product表添加downloadUrl参数

src/main/java/com/wendao/entity/Product.java

@@ -43,4 +43,7 @@ public class Product implements Serializable{
     @TableLogic(delval = "1",value = "0")
     private Integer del;
 
+    /** 支付成功后邮件发送的下载链接（仅后端使用，公开接口不会返回） */
+    private String downloadUrl;
+
 }

src/main/java/com/wendao/service/impl/ProductServiceImpl.java

@@ -24,6 +24,8 @@ public class ProductServiceImpl implements ProductService {
     public ResponseVO<Product> get(Integer productId) {
         Product product = productMapper.selectById(productId);
         if(product != null){
+            // 脱敏：公开接口不返回下载链接
+            product.setDownloadUrl(null);
             return ResponseVO.successResponse(product);
         }
         return ResponseVO.errorResponse("获取产品失败");
@@ -33,6 +35,9 @@ public class ProductServiceImpl implements ProductService {
     public ResponseVO<List<Product>> getListByType(GetProductListReq req) {
         QueryWrapper<Product> productQueryWrapper = new QueryWrapper<>();
         productQueryWrapper.lambda().in(Product::getType,req.getTypes());
-        return ResponseVO.successResponse(productMapper.selectList(productQueryWrapper));
+        List<Product> products = productMapper.selectList(productQueryWrapper);
+        // 脱敏：公开接口不返回下载链接
+        products.forEach(p -> p.setDownloadUrl(null));
+        return ResponseVO.successResponse(products);
     }
 }

src/main/resources/db.sql

@@ -73,4 +73,9 @@ CREATE INDEX `idx_actual_amount_state`
 
 -- 备注匹配查询索引(性能优化)
 CREATE INDEX `idx_pay_num_create_time`
-    ON `t_order` (`pay_num`, `create_time`);
+    ON `t_order` (`pay_num`, `create_time`);
+
+ALTER TABLE `t_product`
+    ADD COLUMN `download_url` VARCHAR(500) NULL DEFAULT NULL
+        COMMENT '支付成功后邮件发送的下载链接（仅后端使用）'
+        AFTER `item_info`;