有货判断商品详情页中商品是否售罄的逻辑

Code Review By Rock Zhang

@@ -264,7 +264,7 @@ class DetailModel
             'numInCart' => 0,
             'goodsInstore' => $baseInfo['storage'], // 库存量
         );
-        $soldOut = ($baseInfo['storage'] == 0) || ($baseInfo['status'] == 0);
+        $soldOut = ($baseInfo['storage'] == 0) || ($baseInfo['status'] == 0 || $totalStorageNum === 0);
         $notForSale = $baseInfo['attribute'] == 2;
         // 显示加入购物车链接
         if (!$soldOut && !$notForSale) {