更新

app/Admin/Controllers/DynamicController.php

@@ -32,21 +32,21 @@ class DynamicController extends AdminController
             }
 
         });
-//        $grid->column('img_url','图片内容')->display(function ($v){
-//
-//            if(isset($v)){
-//                $v = json_decode($v,true);
-//                $str = '';
-//                if(count($v)>0){
-//                    foreach ($v as $item){
-//                        $str.='<img data-action="preview-img" src="'.$item.'" style="max-width:50px;max-height:200px;cursor:pointer" class="img img-thumbnail">';
-//                    }
-//                }
-//                return $str;
-//            }else{
-//                return "";
-//            }
-//        });
+        $grid->column('img_url','图片内容')->display(function ($v){
+
+            if(isset($v)&&!empty($v)){
+                $v = json_decode($v,true);
+                $str = '';
+                if(count($v)>0){
+                    foreach ($v as $item){
+                        $str.='<img data-action="preview-img" src="'.$item.'" style="max-width:50px;max-height:200px;cursor:pointer" class="img img-thumbnail">';
+                    }
+                }
+                return $str;
+            }else{
+                return "";
+            }
+        });
         $grid->tableCollapse(false);
         $grid->column('content','动态内容')->limit(30);
         $grid->column('zan_num');