select a.* from unit_info a a.del_flag = '0' and a.nick_name IN (SELECT dwmc FROM asset_current); and a.nick_name like concat('%',#{req.nickName},'%') and a.dwlx = #{req.dwlx} and a.user_name like concat('%',#{req.userName},'%') select a.*,c.*,e.* from unit_info a left join unit_other_contact c on a.id = c.unit_id left join unit_examine_info e on a.id = e.unit_id where id = #{id} select user_name from unit_info where id = #{id} SELECT a.* FROM unit_info a a.nick_name NOT IN (SELECT dwmc FROM asset_task where task_status=1) and a.del_flag = '0' and a.nick_name like concat('%',#{req.nickName},'%') and a.dwlx = #{req.dwlx} and a.user_name like concat('%',#{req.userName},'%') update unit_info set del_flag = '2' where id = #{id} update sys_user set del_flag = '2' where user_name in #{userNames}