t.area_id as areaId, t.user_id as userId t.user_id = #{userId} AND select from sys_area_user t where t.area_id=#{areaId} select version from sys_area_user where area_id=#{areaId} SELECT from sys_area_user t SELECT from sys_area_user t SELECT spu.user_id as userId, spu.real_name as realName from sys_area_user t left join sys_plat_user spu on spu.user_id = t.user_id where t.area_id = #{areaId} insert into sys_area_user id, area_id, user_id, #{id}, #{areaId}, #{userId}, update sys_area_user user_id=#{userId}, where area_id=#{areaId} update sys_area_user SET is_use = 0 where area_id=#{areaId} delete from sys_area_user where area_id=#{areaId}