UPDATE role_menu menu_id = #{item.menuId}, WHERE role_id = #{item.roleId} DELETE FROM role_menu WHERE role_id = #{id} SELECT DISTINCT m.id, m.menu_name, m.parent_id, m.menu_type, m.priority FROM role r LEFT JOIN role_menu rm ON r.id = rm.role_id LEFT JOIN menu m ON rm.menu_id = m.id WHERE r.id = #{roleId} AND m.id IS NOT NULL ORDER BY m.parent_id,m.priority INSERT INTO role_menu (role_id, menu_id) VALUES (#{item.roleId}, #{item.menuId}) SELECT menu_name FROM menu id = #{id} SELECT parent_id FROM menu id = #{id}