springboot+mongodb如何實(shí)現(xiàn)按日期分組分頁查詢功能

這篇文章主要介紹springboot+mongodb如何實(shí)現(xiàn)按日期分組分頁查詢功能，文中介紹的非常詳細(xì)，具有一定的參考價(jià)值，感興趣的小伙伴們一定要看完！

具體代碼如下所示：

WalletDetailsResp walletDetailsResp = new WalletDetailsResp();
List<WalletDetailsResp.WalletDetail> list = new ArrayList<>();
WalletDetailsResp.PageInfoBean pageInfoBean = new WalletDetailsResp.PageInfoBean();
List<Integer> types = new ArrayList<>();
types.add(InnerCashType.FINISHER_ADD_CUTMONEY.getCode());
types.add(InnerCashType.FINISHER_ADD_REWARD.getCode());
types.add(InnerCashType.FINISHER_SUB_WITHDRAW.getCode());
types.add(InnerCashType.FINISHER_ADD_WITHDRAW.getCode());
Criteria eatCriteria = Criteria.where("_change_type").in(types).and("_downstream_user_id").is(userId);
Sort.Order orders = new Sort.Order(Sort.Direction.DESC, "changeDate");
Aggregation eatAggregation = Aggregation.newAggregation(
    Aggregation.match(eatCriteria),
    Aggregation.project("_change_money","_change_type").andExpression("substr(_change_time,0,10)").as("changeDate"),
    Aggregation.group("changeDate","_change_type").sum("_change_money").as("changeMoney"),
    Aggregation.sort(new Sort(orders)),
    Aggregation.skip(pageIndex > 1 ? (pageIndex - 1) * pageSize : 0L),
    Aggregation.limit(pageSize));
AggregationResults<BasicDBObject> eatOutputType = mongoTemplate.aggregate(eatAggregation, "inner_cash_change", BasicDBObject.class);
for (DBObject obj : eatOutputType) {
  WalletDetailsResp.WalletDetail walletDetail = new WalletDetailsResp.WalletDetail();
  walletDetail.setChangeType(Integer.parseInt(obj.get("_change_type").toString()));
  walletDetail.setChangeMoney(new BigDecimal(obj.get("changeMoney").toString()).divide(QRType.YUAN_TO_FEN));
  walletDetail.setChangeDate(obj.get("changeDate").toString());
  list.add(walletDetail);
}
walletDetailsResp.setWalletDetails(list);
pageInfoBean.setPageIndex(pageIndex);
pageInfoBean.setPageSize(pageSize);
pageInfoBean.setRecordTotal(eatOutputType.getMappedResults().size());
walletDetailsResp.setPageInfo(pageInfoBean);

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