摘要: searchNum:为当前查询的编号 1.查询上一条数据 select * from tbl_stu where num = (select max(num) from tbl_stu where num < searchNum) 2.查询下一条数据 select * from tbl_stu wh 阅读全文
posted @ 2021-07-06 10:51 码农小匠 阅读(1525) 评论(0) 推荐(0) 编辑