private void dealWithTemperatureLoop(Integer type, Integer id, Integer sampleId, InsProduct product) { List insProductes = new ArrayList<>(); List insProducts = new ArrayList<>(); String[] strings = product.getAsk().split(";"); for (int i = 0; i < strings.length; i++) { int count = Integer.parseInt(strings[strings.length - 1]); if (i != strings.length - 1) { InsProduct insProduct = new InsProduct(); switch (type) { case 1: insProduct.setInsFibersId(id); break; case 2: insProduct.setInsFiberId(id); break; } String[] split = strings[i].split(","); if (split[0].equals("20℃")) { insProduct.setInspectionItem(count + "");//检验项--循环次数 } else { insProduct.setInspectionItem("1");//检验项--循环次数 } insProduct.setInspectionItemSubclass(split[0]);//检验项--温度 insProduct.setInspectionItemClass(split[1]);//检验项--光纤项目 insProduct.setAsk(split[2]);//检验要求 insProduct.setTell(strings[i]);//检验描述 insProduct.setInsSampleId(sampleId); insProduct.setState(1); insProduct.setFactory(product.getFactory()); insProduct.setLaboratory(product.getLaboratory()); insProduct.setSampleType(product.getSampleType()); insProduct.setSample(product.getSample()); insProduct.setModel(product.getModel()); insProduct.setSonLaboratory(product.getSonLaboratory()); insProduct.setUnit(product.getUnit()); insProduct.setManHourGroup(product.getManHourGroup()); insProduct.setInspectionItemType("0"); insProduct.setInspectionValueType("1"); insProducts.add(insProduct); insProductes.add(insProduct); } else { //最后一个数据是说明会循环多少次 if (count > 1) { //循环超过1次 for (int j = 2; j <= count; j++) { for (InsProduct insProduct : insProducts) { if (!insProduct.getInspectionItemSubclass().equals("20℃") && !insProduct.getInspectionItemSubclass().equals("20℃(常温)")) { InsProduct insProduct1 = new InsProduct(); BeanUtils.copyProperties(insProduct, insProduct1); insProduct1.setInspectionItem(j + ""); insProductes.add(insProduct1); } } } } } } insProductService.saveBatch(insProductes); } @Override public Map getInsOrder(Integer id) { Map map = new HashMap<>(); InsOrder insOrder = insOrderMapper.selectById(id); List list = insSampleMapper.selectSampleProductListByOrderId2(id); map.put("insOrder", insOrder); map.put("sampleProduct", list); return map; } @Override public int upInsOrderOfState(InsOrder insOrder) { InsOrder order = insOrderMapper.selectById(insOrder.getId()); insOrder.setCompany(order.getCompany()); insOrder.setExamineTime(LocalDateTime.now()); if (insOrder.getState() == 1) { //审核通过才会生成委托编号 String code = baseMapper.selLaboratoryCode(insOrder.getLaboratory()); if (StringUtils.isEmpty(code)) { code = ""; } Custom custom = customMapper.selectById(order.getCompanyId()); System.out.println("=============" + custom.getCompany()); System.out.println("-------------" + order.getCompany()); String code2 = custom.getCode2(); if (!custom.getCompany().equals(order.getCompany())) { Custom one = customMapper.selectOne(Wrappers.lambdaQuery().eq(Custom::getCompany, order.getCompany())); insOrder.setCompanyId(one.getId()); code2 = one.getCode2(); } insOrder.setEntrustCode(giveCode.giveCode2("JCZX/" + code + "-" + code2 + "-", insOrder.getCompanyId(), insOrder.getLaboratory(), "ins_order", "", "yyMM")); //系统查询站点任务分布情况,将检验任务下发至最少的站台 List insSamples = insSampleMapper.selectList(Wrappers.lambdaQuery() .eq(InsSample::getInsOrderId, insOrder.getId()).select(InsSample::getId)); List ids = insSamples.stream().map(a -> a.getId()).collect(Collectors.toList()); List insProducts = insProductMapper.selectList(Wrappers.lambdaQuery() .eq(InsProduct::getState, 1) .in(InsProduct::getInsSampleId, ids)); List collect = insProducts.stream().map(InsProduct::getSonLaboratory).distinct().collect(Collectors.toList()); //要判断剩余试验室中哪个最空闲就安排给哪个 Map dataCounts = new HashMap<>(); for (String sonLaboratory : collect) { Long count = insOrderStateMapper.selectCount(Wrappers.lambdaQuery() .eq(InsOrderState::getLaboratory, sonLaboratory) .ne(InsOrderState::getInsState, 4) .ne(InsOrderState::getInsState, 5) .ne(InsOrderState::getInsState, 6)); dataCounts.put(sonLaboratory, count); } // 查找数据量最少的元素 String minElement = null; Long minCount = Long.MAX_VALUE; for (Map.Entry entry : dataCounts.entrySet()) { if (entry.getValue() < minCount) { minCount = entry.getValue(); minElement = entry.getKey(); } } int day = insProductService.selectOrderManDay(insOrder.getId());//预计完成时间 