List<BillPayment> paymentList = billPaymentMapper.selectPaymentByBillId(bill1.getId()); if (null != paymentList && 0 != paymentList.size()){ BigDecimal paymentSumMoney = new BigDecimal("0.00"); for (BillPayment payment : paymentList) { BigDecimal paymentMoney = new BigDecimal(String.valueOf(payment.getMoney())); paymentSumMoney = paymentSumMoney.add(paymentMoney); } if (paymentSumMoney.compareTo(bill1.getMoney()) == 1){ throw new SystemException("20001", new String[]{"账单金额不可小于付款总金额！"}); } if (paymentSumMoney.compareTo(bill1.getMoney()) == 0){ BillPayment billPayment = billPaymentMapper.selectPaymentByBillDesc(bill1.getId()); bill1.setUpdateId(user.getId()); bill1.setUpdateTime(new Date()); bill1.setStatus(Bill.STATUS_YES_PANYMENT); bill1.setPaymentTime(billPayment.getPaymentTime()); bill1.setBillStatus(Bill.BILL_STATUS_NORMAL); billMapper.updateByPrimaryKeySelective(bill1); } }

List<BillPayment> paymentList = billPaymentMapper.selectPaymentByBillId(bill1.getId()); if (paymentList != null && paymentList.size() != 0){ BigDecimal paymentSumMoney = new BigDecimal("0.00"); for (BillPayment payment : paymentList) { BigDecimal paymentMoney = new BigDecimal(String.valueOf(payment.getMoney())); paymentSumMoney = paymentSumMoney.add(paymentMoney); } }

首先，通过调用billPaymentMapper的selectPaymentByBillId方法，传入bill1.getId()作为参数，获取支付列表paymentList。然后，判断paymentList是否不为空且长度不为零。如果满足条件，则初始化一个金额总和为0的...

List<String> landsForVillages = feignBasicController.getLandsForVillages(id); List<DevInfo> devByBaseId = feignHdController.getDevByBaseId(userInfo.getId(), classify); List<String> machineIds = devByBaseId.stream().map(DevInfo::getId).collect(Collectors.toList()); Set<String> machineIdList = new HashSet<>(); // json转化为list for (String machineId : machineIds) { List<String> landIdsList = baseMapper.getLandIdsById(machineId); for (String landIdStr : landIdsList) { if(StringUtils.isNotBlank(landIdStr)){ JSONArray arrayStr = JSON.parseArray(landIdStr); for (Object o : arrayStr) { if (landsForVillages.contains(o)) { // 村下面的工作设备 machineIdList.add(machineId); } } } } } 优化一下代码

Set<String> machineIdList = devByBaseId.stream() .map(DevInfo::getId) .flatMap(machineId -> baseMapper.getLandIdsById(machineId).stream()) .filter(StringUtils::isNotBlank) .flatMap(landIdStr -> ...

List<EcpiTree> ecpiTrees = ecpiTreeMapper.selectList(null); 的数据拷贝到 List<TreeItem> treeItemList = new ArrayList<TreeItem>();

List<EcpiTree> ecpiTrees = ecpiTreeMapper.selectList(null); List<TreeItem> treeItemList = ecpiTrees.stream() .map(tree -> new TreeItem(tree.getId(), tree.getName(), tree.getParentId())) .collect...

优化这段代码for (String str : projectTypeList) { LambdaQueryWrapper wrapper1 = Wrappers.lambdaQuery(); wrapper.eq(PtmItem::getParentId, vo.getId()) .orderByAsc(PtmItem::getDepth, PtmItem::getSort); if (str.contains("_zj")) { List zjList = ptmItemService.queryList(wrapper1); vo.setData(zjList); itemList.add(vo); } if (str.contains("_cht")) { List ctItemList = ptmItemService.queryList(wrapper1); vo.setData(ctItemList); itemList.add(vo); } if (str.contains("_dsh")) { List dsItemList = ptmItemService.queryList(wrapper1); vo.setData(dsItemList); itemList.add(vo); } if (str.contains("_liang")) { List liangItemList = ptmItemService.queryList(wrapper1); vo.setData(liangItemList); itemList.add(vo); } }

private static final Map<String, List<PtmItemVo>> cache = new HashMap<>(); public void test(List<String> projectTypeList, PtmItemService ptmItemService) { for (String str : projectTypeList) { if ...

