mongoDb 多条件模糊查询

    //模糊匹配
                Pattern pattern = Pattern.compile("^.*" + dto.getQueryKey() + ".*$", Pattern.CASE_INSENSITIVE);
                Criteria cr = new Criteria();
              //多条件模糊查询
                query.addCriteria(cr.orOperator(
                        Criteria.where("collectorNo").regex(pattern),
                        Criteria.where("username").regex(pattern),
                        Criteria.where("value").regex(pattern),
                        Criteria.where("electricValveName").regex(pattern)));
            }