總結一下,Spring Data JPA中自定義命名規則中,如何自定義排序規則


Spring Data JPA中自定義命名規則中,如何實現,自定義排序輸出


代碼如下

// findByName,會有重名的,返回list,默認是按照ID,返回,現自定義排序規則,按照入學時間升序排序
	@GetMapping("/findByName2")
	public ResultBean getbyName2(String name) {
		return ResultBean.ok(stu2Service.findByAndSort(name));
	}
public interface Stu2Service {
	List<Stu2> findByAndSort(String name);
}
public interface Stu2Repository extends JpaRepository<Stu2, Long>, JpaSpecificationExecutor<Stu2> {

	@Query("select u from Stu2 u where u.name=?1")
	List<Stu2> findByAndSort(String name, Sort sort);
}
@Override
public List<Stu2> findByAndSort(String name) {
	return stu2Repository.findByAndSort(name, Sort.by(Direction.ASC, "admissionTime"));
	}

啓動項目,訪問 http://ip:port/xxx//findByName2?name=xx

JPA生成的SQL語句爲

SELECT
	stu2x0_.id_ AS id_1_1_,
	stu2x0_.admission_time AS admissio2_1_,
	stu2x0_.age_ AS age_3_1_,
	stu2x0_.created_by AS created_4_1_,
	stu2x0_.hobbies_ AS hobbies_5_1_,
	stu2x0_.name_ AS name_6_1_,
	stu2x0_.phone_ AS phone_7_1_,
	stu2x0_.sid_ AS sid_8_1_,
	stu2x0_.summary_ AS summary_9_1_
FROM
	ls_stu2 stu2x0_
WHERE
	stu2x0_.name_ =?
ORDER BY
	stu2x0_.admission_time ASC

這裏是引用

響應數據爲JSON格式

{
    "code":"0",
    "msg":"成功",
    "result":[
        {
            "id":15,
            "sid":null,
            "name":"西門峯",
            "age":26,
            "phone":null,
            "hobbies":"籃球",
            "summary":"即使生活很喪,我依舊不想去做一個極端且悲觀的人,因爲我相信,既然有那麼多人憧憬未來,對生活滿懷期待,那這世界一定沒有我想的那麼糟糕。",
            "createdBy":"sl",
            "admissionTime":"2008-06-18 09:27:25"
        },
        {
            "id":16,
            "sid":null,
            "name":"西門峯",
            "age":13,
            "phone":null,
            "hobbies":"橄欖球",
            "summary":"To be or not to be……",
            "createdBy":"sl",
            "admissionTime":"2018-02-01 16:52:00"
        },
        {
            "id":14,
            "sid":null,
            "name":"西門峯",
            "age":21,
            "phone":null,
            "hobbies":"足球",
            "summary":"即使生活很喪,我依舊不想去做一個極端且悲觀的人,因爲我相信,既然有那麼多人憧憬未來,對生活滿懷期待,那這世界一定沒有我想的那麼糟糕。",
            "createdBy":"ls",
            "admissionTime":"2018-05-27 17:01:25"
        }
    ],
    "success":true
}
發表評論
所有評論
還沒有人評論,想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章