upInsOrder(insOrder.getId(), null, LocalDateTime.now().plusHours(day).format(DateTimeFormatter.ofPattern("yyyy-MM-dd")), null, minElement); } return insOrderMapper.updateById(insOrder); } @Override public int upInsOrderOfState2(InsOrder insOrder) { InsOrder order = insOrderMapper.selectById(insOrder.getId()); //获取当前人 Integer userId = getLook.selectPowerByMethodAndUserId(null).get("userId"); //获取当前人的角色 String roleName = roleMapper.selectById(userMapper.selectById(userId).getRoleId()).getName(); //判断是检测中心主任/研发部经理/技术负责人 switch (roleName) { case "检测中心主任": order.setCheckState1(insOrder.getState()); order.setCheckState1User(userId); break; case "研发部经理": order.setCheckState2(insOrder.getState()); order.setCheckState2User(userId); break; case "技术负责人": order.setCheckState3(insOrder.getState()); order.setCheckState3User(userId); break; default: throw new ErrorException("当前登录用户的角色不是检测中心主任/研发部经理/技术负责人,无法进行审核"); } insOrderMapper.updateById(order); //查询该订单是A类还是B类 if (order.getOrderType().equals("A")) { //如果是A类,1和2和3都审核通过这个单子就审核通过 if (order.getCheckState1() == 1 && order.getCheckState2() == 1 && order.getCheckState3() == 1) { order.setState(1); upInsOrderOfState(order); } else if (order.getCheckState1() == 2 || order.getCheckState2() == 2 || order.getCheckState3() == 2) { order.setState(2); upInsOrderOfState(order); } } else if (order.getOrderType().equals("B")) { //如果是B类,1和2审核通过后这个单子就审核通过 if (order.getCheckState1() == 1 && order.getCheckState2() == 1) { order.setState(1); upInsOrderOfState(order); } else if (order.getCheckState1() == 2 || order.getCheckState2() == 2) { order.setState(2); upInsOrderOfState(order); } } return 1; } @Override public Map getInsOrderAndSample(Integer id, String laboratory) { Map map = new HashMap<>(); InsOrder insOrder = insOrderMapper.selectById2(id); List list = insSampleMapper.getInsOrderAndSample(id, laboratory); for (SampleProductDto sampleProductDto : list) { List ids = sampleProductDto.getInsProduct().stream().map(InsProduct::getId).collect(Collectors.toList()); List insProductUsers = insProductUserMapper.selectList(Wrappers.lambdaQuery() .in(InsProductUser::getInsProductId, ids)); if (CollectionUtils.isNotEmpty(insProductUsers)) { List userIds = insProductUsers.stream().map(InsProductUser::getCreateUser).distinct().collect(Collectors.toList()); String collect = userMapper.selectBatchIds(userIds).stream().map(User::getName).collect(Collectors.joining(",")); sampleProductDto.setCheckName(collect); } } map.put("insOrder", insOrder); map.put("sampleProduct", list); //查询所有记录模版去重 List> list2 = insOrderMapper.selectReportModelByOrderId(id, laboratory); map.put("reportModel", list2); return map; } @Override public Map selectSampleAndProductByOrderId(IPage page, SampleProductDto2 sampleProductDto) { Map map = new HashMap<>(); map.put("head", PrintChina.printChina(SampleProductDto2.class)); IPage productDto2IPage = insOrderMapper.selectSampleAndProductByOrderId(page, QueryWrappers.queryWrappers(sampleProductDto).orderByAsc("inspection_item"), sampleProductDto.getId()); for (SampleProductDto2 record : productDto2IPage.getRecords()) { InsProductUser insProductUser = insProductUserMapper.selectOne(Wrappers.lambdaQuery() .eq(InsProductUser::getInsProductId, record.getInsProductId()) .orderByDesc(InsProductUser::getCreateTime) .last("limit 1")); if (ObjectUtils.isNotEmpty(insProductUser)) { record.setCheckName(userMapper.selectById(insProductUser.getCreateUser()).getName()); DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"); record.setCheckTime(insProductUser.getCreateTime().format(formatter)); } } map.put("body", productDto2IPage); return map; } @Override public Map costStatistics(IPage page, CostStatisticsDto costStatisticsDto) { String dates = costStatisticsDto.getDates(); String[] split = dates.replaceAll("\\[", "").replaceAll("]", "").replaceAll("\"", "").split(","); costStatisticsDto.setDates(null); Map map = new HashMap<>(); map.put("head", PrintChina.printChina(CostStatisticsDto.class)); Map map1 = getLook.selectPowerByMethodAndUserId("costStatistics"); if (map1.get("look") == 1) costStatisticsDto.setCreateUser(map1.get("userId")); IPage dtoIPage = insOrderMapper.selectCostStatistics(page, QueryWrappers.queryWrappers(costStatisticsDto).ge("create_time", split[0]).le("create_time", split[1] + " 