@Override public List<User> list(User user) { List<User> list = new ArrayList<>(); LambdaQueryWrapper<Collect> wrapper = new LambdaQueryWrapper<>(); wrapper.eq(Collect::getUserId,user.getId()); List<Collect> collects = collectMapper.selectList(wrapper); if (collects != null && collects.size() > 0){ for (Collect collect : collects) { Question question = questionService.getById(collect.getQuestionId()); collect.setQuestion(question); } } return null; }我的代码

1. 将返回值类型从List<User>修改为List<Collect>，因为该方法的作用是查询指定用户收藏的所有问题，并将问题信息封装到Collect对象中返回； 2. 将返回值赋值为一个空的Collect对象集合； 3. 修改return语句，返回...

List<Travel> dateBetWeen = travelMapper.selectList(queryWrapper); Optional<Travel> travelOptional = dateBetWeen.stream().findFirst(); if (travelOptional.isPresent()) { Set<Date> dateSet= LocalDateUtil.getDateListBetweenTwoDate(travelOptional.get().getBeginDate(), travelOptional.get().getEndDate()); 我想取dateBetWeen里面的date的getBeginDate与getEndDate去跟date做比较然后getBeginDate或者getEndDate交集的一个时间段取出来

return (date.getTime() >= travelBeginDate.getTime() && date.getTime() <= travelEndDate.getTime()); }); return intersect; }).collect(Collectors.toList()); // 输出结果 for (Travel travel : ...

List<DeviceTransferEntity> allById = deviceTransferRepository.findAllById((Iterable<UUID>) deviceTransfer.getDeviceProfile().getId()); stream流得到Device的集合

List<DeviceTransferEntity> allById = deviceTransferRepository.findAllById((Iterable<UUID>) deviceTransfer.getDeviceProfile().getId()); List<Device> devices = allById.stream() .map...

public Object detailGoods(MallDiscountActivityPageReq mallDiscountActivityPageReq) { List<Integer> goodsIds = mallDiscountGoodsMapper.selectGoodsIdsByActivityId(mallDiscountActivityPageReq.getId()); Page<MallGoods> page = new Page<>(mallDiscountActivityPageReq.getCurrent(),mallDiscountActivityPageReq.getSize()); IPage<MallGoods> mallGoods = mallGoodsMapper.selectByIds(page,goodsIds); return mallGoods; } 这段代码里面的mallGoodsMapper.selectByIds(page,goodsIds);的xml文件怎么写

List<Integer> goodsIds = mallDiscountGoodsMapper.selectGoodsIdsByActivityId(mallDiscountActivityPageReq.getId()); Page<MallGoods> page = new Page<>(mallDiscountActivityPageReq.getCurrent(), ...

if (iPage != null && iPage.getRecords().size() > 0) { iPage.getRecords().forEach(i -> { SmsPurchaserRequirementVo vo = new SmsPurchaserRequirementVo(); BeanUtil.copyProperties(i, vo, CopyOptions.create().setIgnoreNullValue(true)); List<SmsReleaseVideos> videos = videosService.findByCommodityId(i.getId(), null); List<SmsReleaseVideos> collect = videos.stream().limit(1).collect(Collectors.toList()); vo.setVideosList(collect); List<SmsQuote> quotes = smsQuoteService.findByNeedId(i.getId()); vo.setQuoteNum(quotes.size()); list.add(vo); }); } 请用Java简化代码

vo.setVideosList(videosService.findByCommodityId(i.getId(), null).stream().limit(1).collect(Collectors.toList())); vo.setQuoteNum(smsQuoteService.findByNeedId(i.getId()).size()); return vo; }) ....

