if ("done".equals(userVideo.getProductionStatus())) { setUserVideoInfo(userVideo); List<JobInfo> jobList = userVideo.getJobList(); if (jobList != null) { for (JobInfo jobInfo : jobList) { if (jobInfo.getJobStatus() != 1) { continue; } if ("img-preferred".equals(jobInfo.getJobType())) { List<MiniJobImg> images = JSONArray.parseArray(jobInfo.getPhotoUrl(), MiniJobImg.class); for (MiniJobImg img : images) { MiniJobImg jobImg = imgMapper.selectOne(Wrappers.<MiniJobImg>lambdaQuery() .eq(MiniJobImg::getImgId, img.getImgId())); if (jobImg != null) { img.setDownloadState(jobImg.getDownloadState()); } } jobInfo.setPhotoUrl(JSON.toJSONString(images)); } MiniUserJob userJob = baseMapper.selectOne(Wrappers.<MiniUserJob>lambdaQuery() .eq(MiniUserJob::getJobId, jobInfo.getJobId())); jobInfo.setDownloadState(userJob != null ? userJob.getDownloadState() : 1); } }

java 中String.equals和==的比较

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List<DataPermissionSchemaEo> dataPermissionSchemaEoList = comDataComponent.getDataPermissionSchemaList(); List<SchemaRowRuleEo> schemaRowRuleList = comDataComponent.getSchemaRowRuleList(); List<SchemaColumnRuleEo> schemaColumnRuleList = comDataComponent.getSchemaColumnRuleList(); //设置行权限根据用户id和用户组织去获取 List<SchemaRowRule> userRowRuleList = schemaRowRuleList.stream() .filter(schemaRowRuleEo -> { List<String> userList = JSONObject.parseArray(schemaRowRuleEo.getRowPermissionUserList(), String.class); List<String> orgList = JSONObject.parseArray(schemaRowRuleEo.getRowPermissionOrgList(), String.class); return userList.contains(userUid) || orgList.contains(orgCode) || userList.contains(WILDCARD) || orgList.contains(WILDCARD); }) .map(schemaRowRuleEo -> { SchemaRowRule schemaRowRule = new SchemaRowRule(); BeanUtils.copyProperties(schemaRowRuleEo, schemaRowRule); return schemaRowRule; }) .collect(Collectors.toList());List<SchemaColumnRule> userColumnRuleList = schemaColumnRuleList.stream() .filter(rule -> { List<String> userList = Optional.ofNullable(rule.getColumnPermissionUserList()) .map(userListStr -> JSONObject.parseArray(userListStr, String.class)) .orElse(Collections.emptyList()); List<String> orgList = Optional.ofNullable(rule.getColumnPermissionOrgList()) .map(orgListStr -> JSONObject.parseArray(orgListStr, String.class)) .orElse(Collections.emptyList()); return userList.contains(userUid) || orgList.contains(orgCode) || userList.contains(WILDCARD) || orgList.contains(WILDCARD); }) .map(rule -> { SchemaColumnRule columnRule = new SchemaColumnRule(); BeanUtils.copyProperties(rule, columnRule); return columnRule; }) .collect(Collectors.toList()); List<DataPermissionSchema> dataPermissionSchemaList = dataPermissionSchemaEoList.stream().map(dataPermissionSchemaEo -> { List<SchemaRowRule> schemaRowRules = userRowRuleList.stream() .filter(schemaRule -> dataPermissionSchemaEo.getDatabaseCode().equals(schemaRule.getDatabaseCode()) && dataPermissionSchemaEo.getSchemaCode().equals(schemaRule.getSchemaCode())) .collect(Collectors.toList()); List<SchemaColumnRule> schemaColumnRules = userColumnRuleList.stream() .filter(schemaRule -> dataPermissionSchemaEo.getDatabaseCode().equals(schemaRule.getDatabaseCode()) && dataPermissionSchemaEo.getSchemaCode().equals(schemaRule.getSchemaCode())) .collect(Collectors.toList()); if(!schemaRowRules.isEmpty() || !schemaColumnRules.isEmpty()) { DataPermissionSchema dataPermissionSchema = new DataPermissionSchema(); dataPermissionSchema.setDatabaseCode(dataPermissionSchemaEo.getDatabaseCode()); dataPermissionSchema.setSchemaCode(dataPermissionSchemaEo.getSchemaCode()); dataPermissionSchema.setSchemaRowRuleList(schemaRowRules); dataPermissionSchema.setSchemaColumnRuleList(schemaColumnRules); return dataPermissionSchema; } return null; }).filter(Objects::nonNull).collect(Collectors.toList());把这段代码改造成每个用户拥有的行权限和列权限

