feat: 增加商品库存设置功能

zepengdev

2025-09-17 23e3602b4f3ebde8665c3ab3a56ef81b8d671e0d

 oying-system/src/main/java/com/oying/modules/system/service/MerchantService.java

@@ -56,4 +56,6 @@
    * @throws IOException /
    */
    void download(List<Merchant> all, HttpServletResponse response) throws IOException;

    List<Merchant> findByUserId(Long userId);
}