fix: 增加日志排查保存属性问题

src/main/java/com/example/building/controller/ProductController.java

@@ -156,16 +156,12 @@ public class ProductController {
     @PostMapping("/categories/{categoryId}/attributes")
     public Result<Void> saveCategoryAttributes(
             @PathVariable String categoryId,
-            @RequestBody Map<String, Object> body,
+            @RequestBody List attributes,
             @RequestHeader(value = "X-User-Role", required = false) String role) {
         if (!"admin".equals(role)) {
             return Result.error("只有管理员可以操作");
         }
-        List attrs = (List) body.get("attributes");
-        if (attrs == null) {
-            attrs = (List) body.get("list");
-        }
-        categoryAttributeService.saveAttributes(categoryId, attrs);
+        categoryAttributeService.saveAttributes(categoryId, attributes);
         return Result.success();
     }
 

src/main/java/com/example/building/service/impl/CategoryAttributeServiceImpl.java

@@ -30,6 +30,13 @@ public class CategoryAttributeServiceImpl implements CategoryAttributeService {
     @Override
     @Transactional
     public void saveAttributes(String categoryId, List<CategoryAttribute> attrs) {
+        System.out.println("=== saveAttributes called ===");
+        System.out.println("categoryId: " + categoryId);
+        System.out.println("attrs size: " + (attrs != null ? attrs.size() : 0));
+        if (attrs != null) {
+            attrs.forEach(a -> System.out.println("  attr: " + a.getName() + ", type=" + a.getAttrType() + ", unit=" + a.getUnit()));
+        }
+        
         // 删除旧属性
         categoryAttributeMapper.delete(new LambdaQueryWrapper<CategoryAttribute>()
                 .eq(CategoryAttribute::getCategoryId, categoryId));
@@ -44,6 +51,7 @@ public class CategoryAttributeServiceImpl implements CategoryAttributeService {
                 categoryAttributeMapper.insert(attr);
             }
         }
+        System.out.println("=== saveAttributes done ===");
     }
 
     @Override