List<Issue> issList = new ArrayList<>();
Date date=Utils.parseDate("20151001","yyyyMMdd");//返回一个date类型的日期
Query query1 =Query.query(Criteria.where("date").is(date));
issList = mongoOps.find(query1,Issue.class);
数据库中20151001是有值的,但是用debug发现是空值,再下一步就直接异常,怎么破?