03 2020 档案

springbootJpa Specification实现mysql中json字段查询
摘要：需求 SELECT order0_.id AS id1_53_WHERE JSON_EXTRACT ( order0_.ext_obj, '$.type' ) = 1 jpa写法 predicateList.add(criteriaBuilder.equal... 阅读全文
posted @ 2020-03-20 10:21 anliex 阅读(467) 评论(0) 推荐(0)
java对list中map集合中某个字段排序
摘要：List> content = new ArrayList(); Map map = new HashMap(); map.put("sort", 2); map.put("name", "qwe"); ... 阅读全文
posted @ 2020-03-06 14:10 anliex 阅读(89) 评论(0) 推荐(0)