SELECT sp.name,sp.id FROM sys_position sp INNER JOIN sys_user_position sup on sp.id = sup.position_id WHERE sup.user_id = #{userId} SELECT name FROM sys_position WHERE id IN #{positionId} SELECT sp.name, sp.id, sup.user_id AS userId FROM sys_position sp INNER JOIN sys_user_position sup ON sp.id = sup.position_id WHERE sup.user_id IN #{uid}