计算成本

app/Http/Controllers/Admin/OrderController.php

             return redirect('/admin/order/index')->with('info', $msg);
         }
         $res = RedisModel::expire( $redisKey, 60 );
+
         $skus = $request->input('skus');
         $warehouse = (int)$request->input('warehouse');
         if($warehouse == 3 && empty($skus)){
         //商品信息
         $skus = $request->input('skus');
         $gnum = $request->input('gnum');
+        $cost = 0;
         if(!empty($skus)){
             foreach($skus as $k=>$sku_id){
                 $sku_info = GoodsSkus::where('id', $sku_id)->first();
                 $params['propertiesName'] = $sku_info->propsName;
                 //$params['goodsName'] = '海钓黄翅鱼';//$goods->code; 
                 $params['price'] = $sku_info->price;
+                if($sku_info->referenceCost) $cost += $sku_info->referenceCost * $gnum[$k];
                 $params['quantity'] = $gnum[$k];
                 $params['discountFee'] = 0;
                 $params['adjustFee'] = 0;
             }
         }
 
+        if($cost>0){
+            $order['cost'] = $cost;
+        }
+
         //卖家云添加订单 ->改为审核通过再同步卖家云
         //$mj_add = Order::mjOrderAdd($order);