user_role_id as userRoleId, user_id as userId, role_id as roleId, is_use as isUse user_id = #{userId} role_id = #{roleId} is_use = #{isUse} select from sys_user_role where id = #{id} SELECT from sys_user_role insert into sys_user_role user_role_id, user_id, role_id, is_use, #{userRoleId}, #{userId}, #{roleId}, #{isUse}, update sys_user_role user_role_id=#{userRoleId}, user_id=#{userId}, role_id=#{roleId}, is_use=#{isUse}, where id=#{id} update sys_user_role SET delFlag = 0 where id=#{id} Delete from sys_user_role where id = #{id} update sys_user_role set is_use = 0 where user_id = #{userId} and is_use = 1