vip 减少的金额

app/api/logic/order/OrderLogic.php

@@ -77,6 +77,7 @@ class OrderLogic extends BaseLogic
             //TODO 收单打9.9折 会员按照比例打折  等级按照充值去升级
             $pay_price = self::$total;
             $check = StoreOrder::where('uid',\request()->userId)->count();
+            $vipPrice = 0;
             if(empty($check)){
                 $discountRate = '0.99';
                 $pay_price =  bcdiv(bcmul($pay_price, $discountRate, 4), '1', 2);
@@ -104,14 +105,17 @@ class OrderLogic extends BaseLogic
                     }
                     $pay_price =  bcdiv(bcmul($pay_price, $discountRate, 4), '1', 2);
                 }
-
             }
-
+            if(!empty(self::$total) && !empty($pay_price)){
+                bcscale(2);
+                $vipPrice = bcsub(self::$total, $pay_price, 2);
+            }
             $order = [
                 'create_time' => time(),
                 'order_id' => getNewOrderId('PF'),
                 'total_price' => self::$total,//总价
                 'pay_price' => $pay_price,//后期可能有降价抵扣
+                'vip_price'=>$vipPrice,
                 'total_num' => count($cart_select),//总数
                 'pay_type' => $params['pay_type'] ?? 0,
                 'cart_id' => implode(',', $cartId),