src/main/java/com/ruoyi/purchase/service/impl/PurchaseLedgerServiceImpl.java
@@ -785,6 +785,10 @@ productWrapper.eq(SalesLedgerProduct::getSalesLedgerId, purchaseLedger.getId()) .eq(SalesLedgerProduct::getType, 2); List<SalesLedgerProduct> products = salesLedgerProductMapper.selectList(productWrapper); for (SalesLedgerProduct product : products) { ProductModel productModel = productModelMapper.selectById(product.getProductModelId()); product.setMaterialCode(productModel != null ? productModel.getMaterialCode() : ""); } // 4. 转换 DTO PurchaseLedgerDto resultDto = new PurchaseLedgerDto();