fix(sales): 修复销售合同号重复校验逻辑

buhuazhen

2026-04-22 07f3f5b5c2437a01923684064b8afa79bb57f448

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

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

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}