t.dorm_id as dormId, t.user_id as userId t.user_id = #{userId} AND select from sys_dorm_user t where t.dorm_id=#{dormId} select version from sys_dorm_user where dorm_id=#{dormId} SELECT from sys_dorm_user t SELECT from sys_dorm_user t SELECT spu.user_id as userId, spu.real_name as realName, spu.sex from sys_dorm_user t left join sys_plat_user spu on spu.user_id = t.user_id where t.is_use = 1 and t.dorm_id = #{dormId} insert into sys_dorm_user id, dorm_id, user_id, #{id}, #{dormId}, #{userId}, update sys_dorm_user user_id=#{userId}, where dorm_id=#{dormId} update sys_dorm_user SET is_use = 0 where dorm_id=#{dormId} delete from sys_dorm_user where dorm_id=#{dormId}