增加订单表和订单商品表的关联方法

backend/modules/shop/models/ars/OrderGoods.php

@@ -4,6 +4,7 @@ namespace  backend\modules\shop\models\ars;
 
 use Yii;
 use yii\behaviors\TimestampBehavior;
+use backend\modules\shop\models\ars\Order;
 
 /**
  * This is the model class for table "ats_order_goods".
@@ -87,4 +88,9 @@ class OrderGoods extends \yii\db\ActiveRecord
             ],
         ];
     }
+
+    public function getOrder()
+    {
+        return $this->hasOne(Order::className(), ['id' => 'order_id']);
+    }
 }