public List<DataPermissionSchema> getUserDataPermissionSchema(String userUid, String orgCode) { List<DataPermissionSchemaEo> dataPermissionSchemaEoList = comDataComponent.getDataPermissionSchemaList...

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 ...

List<RsysMenu> rootMenus = list.stream().filter(item -> "M".equals(item.getParentId())).sorted().collect(Collectors.toList()); List<RsysMenu> rootMenus = list.stream().filter(item -> "M".equals(item.getParentId())).sorted().collect(Collectors.toList()); List<RsysMenu> rootMenus = list.stream().filter(item -> "M".equals(item.getParentId())).sorted().collect(Collectors.toList()); List<RsysMenu> rootMenus = list.stream().filter(item -> "M".equals(item.getParentId())).sorted().collect(Collectors.toList()); List<RsysMenu> rootMenus = list.stream().filter(item -> "M".equals(item.getParentId())).sorted().collect(Collectors.toList());

List<RsysMenu> rootMenus = list.stream() .filter(item -> "M".equals(item.getParentId())) .sorted() .collect(Collectors.toList()); 这样，你就可以得到一个包含所有父节点为"M"的菜单项，并按照排序...

List<HomeEntity> test = homeDao.test(); //测试 List<HomeEntity> test1 = modelRuleDao.test(); List<HomeEntity> test2 = new ArrayList<>(); for (HomeEntity homeEntity : test) { String tablename = homeEntity.getTABLENAME(); String columnname = homeEntity.getCOLUMNNAME(); for (HomeEntity entity : test1) { String name = entity.getTABLENAME(); String column = entity.getCOLUMNNAME(); if (tablename.equals(name)) { if (columnname.equals(column)) { String columntype = homeEntity.getCOLUMNTYPE(); String columntype1 = entity.getCOLUMNTYPE(); if (columntype.equals(columntype1)) { test2.add(entity); } } } } }优化代码

List<HomeEntity> test2 = new ArrayList<>(); Map<String, HomeEntity> entityMap = new HashMap<>(); for (HomeEntity entity : test1) { String name = entity.getTABLENAME() + "_" + entity.getCOLUMNNAME();...

解释以下代码:public List<Book> findeByName(String name) {List<Book> result = new ArrayList<Book>() ;for (Book book : books) {} if (book . getName() .equals(name)) fresult. add(book) ;

这段代码是一个方法，输入参数为一个字符串 name，返回类型为 Book 类型的列表 List<Book>。方法的作用是在一个名为 books 的 Book 类型列表中，查找名称等于输入参数 name 的书籍，并将所有符合条件的书籍添加到...

将下面代码进行优化,使用Stream流处理 List ptmItemVoList = baseMapper.selectVoList(wrapper); List list = new ArrayList<>(); for (PtmItemVo item : ptmItemVoList) { if ("dwgc".equals(item.getType())) { List zdwgcList = findListByParentId(item.getId()); for (PtmItemVo zdwgcEntity : zdwgcList) { if ("zdwgc".equals(zdwgcEntity.getType())) { list.add(zdwgcEntity); } else if (!list.contains(item)) { list.add(item); } } } }

List<PtmItemVo> list = baseMapper.selectVoList(wrapper) .stream() .filter(item -> "dwgc".equals(item.getType())) .flatMap(item -> { List<PtmItemVo> zdwgcList = findListByParentId(item.getId()); ...

