质量管理：优化更新逻辑，增加原料导出、下载接口

huminmin

2026-03-16 482033ad6accee24ae2a530ad5fbc42febb0f2f1

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

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

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}