23:59:59")); List collect = dtoIPage.getRecords().stream().map(dto -> { Set uniqueTags = new HashSet<>(); if (dto.getInspectionItem().contains(",")) { for (String s : dto.getInspectionItem().split(",")) { uniqueTags.add(s.split("@")[0]); } } else { uniqueTags.add(dto.getInspectionItem().split("@")[0]); } dto.setInspectionItem(uniqueTags.toString()); return dto; }).collect(Collectors.toList()); dtoIPage.setRecords(collect); map.put("body", dtoIPage); return map; } @Override public Map costStatistics2(CostStatisticsDto costStatisticsDto) { Map map = new HashMap<>(); String dates = costStatisticsDto.getDates(); String[] split = dates.replaceAll("\\[", "").replaceAll("]", "").replaceAll("\"", "").split(","); costStatisticsDto.setDates(null); List costStatisticsDtos = insOrderMapper.selectCostStatistics2(QueryWrappers.queryWrappers(costStatisticsDto).ge("create_time", split[0]).le("create_time", split[1] + " 23:59:59")); double totalPrice = costStatisticsDtos.stream() .filter(dto -> dto.getPrice() != null) // 过滤掉价格为 null 的对象 .mapToDouble(value -> value.getPrice().doubleValue() * value.getNum()) .sum(); map.put("total", totalPrice); return map; } @Override public Map selectSampleDefects(Page page, String inspectionItems, String orderNumber) { List sampleDefectsFatherVos = insOrderMapper.selectSampleDefects(page, inspectionItems, orderNumber); Map map = new HashMap<>(); map.put("records", sampleDefectsFatherVos); Long aLong = insOrderMapper.getCount(inspectionItems, orderNumber); map.put("total", aLong); return map; } @Override public int updateStatus(Integer id) { return insOrderMapper.updateStatus(id); } //标签打印 @Override public List labelPrinting(String ids) { List list = Arrays.stream(ids.split(",")).map(Integer::parseInt).collect(Collectors.toList()); List sampleProductDtos = insSampleMapper.selectSampleProductListByOrderId3(list); Set processedCodes = new HashSet<>(); //如果是光纤或者是光纤带默认只打印第一个 List sampleProductDto3s = sampleProductDtos.stream().filter(sampleProductDto3 -> { if (!"光纤".equals(sampleProductDto3.getIoSampleType()) && !"光纤带".equals(sampleProductDto3.getIoSampleType())) { return true; } if (processedCodes.contains(sampleProductDto3.getCode())) { return false; } else { processedCodes.add(sampleProductDto3.getCode()); return true; } }).collect(Collectors.toList()); return sampleProductDto3s; } @Override public void export(CostStatisticsDto costStatisticsDto, HttpServletResponse response) throws IOException { //查询导出的费用统计数据 String dates = costStatisticsDto.getDates(); String[] split = dates.replaceAll("\\[", "").replaceAll("]", "").replaceAll("\"", "").split(","); costStatisticsDto.setDates(null); List costStatisticsDtos = insOrderMapper.selectCostStatistics2(QueryWrappers.queryWrappers(costStatisticsDto).ge("create_time", split[0]).le("create_time", split[1] + " 23:59:59")); costStatisticsDtos = costStatisticsDtos.stream().map(dto -> { Set uniqueTags = new HashSet<>(); if (dto.getInspectionItem().contains(",")) { for (String s : dto.getInspectionItem().split(",")) { uniqueTags.add(s.split("@")[0]); } } else { uniqueTags.add(dto.getInspectionItem().split("@")[0]); } dto.setInspectionItem(uniqueTags.toString()); return dto; }).collect(Collectors.toList()); response.setContentType("application/vnd.ms-excel"); response.setCharacterEncoding("UTF-8"); // 这里URLEncoder.encode可以防止中文乱码 当然和easyexcel没有关系 String fileName = URLEncoder.encode("样品费用统计导出", "UTF-8"); response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx"); Map> groupByCompany = costStatisticsDtos.stream().filter(e -> StrUtil.isNotEmpty(e.getCompany())) .collect(Collectors.groupingBy(CostStatisticsDto::getCompany)); try { // 新建ExcelWriter // 新建ExcelWriter ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream()) .registerWriteHandler(new SimpleColumnWidthStyleStrategy(25)) .build(); for (Map.Entry> companyDataEntry : groupByCompany.entrySet()) { String sheetName = companyDataEntry.getKey(); List dataList = companyDataEntry.getValue(); WriteSheet mainSheet = EasyExcel.writerSheet(sheetName) .head(CostStatisticsDto.class) .registerWriteHandler(new SimpleColumnWidthStyleStrategy(25)) .build(); excelWriter.write(dataList, mainSheet); } // 关闭流 excelWriter.finish(); } catch (IOException e) { throw new RuntimeException("导出失败"); } } }