public function actionCancelorder()
 {
     $userId = Yii::$app->session->get(FVariable::$session_userId_str);
     if (!$userId) {
         return $this->redirect(FVariable::$siteLogin_view);
     }
     $orderId = Yii::$app->request->post('orderId');
     $order = new Order();
     $orderUpdate = $order->findByCancel($orderId, $userId);
     JsonParser::GenerateJsonResult('_0000', '订单取消成功!');
     exit;
 }