修复各种购物车结算页面当商品为空时的处理逻辑

@@ -275,14 +275,20 @@ class IndexController extends AbstractAction
         $this->setNavHeader('确认订单', Helpers::url('/cart/index/index'), false); // 不显示右上角home按钮
 
         // 购物车商品为空跳转到购物车页面
+        $cartType = $this->get('cartType', 'ordinary');
+        $cartKey = 'commonCart';
+        if ($cartType === 'advance') {
+            $cartKey = 'preSellCart';
+        }
+
         $shoppingKey = Helpers::getShoppingKeyByCookie();
         $uid = $this->getUid(true);
         $cartGoods = CartModel::getCartData($uid, $shoppingKey);
-        if (empty($cartGoods) || isset($cartGoods['isEmptyCart'])) {
+        if (isset($cartGoods['isEmptyCart']) || empty($cartGoods[$cartKey])) {
             $this->go(Helpers::url('/cart/index/index'));
         }
 
-        $cartType = $this->get('cartType', 'ordinary');
+
         $cookieData = $this->getCookie('order-info', null);
         $uid = $this->getUid(true);
         $data = array(