spring mybatis汇总统计处理的示例分析

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public PageInfo getCenterInvestAnswerSum(GetCenterInvestSumReq askReq)   throws BusinessException {  PageInfo pageResult = new PageInfo();  final String METHOD = "getCenterAskInvestSum";  try {   PageHelper.startPage(askReq.getPageNum(), askReq.getPageSize());   LogUtil.logInput(LOG_TYPE.BIZ.val, this, METHOD, askReq);   // 1.如果存在投顾,es查询投顾信息   List adviserIdList = null;   Map adviserMap = null;   if (StringUtils.hasLength(askReq.getInvestAdviserName())) {    AdviserEsReq adviserEsReq = new AdviserEsReq();    adviserEsReq.setInvestAdviserName(askReq.getInvestAdviserName());    adviserEsReq.setPageSize(1000);    PageInfo pageInfo = AdviserEsUtils.findByParams(adviserEsReq);    if (CollectionUtils.isEmpty(pageInfo.getList())) {     return pageResult;    }    adviserIdList = new ArrayList();    adviserMap = new HashMap();    for (VdInvestAdviser adviser : pageInfo.getList()) {     adviserIdList.add(adviser.getId());     adviserMap.put(adviser.getId(), adviser);    }   }   // 2.查询需要统计的问股数据   AskStockStatisticsReq statisticsReq = new AskStockStatisticsReq();   statisticsReq.setBeginDate(DateUtils.toDate(askReq.getStartDate(), DateFormat.YEAR_MONTH_DAY));   statisticsReq.setEndDate(     DateUtils.nextDays(DateUtils.toDate(askReq.getEndDate(), DateFormat.YEAR_MONTH_DAY), 1));   statisticsReq.setAdviserIdList(adviserIdList);   List askList = this.apAskExtMapper.findByCreateTime(statisticsReq);   if (CollectionUtils.isEmpty(askList)) {    return pageResult;   }   // 3.判断是否需要查询投顾信息,用户未根据投顾姓名搜索则需要重新查询投顾信息   if (CollectionUtils.isEmpty(adviserIdList)) {    adviserIdList = new ArrayList();// 最后循环组数据要用    Set adviserIdSet = new HashSet();// 去重用    adviserMap = new HashMap();    askList.forEach(ask -> {     adviserIdSet.add(ask.getAdviserId());    });    adviserIdList.addAll(adviserIdSet);    List adviserList = AdviserEsUtils.findByIds(adviserIdList);    for (VdInvestAdviser adviser : adviserList) {     adviserMap.put(adviser.getId(), adviser);    }   }   // 4.统计数据   Map askCountMap = new HashMap();// 提问数map   Map answerCountMap = new HashMap();// 解答数map   Map reportCountMap = new HashMap();// 举报数map   Map qualifiedCountMap = new HashMap();// 合格数map   Map complianceCountMap = new HashMap();// 合规数map   askList.forEach(ask -> {    Long key = ask.getAdviserId();    setDataMap(askCountMap, key, 1);    if (ask.getAnswerFlag() != null && ask.getAnswerFlag()) {     setDataMap(answerCountMap, key, 1);    }    if (ask.getReportFlag() != null && ask.getReportFlag()) {     setDataMap(reportCountMap, key, 1);    }    if (ask.getQualifiedFlag() != null && ask.getQualifiedFlag()) {     setDataMap(qualifiedCountMap, key, 1);    }    if (ask.getComplianceFlag() != null && ask.getComplianceFlag()) {     setDataMap(complianceCountMap, key, 1);    }   });   // 5.组返回页面数据   List resultList = new ArrayList();   for (Long adviserId : adviserIdList) {    VdInvestAdviser adviser = adviserMap.get(adviserId);    GetCenterInvestSumRes res = new GetCenterInvestSumRes();    res.setAdviserId(adviserId);    res.setInvestAdviserName(adviser.getInvestAdviserName());    res.setInvestAdviserDept(adviser.getInvestAdviserDept());    res.setSatisfied(adviser.getAverageSatisfied());    res.setYybCode(adviser.getYybCode());    res.setAskAdviserCount(answerCountMap.containsKey(adviserId) ? answerCountMap.get(adviserId) : 0);    res.setAskCount(askCountMap.containsKey(adviserId) ? askCountMap.get(adviserId) : 0);    res.setQualifiedCount(qualifiedCountMap.containsKey(adviserId) ? qualifiedCountMap.get(adviserId) : 0);    res.setComplianceCount(      complianceCountMap.containsKey(adviserId) ? complianceCountMap.get(adviserId) : 0);    res.setReportFlagCount(reportCountMap.containsKey(adviserId) ? reportCountMap.get(adviserId) : 0);    resultList.add(res);   }   pageResult.setList(resultList);  } catch (Exception e) {   LogUtil.logError(LOG_TYPE.BIZ.val, this, METHOD, e);   throw ExceptionUtil.generateException("统计解答问股的投股信息", e);  }  return pageResult; }

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