id, create_id, create_time, update_id, update_time, del_sign, remark user_id, role_id INSERT INTO sys_user_role ( ,remark, create_time, del_sign ) VALUES ( #{userId}, #{roleId}, #{remark},NOW(), 0 ) DELETE FROM sys_user_role WHERE id = #{id} DELETE FROM sys_user_role WHERE user_id = #{userId} DELETE FROM sys_user_role WHERE role_id = #{roleId} SELECT , FROM sys_user_role WHERE id = #{id} SELECT , FROM sys_user_role WHERE user_id = #{userId} SELECT , FROM sys_user_role WHERE role_id = #{roleId} SELECT , FROM sys_user_role WHERE 1=1 AND user_id = #{userId} AND role_id = #{roleId} ORDER BY id DESC SELECT COUNT(id) FROM sys_user_role WHERE 1=1 AND user_id = #{userId} AND role_id = #{roleId}