将下列for循环转换成递归 // 查询所有省 List<CityVo> provinceList = regionMapper.findAllProvince(); // 查询所有市 List<CityVo> cityList = regionMapper.findAllCity(); // 查询所有区县 List<CityVo> areaList = regionMapper.findAllArea(); // 查询所有街道 List<CityVo> streetList = regionMapper.findAllStreet(); List<RegionVo> compensationList = new ArrayList<>(); List<RegionVo> list = new ArrayList<>(); // 组装数据 if (CollectionUtil.isNotEmpty(provinceList)){ for (CityVo province : provinceList) { RegionVo provinceVo = new RegionVo() .setLabel(province.getName()) .setValue(province.getId().toString()); if (CollectionUtil.isNotEmpty(cityList)){ List<RegionVo> citys = new ArrayList<>(); for (CityVo city : cityList) { if (province.getId().equals(city.getPId())){ RegionVo cityVo = new RegionVo() .setValue(city.getId().toString()) .setLabel(city.getName()); if (CollectionUtil.isNotEmpty(areaList)){ List<RegionVo> areas = new ArrayList<>(); for (CityVo area : areaList) { if (area.getPId().equals(city.getId())){ RegionVo areaVo = new RegionVo() .setValue(area.getId().toString()) .setLabel(area.getName()); if (CollectionUtil.isNotEmpty(streetList)){ List<RegionVo> streets = new ArrayList<>(); for (CityVo street : streetList) { if (street.getPId().equals(area.getId())){ RegionVo streetVo = new RegionVo() .setValue(street.getId().toString()) .setLabel(street.getName()); streets.add(streetVo); } } if (CollectionUtil.isEmpty(streets)){ compensationList.add(areaVo); } areaVo.setChildren(streets); } areas.add(areaVo); } } cityVo.setChildren(areas); } citys.add(cityVo); } } provinceVo.setChildren(citys); } list.add(provinceVo); }

private void assembleData(List<CityVo> provinceList, List<CityVo> cityList, List<CityVo> areaList, List<CityVo> streetList, List<RegionVo> compensationList, List<RegionVo> list) { for (CityVo ...

Map<String, OrganizationLevelVo> data = organizationFeignService.getResourceLevelCity("1533835007229984").getData(); List<OrganizationVo> voList = organizationFeignService.getLargeScreenResourceCity().getData(); List<String> ids = voList.stream().map(OrganizationVo::getId).collect(Collectors.toList()); List<OrganizationLevelVo> vos = new ArrayList<>(); for (String s : data.keySet()) { for (String id : ids) { if (s.equals(id)){ vos.add(data.get(s)); } } }优化一下代码

List<OrganizationLevelVo> vos = data.entrySet().stream() .filter(entry -> ids.contains(entry.getKey())) .map(Map.Entry::getValue) .collect(Collectors.toList()); 其中，entrySet() 方法返回映射...

List<CommentRepliesBO> repliesBOS = CommentRepliesDtoAssembler.infoBoToBo(commentInfoBO); 以上列表使用stream拆分成每10条一个

List<CommentRepliesBO> subList = repliesBOS.subList(currentIndex * batchSize, Math.min(repliesBOS.size(), (currentIndex + 1) * batchSize)); // 对每个subList做进一步处理... currentIndex++; }

翻译代码 List<MauTag> tags = CDPHelper.objectMapper().readValue(body, new TypeReference>() { }); mauTagId = tags.isEmpty() ? 0 : tags.get(0).getId();

这段代码的作用是将接收到的 JSON 字符串解析为 List<MauTag> 类型的对象，并获取该 List 中第一个元素的 ID 值赋值给变量 mauTagId。具体翻译如下： java List<MauTag> tags = CDPHelper.objectMapper()....

帮我解释一下下面的代码 public PageResponse<QuestionVo> getQuestionVoByIds(List<Integer> ids) { List<Question> questions = questionMapper.selectBatchIds(ids); List<Answer> answers = answerMapper.selectList(new QueryWrapper<Answer>().in("question_id", ids)); List<QuestionVo> questionVos = questions.stream() .map(question -> { Answer currentQuestionAnswer = answers.stream() .filter(answer -> answer.getQuestionId().equals(question.getId())) .findFirst() .orElse(null); return buildQuestionVoByQuestionAndAnswer(question, currentQuestionAnswer); }).collect(Collectors.toList()); return PageResponse.<QuestionVo>builder() .data(questionVos) .total(questionVos.size()) .build();

最后，使用Collectors.toList()将所有的QuestionVo对象收集到一个列表中。最后，通过PageResponse.builder()创建一个PageResponse对象，并设置data属性为问题Vo对象列表，total属性为问题Vo对象列表的大小，然后...

