优化

app/Admin/Controllers/ProductController.php

@@ -38,7 +38,9 @@ class ProductController extends AdminController
             $grid->filter(function (Grid\Filter $filter) {
                 $filter->panel();
                 $filter->like('name')->width(3);
-                $filter->equal('type')->select(\App\Models\ProductType::selectOptions())->width(3);
+                $filter->where('type',function ($query){
+                    $query->whereJsonContains('type',[intval($this->input)]);
+                })->select(\App\Models\ProductType::selectOptions())->width(4);
 
             });
         });