新增批量更新子产品RPC

src/Service/Interfaces/Product/ProductChildServiceInterface.php

@@ -143,4 +143,12 @@ interface ProductChildServiceInterface
      * @return array GroupBy('product_id')
      */
     public function getListByProductIds(array $productIds, array $columns = ['*']): array;
+
+    /**
+     * 批量更新子产品
+     *
+     * @param array $updates 更新数据，[['id' => 1, 'cost' => '1.11'], ['id' => 2, 'cost' => '1.11']]
+     * @return bool
+     */
+    public function updateChildProducts(array $updates): bool;
 }