优化这段代码 List<ZtreeVOYJ> yyzxList=new ArrayList<>(); List<ZtreeVOYJ> secondList=new ArrayList<>(); List<ZtreeVOYJ> lastList=new ArrayList<>(); for (ZtreeVOYJ ztreeVOYJ : ztreeVOYJList) { if (!ObjectUtils.isEmpty(ztreeVOYJ.getSource())){ String source = ztreeVOYJ.getSource(); if("yyzx".equals(source)){ yyzxList.add(ztreeVOYJ); }else if ("10003".equals(source)) { secondList.add(ztreeVOYJ); }else { lastList.add(ztreeVOYJ); } }else { lastList.add(ztreeVOYJ); } }

List<ZtreeVOYJ> yyzxList = ztreeVOYJList.stream() .filter(ztreeVOYJ -> !ObjectUtils.isEmpty(ztreeVOYJ.getSource())) .filter(ztreeVOYJ -> "yyzx".equals(ztreeVOYJ.getSource())) .collect(Collectors.to...

public Map<String, List<String>> pastfree(List<FreezeAuthorityOut> data,Map<String, List<String>> map){ for (FreezeAuthorityOut authority : data) { List<String> list = new ArrayList<>(); for (FreezeAuthorityOut offlineLockAuthority : data) { if (authority.getLockUid().equals(offlineLockAuthority.getLockUid()) && map != null) { List<String> key = map.get(authority.getLockUid()); if (key == null) { list.add(authority.getCardNumber()); } } } if (map != null) { List<String> key = map.get(authority.getLockUid()); if (key == null) { //去重 list = list.stream().distinct().collect(Collectors.toList()); map.put(authority.getLockUid(), list); } } } return map; } 如何优化

public Map<String, List<String>> pastfree(List<FreezeAuthorityOut> data, Map<String, List<String>> map) { for (FreezeAuthorityOut authority : data) { if (map != null && !map.containsKey(authority....

帮我优化以下代码：private static List randomExamTopic(List<AbiIndicator> indicators, List<AbiIndicator> rootIndicators, int[][] randomTopicNum, List topics) { List res = new ArrayList<>(); for (AbiIndicator rootIndicator : rootIndicators) { List<AbiIndicator> secondIndicators = indicators.stream().filter(it -> rootIndicator.getId().equals(it.getParentId())).collect(Collectors.toList()); for (int i = 0; i < secondIndicators.size(); i++) { int[] topicNums = randomTopicNum[i]; for (int k = 0; k < topicNums.length; k++) { int topicNum = topicNums[k]; if (topicNum > 0) { List randomTopics = getRandomTopics(topics, secondIndicators.get(i).getId(), k + 1, topicNum); res.addAll(randomTopics); } } } } return res; }

List<AbiIndicator> secondIndicators = indicators.stream().filter(it -> rootIndicator.getId().equals(it.getParentId())).collect(Collectors.toList()); for (AbiIndicator secondIndicator : ...

List<SchemaRowRuleEo> userRowRuleList = schemaRowRuleList.stream() .filter(schemaRowRuleEo -> { List<String> userList = JSONObject.parseArray(schemaRowRuleEo.getRowPermissionUserList(), String.class); List<String> orgList = JSONObject.parseArray(schemaRowRuleEo.getRowPermissionOrgList(), String.class); return userList.contains(userUid) || orgList.contains(orgCode) || userList.contains("") || orgList.contains("") || Objects.equals(orgCode, null); }) .collect(Collectors.toList());代码优化防止空指针异常

List<String> userList = JSONObject.parseArray(schemaRowRuleEo.getRowPermissionUserList(), String.class); List<String> orgList = JSONObject.parseArray(schemaRowRuleEo.getRowPermissionOrgList(), ...

