feat: 产品维护导出功能

gongchunyi

2026-04-24 9e8ad7fe56180fe5e6599197380e5a29dab40cc0

 src/main/java/com/ruoyi/purchase/service/IPurchaseLedgerService.java

@@ -43,4 +43,6 @@
    String getPurchaseNo();

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}