public function actionDelGood()
 {
     if (Yii::$app->request->isAjax) {
         $data = Yii::$app->request->post();
         $goods_id = $data['goods_id'];
         \Yii::$app->response->format = \yii\web\Response::FORMAT_JSON;
         $session = new Sitesession();
         $user_id = $session->getUserId();
         if (!$user_id) {
             return ['goods_id' => 0, 'count' => 0];
         }
         $goods = $session->getGoods($user_id);
         $shopping_car = $goods ? $goods : array();
         if (in_array($goods_id, $shopping_car)) {
             foreach ($shopping_car as $key => $gid) {
                 if ($gid == $goods_id) {
                     unset($shopping_car[$key]);
                 }
             }
         }
         $session->storeGoods($user_id, $shopping_car);
         $count = count($shopping_car);
         return ['goods_id' => $goods_id, 'shopping_car' => $shopping_car, 'count' => $count];
     }
 }
 public function actionChangerOrder()
 {
     $data = Yii::$app->request->get();
     if (!isset($data['order_id'])) {
         echo "缺少参数order_id";
         exit;
     }
     $order_id = $data['order_id'];
     $session = new Sitesession();
     $session->setOrderId($order_id);
     //设置order_id
     $order = Orders::findOne($order_id);
     $user_id = $order->action_user;
     $session->storeUserId($user_id);
     //设置user_id
     $ordergoods = $order->ordergoods;
     $goods_arr = array();
     foreach ($ordergoods as $good) {
         $goods_arr[] = $good->goods_id;
     }
     $goods_arr = array_unique($goods_arr);
     $session->storeGoods($user_id, $goods_arr);
     $this->redirect(array('/order/index'));
 }