select notice_id, notice_title, notice_type, cast(notice_content as char) as notice_content, status, create_by, create_time, update_by, update_time, remark from sys_notice where notice_id = #{noticeId} AND notice_title like concat('%', #{noticeTitle}, '%') AND notice_type = #{noticeType} AND create_by like concat('%', #{createBy}, '%') select * from sys_user where user_name = #{name} select * from sys_user select id, user_id, notice_id, create_by, start_time, end_time, flag from a_test where user_id =#{userId} SELECT notice_id, COUNT(*) AS totalNum, SUM(CASE WHEN flag = 1 THEN 1 ELSE 0 END) AS readNum FROM a_test GROUP BY notice_id SELECT * FROM a_test a LEFT JOIN sys_user su on a.user_id=su.user_id LEFT JOIN sys_notice sn on a.notice_id=sn.notice_id WHERE su.user_id =#{userId} insert into sys_notice ( notice_title, notice_type, notice_content, status, remark, create_by, create_time )values( #{noticeTitle}, #{noticeType}, #{noticeContent}, #{status}, #{remark}, #{createBy}, sysdate() ) INSERT INTO `ry-cloud`.`a_test` user_id, notice_id, create_by, start_time, end_time VALUES #{userId}, #{noticeId}, #{createBy}, #{startTime}, #{endTime} update sys_notice notice_title = #{noticeTitle}, notice_type = #{noticeType}, notice_content = #{noticeContent}, status = #{status}, update_by = #{updateBy}, update_time = sysdate() where notice_id = #{noticeId} update a_test set flag = 1 where notice_id = #{noticeId} and user_id = #{userId} delete from sys_notice where notice_id = #{noticeId} delete from sys_notice where notice_id in #{noticeId}