优化下面的代码 public Page<FinanceCodeDTO> selectFinanceCodePage(FinanceCodeListVO financeCodeListVO) { //根据类型关联查询数据信息 Page<FinanceCodeDTO> page = new Page<>(financeCodeListVO.getPageNo(),financeCodeListVO.getPageSize()); Page<FinanceCodeDTO> dtoPage = financeCodeMapper.financeCodeList(page, financeCodeListVO); List<FinanceCodeDTO> dtos = dtoPage.getRecords(); List<String> contractIds = dtos.stream().map(FinanceCodePO::getContractIds).collect(Collectors.toList()); List<Integer> idList = new ArrayList<>(); contractIds.forEach(ids -> { if (ToolUtil.isNotEmpty(ids) && !ToolUtil.equals("[]",ids)){ List<Integer> list = JSONObject.parseArray(ids, Integer.class); idList.addAll(list); } }); if (ToolUtil.isNotEmpty(idList)){ CustomerContractPO customerContractPO = new CustomerContractPO(); List<CustomerContractPO> customerContractPOS = customerContractPO.selectList(new QueryWrapper<>(customerContractPO).lambda().in(CustomerContractPO::getCustomerContractId, idList)); Map<Integer, String> map = customerContractPOS.stream().collect(Collectors.toMap(CustomerContractPO::getCustomerContractId, CustomerContractPO::getContractName)); dtos.forEach(dto ->{ if (ToolUtil.isNotEmpty(dto.getContractIds())&& !ToolUtil.equals("[]",dto.getContractIds())){ List<Integer> list = JSONObject.parseArray(dto.getContractIds(), Integer.class); List<String> names = new ArrayList<>(); list.forEach(id ->{ names.add(map.get(id)); }); dto.setContractName(String.join(",",names)); } }); dtoPage.setRecords(dtos); } return dtoPage ; }

List<ContractDTO> contractDTOList = contractMapper.selectContractByIdList(idList); dtos.forEach(dto -> { dto.setContractList(contractDTOList); }); return dtoPage; }答：根据给定的代码，优化的思路是把...

private static List<String> matchDisNames(List<String> disNames,List<String> keyWords){ List<String> result = new ArrayList<>(); for (String disName:disNames){ for (String kw:keyWords){ if (!"".equals(kw) && disName.contains(kw)){ result.add(disName); break; } } } return result; } 优化

private static List<String> matchDisNames(List<String> disNames, List<String> keyWords) { return disNames.stream() .filter(disName -> keyWords.stream().anyMatch(kw -> !kw.isEmpty() && disName....

//1.获取最新两期日期 List<String> lastTwoDate = industryScoreInfoRepository.getLastTwoDate(); // List<String> lastTwoDate = new ArrayList<>(); // lastTwoDate.add("2023-02-28"); // lastTwoDate.add("2023-01-31"); log.info("当前观点较上期变化日期："+new Gson().toJson(lastTwoDate)); //2.根据日期获取数据 List<IndustryScoreInfo> industryScoreInfoByDate = industryScoreInfoRepository.getIndustryLastScoreInfos(lastTwoDate); Map<String, List<IndustryScoreInfo>> groups = industryScoreInfoByDate.stream().collect(Collectors.groupingBy(IndustryScoreInfo::getTrackDate)); // 遍历groups中的每个List<IndustryScoreInfo> List<IndustryScoreResult> industryScoreResults = new ArrayList<>(); //获取当前最新日期综合得分 List<IndustryScoreInfo> industryScoreInfos = groups.get(lastTwoDate.get(0)); //获取上一日期综合得分 List<IndustryScoreInfo> last = groups.get(lastTwoDate.get(1)); for(IndustryScoreInfo industry: industryScoreInfos){ IndustryScoreResult result = new IndustryScoreResult(); result.setTrackDate(industry.getTrackDate()); result.setTrackName(industry.getTrackName()); //当前日期观点分数 result.setComprehensiveScore(industry.getComprehensiveScore()); //对上一日期遍历获取track_name相同时，的综合得分，赋值如果上一日期不存在，则为空串（""）返回 for(IndustryScoreInfo lastIndustryScoreInfo: last){ if(result.getTrackName().equals(lastIndustryScoreInfo.getTrackName())){ result.setLastComprehensiveScore(lastIndustryScoreInfo.getComprehensiveScore()); } } industryScoreResults.add(result); } 代码优化

