mongoTemplate的增删改查

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1、增加或保存

public void saveOrUpdateExperiment(Experiment experiment) {
 
      if (StringUtil.hasText(experiment.getExpNo())) {
          Query query = new Query();
          Criteria criteria = Criteria.where("exp_no").is(experiment.getExpNo());
          query.addCriteria(criteria);
          Experiment exp = mongoTemplate.findAndRemove(query, Experiment.class);
          experiment.setCreator(exp.getCreator());
          experiment.setCreateDate(exp.getCreateDate());
      }
 
      mongoTemplate.save(experiment);
  }

2、查询一条记录

public Experiment getExperimentByExpNo(String expNo) {
       Query query = new Query();
       Criteria criteria = Criteria.where("exp_no").is(expNo);
       query.addCriteria(criteria);
       return mongoTemplate.findOne(query, Experiment.class);
   }

3、查询List

public List<Project> getProjects(String creator) {
        Query query = new Query();
        if (StringUtil.hasText(creator)) {
            Criteria criteria = Criteria.where("creator").is(creator);
            query.addCriteria(criteria);
        }
        return mongoTemplate.find(query, Project.class);
    }

4、删除

Query query = Query.query(Criteria.where("classId").is("1"));
mongoTemplate.remove(query,"class");

5、增加

   /**
     * 插入用户消息
     *
     * @param appMsgUser
     */
    @Override
    public void insertMsgUser(AppMsgUser appMsgUser) {
        mongoTemplate.insert(appMsgUser);
    }

6、模糊查询

public List<Sample> findSamples(String memberId, SelectVo selectVo) {
       Criteria criteria = Criteria.where("creator").is(memberId);
       if (StringUtil.hasText(selectVo.getName())) {
           Pattern pattern = Pattern.compile("^.*" + selectVo.getName() + ".*$", Pattern.CASE_INSENSITIVE);
           criteria.orOperator(Criteria.where("projectNo").regex(pattern), Criteria.where("name").regex(pattern));
       }
       return findPageList(Query.query(criteria), Sample.class, new PageTag(selectVo.getPage(), selectVo.getPageSize()));
   }

6、修改

public void modifyHitNumByNo(String no) {
       Query query = new Query();
       query.addCriteria(Criteria.where("sap_no").is(no));
       Update update = new Update();
       update.inc("hit_num", 1);
       mongoTemplate.updateFirst(query, update, Project.class);
   }

7、分页查询

public List<Sample> searchAllSample(String id, PageTag page) {
       Query query = new Query();
       query.with(new Sort(new Sort.Order(Sort.Direction.DESC, "update_date")));
       int skip = (page.getCurrentPage() - 1) * page.getPageSize();
       if (StringUtil.hasText(id)) {
           Criteria criteria = Criteria.where("creator").is(id);
           query.addCriteria(criteria);
       }
       query.skip(skip);// 从那条记录开始
       query.limit(page.getPageSize());// 取多少条记录
       return mongoTemplate.find(query, Sample.class);
   }

8、计算数量

public long countSample(String id) {
        Query query = new Query();
        if (StringUtil.hasText(id))
            query.addCriteria(Criteria.where("creator").is(id));
 
        return mongoTemplate.count(query, Sample.class);
    }

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