增加筛选器

app/Admin/Controllers/ProductController.php

@@ -58,8 +58,10 @@ class ProductController extends AdminController
 
             $grid->filter(function (Grid\Filter $filter) {
 				$filter->panel();
-                $filter->equal('id');
 
+                $filter->equal('id')->width(2);
+				$filter->like('title')->width(3);
+				$filter->equal('status')->select(ProductStatus::array())->width(2);
             });
         });
     }