商品列表-显示规格

app/Admin/Controllers/v3/GoodsController.php

@@ -59,14 +59,13 @@ class GoodsController extends AdminController
             $grid->column('goods_unit','单位')->editable();
             $grid->column('spec','规格')->display(function($spec){
                 $item = '';
-                if(!empty($spec)){
+                if(!empty($spec) && is_array($spec)){
                     foreach($spec as $key => $value){
                         $specKey = isset($value['spec_key'])?$value['spec_key']:'';
                         $specValue = isset($value['spec_value'])?$value['spec_value']:'';
                         $item .= $specKey.'：'.$specValue.'</br>';
                     }
                 }
-
                 return $item;
             });
             $grid->column('market_id')->display(function($marketId) use($marketList){