rpc增加查询子订单的方法

src/Order/Lib/OrderInterface.php

@@ -18,6 +18,7 @@ use Swoft\Core\ResultInterface;
  * @method ResultInterface deferCreateOrder(int $buyerId,int $storeId,int $consigneeId,int $itemId,int $selectedNum,int $orderType,int $activityPrice,string $goodsName,string $goodsImage,string $activityName,int $goodsId,int $goodsPrice,string $message='',int $skuId=0,int $subStoreId=0,int $couponId=0);
  * @method ResultInterface deferGetOrderDetailBySubId(int $storeId,int $subOrderId,$ifSelf=true,bool $ifExtend=false)
  * @method ResultInterface deferGetOrderDetailByPid(int $storeId,int $pId,bool $ifExtend=false)
+ * @method ResultInterface deferGetSubOrderBySubId(int $storeId, int $subOrderId)
  * 
  * @method ResultInterface deferUpdateInfoById(int $storeId,int $orderId, array  $updateInfo)
  * @method ResultInterface deferGetSimpleList($storeId, $condition, $fields = ['*'])
@@ -69,7 +70,14 @@ interface OrderInterface
         int $subStoreId=0,
         int $couponId=0
     );
-
+   /**
+    * 根据子订单ID只查询子订单信息
+    *
+    * @param integer $storeId 店铺ID
+    * @param integer $subOrderId 子订单ID
+    * @return array
+    */
+    public function getSubOrderBySubId(int $storeId, int $subOrderId);
     /**
     * 根据子订单ID查询订单详情
     *