帮我优化一下 List<AppResInfoNodeDTO> appResInfoNodeDTOS = new ArrayList<>(); final List<AppResInfo> appResInfoList = appResInfoService.list(Wrappers.lambdaQuery(AppResInfo.class) .eq(AppResInfo::getIsDel, IsDelEnum.NO.getCode()) .eq(AppResInfo::getAppId, appInfo.getId())); final Map<Long, AppResInfoNodeDTO> collect = appResInfoNodeDTOS.stream().collect(Collectors.toMap(AppResInfoNodeDTO::getId, Function.identity())); final List<Long> deleteIdList = new ArrayList<>(); for (AppResInfo appResInfo : appResInfoList) { if (!collect.containsKey(appResInfo.getId())) { deleteIdList.add(appResInfo.getId()); } }

List<AppResInfoNodeDTO> appResInfoNodeDTOS = new ArrayList<>(); List<AppResInfo> appResInfoList = appResInfoService.list(Wrappers.lambdaQuery(AppResInfo.class) .eq(AppResInfo::getIsDel, IsDelEnum.NO....

List<DataPermissionSchemaEo> dataPermissionSchemaList = dataPermissionSchemaEoList.stream().map(dataPermissionSchemaEo -> { List<SchemaRowRuleEo> schemaRowRules = userRowRuleList.stream() .filter(schemaRule -> dataPermissionSchemaEo.getId().equals(schemaRule.getSchemaId())) .collect(Collectors.toList()); List<SchemaColumnRuleEo> schemaColumnRules = userColumnRuleList.stream() .filter(schemaRule -> dataPermissionSchemaEo.getId().equals(schemaRule.getSchemaId())) .collect(Collectors.toList()); if(!schemaRowRules.isEmpty() || !schemaColumnRules.isEmpty()) { DataPermissionSchemaEo dataPermissionSchema = new DataPermissionSchemaEo(); dataPermissionSchema.setDatabaseCode(dataPermissionSchemaEo.getDatabaseCode()); dataPermissionSchema.setSchemaCode(dataPermissionSchemaEo.getSchemaCode()); dataPermissionSchema.setSchemaRowRuleEoList(schemaRowRules); dataPermissionSchema.setSchemaColumnRuleEoList(schemaColumnRules); return dataPermissionSchema; } return null; }).filter(Objects::nonNull).collect(Collectors.toList());单独做成一个方法

public List<DataPermissionSchemaEo> filterDataPermissionSchemas(List<DataPermissionSchemaEo> dataPermissionSchemaEoList, List<SchemaRowRuleEo> userRowRuleList, List<SchemaColumnRuleEo> ...

public PageResult<ServerReqVO> setDeptName(PageResult<ServerReqVO> serverReqVOPageResult) { if (serverReqVOPageResult.getTotal()==0){ return serverReqVOPageResult; }else { List<ServerReqVO> list = serverReqVOPageResult.getList(); List<Long> ids = list.stream().map(ServerReqVO::getId).collect(Collectors.toList()); List<DeptRespDTO> depts = deptApi.getDepts(ids); List<String> deptNames = depts.stream().map(DeptRespDTO::getName).collect(Collectors.toList()); int deptNameId = 0; for (ServerReqVO serverReqVO : list) { serverReqVO.setDeptName(deptNames.get(deptNameId)); deptNameId++; } return serverReqVOPageResult.setList(list); } }

这是一个 Java 代码片段，它的功能是根据一组服务器请求的 ID，获取这些服务器所属的部门名称，并将部门名称设置到对应的服务器请求对象中。如果服务器请求对象列表为空，则直接返回该列表；否则，通过调用 deptApi....

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List<EcpiTree> ecpiTrees = ecpiTreeMapper.selectList(null); 的数据拷贝到 List<TreeItem> treeItemList = new ArrayList<TreeItem>();

List<DeviceTransferEntity> allById = deviceTransferRepository.findAllById((Iterable<UUID>) deviceTransfer.getDeviceProfile().getId()); stream流得到Device的集合

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翻译代码 List<MauTag> tags = CDPHelper.objectMapper().readValue(body, new TypeReference>() { }); mauTagId = tags.isEmpty() ? 0 : tags.get(0).getId();

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