调整上传文件格式

app/Admin/Controllers/File/IndexController.php

@@ -14,6 +14,7 @@ class IndexController extends AdminController
 
     /**
      * Make a grid builder.
+     *
      * @return Grid
      */
     protected function grid()
@@ -29,6 +30,7 @@ class IndexController extends AdminController
 
     /**
      * Make a form builder.
+     *
      * @return Form
      */
     protected function form()
@@ -36,8 +38,10 @@ class IndexController extends AdminController
         return Form::make(new File(), function (Form $form) {
             $form->text('title', '文件名称');
             $form->file('cover', '文件')
-                 ->move('file/' . date('Y/m/d'))
-                 ->required();
+                ->accept('doc,docx,xlsx')
+                ->rules('file|mimes:doc,docx,xlsx')
+                ->move('file/'.date('Y/m/d'))
+                ->required();
         });
     }