List<IndustryScoreInfo> current = entry.getValue().stream().filter(info -> info.getTrackDate().equals(entry.getKey())).collect(Collectors.toList()); List<IndustryScoreInfo> last = entry.getValue()....

public List<Course> getCourseType(String couresrType) { //查询全部课程信息 List<Course> list = getAllCourse(); //创建集合对象 List<Course> listType = new ArrayList<>(); //遍历集合 for (Course course : list) { if (getCourseType(couresrType).equals(course.getCourseType())) { listType.add(course); } } return listType; } private void showCourseByType() { System.out.println("请输入课程类别："); String courseType = input.next(); //调用根据类别显示课程的信息 List<Course> list =role.query(courseType); showList(list); } Required type: List <com.sxau.learningsystem.pojo.Course> Provided: Course

在getCourseType方法中，您尝试将一个Course对象赋值给一个期望的列表类型List<Course>。同样，在showCourseByType方法中，您尝试将role.query(courseType)返回的单个Course对象赋值给一个期望的列表...

优化一下代码 public IPage<FavoriteResp> favoritePage(IPage<FavoriteResp> page, String name, BladeUser bladeUser) { List<FavoriteResp> favoriteRespList; if (!AuthUtil.isAdministrator()) { favoriteRespList = baseMapper.favoritePage(page, name, bladeUser.getUserId()); } else { favoriteRespList = baseMapper.favoritePage(page, name, null); } List<SharedInfo> sharedInfoList = getSharedInfoList(); for (FavoriteResp favoriteResp : favoriteRespList) { List<SharedInfo> sharedInfos = sharedInfoList.stream().filter(sharedInfo -> sharedInfo.getResourcesId().equals(favoriteResp.getResourcesId())).collect(Collectors.toList()); favoriteResp.setResourcesTypeCn(DictCache.getValue(DictEnum.RESOURCES_TYPE, favoriteResp.getResourcesType())); List<String> memberImages = sharedInfos.stream().map(sharedInfo -> UserCache.getUser(sharedInfo.getSharedTo()).getAvatar()) .distinct().collect(Collectors.toList()); favoriteResp.setMemebersImage(memberImages); } return page.setRecords(favoriteRespList); }

private List<SharedInfo> getSharedInfoList(List<Long> resourcesIds) { QueryWrapper<SharedInfo> queryWrapper = new QueryWrapper<>(); queryWrapper.in("resources_id", resourcesIds); return ...

SingleOutputStreamOperator> applyDataStream = dataStreamSource.keyBy(value -> { String[] splitValues = value.getString("key").toString().split(":"); return splitValues[2]; }).window(TumblingProcessingTimeWindows.of(Time.seconds(2))).apply(new WindowFunction<JSONObject, List<JSONObject>, String, TimeWindow>() { @Override public void apply(String key, TimeWindow timeWindow, Iterable<JSONObject> input, Collector> out) throws Exception { List<JSONObject> output = new ArrayList<>(); input.forEach(s -> { // String topicName = ModelUtil.getConfigValue("ods_kafka_all_data_topicName") + "_" + key; //主题名称 String value = s.getString("value"); TranslateJson translateJson = JSON.parseObject(value, TranslateJson.class); if ("read".equals(translateJson.getType()) || "c".equals(translateJson.getType())) {//新增的数据才同步使用这种写法优化上面代码

.apply((String key, TimeWindow timeWindow, Iterable<JSONObject> input, Collector<List<JSONObject>> out) -> { List<JSONObject> output = new ArrayList<>(); input.forEach(s -> { String value = s....

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private static List<String> matchDisNames(List<String> disNames,List<String> keyWords){ List<String> result = new ArrayList<>(); for (String disName:disNames){ for (String kw:keyWords){ if (!"".equals(kw) && disName.contains(kw)){ result.add(disName); break; } } } return result; } 优化

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