移除分类图片

app/Http/Requests/Product/ProductCategoryFormRequest.php

@@ -2,9 +2,7 @@
 
 namespace App\Http\Requests\Product;
 
-use Illuminate\Validation\Rules\Exists;
 use Modules\Common\Http\Requests\BaseFormRequest;
-use Modules\SystemTool\Models\SysFileModel;
 
 /**
  * 商品分类 创建/编辑 验证
@@ -24,7 +22,6 @@ class ProductCategoryFormRequest extends BaseFormRequest
             'name' => 'required|string|max:50',
             'parent_id' => 'required|integer|min:0',
             'sort' => 'nullable|integer',
-            'icon_id' => ['nullable', 'integer', new Exists(SysFileModel::class, 'id')],
             'status' => 'nullable|integer|in:0,1',
         ];
     }
@@ -36,7 +33,6 @@ class ProductCategoryFormRequest extends BaseFormRequest
             'name.max' => '分类名称最长 50 个字符',
             'parent_id.min' => '父级分类ID不正确',
             'status.in' => '状态值不正确',
-            'icon_id.exists' => '请重新上传图片'
         ];
     }
 }

app/Http/Requests/Product/ProductFormRequest.php

@@ -44,13 +44,17 @@ class ProductFormRequest extends BaseFormRequest
     }
 
     /**
-     * 交叉校验：按成本百分比计价（price_type=1）时上浮百分点必填
+     * 交叉校验：商品只能挂在末级分类；按成本百分比计价（price_type=1）时上浮百分点必填
      * （Laravel 12 FormRequest 的 after() 需返回单个 Closure，由容器 call 后注册到 Validator）
      */
     public function after(): Closure
     {
         return function (Validator $validator): void {
             $data = (array) $validator->getData();
+            $categoryId = (int) ($data['category_id'] ?? 0);
+            if ($categoryId > 0 && ProductCategoryModel::where('parent_id', $categoryId)->exists()) {
+                $validator->errors()->add('category_id', '该分类下存在子分类，请选择末级分类');
+            }
             foreach ((array) ($data['prices'] ?? []) as $index => $row) {
                 $priceType = (int) ($row['price_type'] ?? ProductPriceModel::PRICE_TYPE_FIXED);
                 if ($priceType === ProductPriceModel::PRICE_TYPE_PERCENT