添加附件上传后端代码

TWW

2025-08-08 6873d560b235e04a2e95c8240f00dc8e8b6e1ac6

 src/main/java/com/ruoyi/purchase/pojo/ProductRecord.java

@@ -35,6 +35,11 @@
    private Long purchaseLedgerId;

    /**
     * 产品id
     */
    private Long saleLedgerProjectId;

    /**
     * 产品大类
     */
    private String productCategory;