## 添加标签栏Tab 示例代码： ~~~ $tab_list = [ 'index' =>['title'=>'媒体文件','href'=>url('index')], 'category' =>['title'=>'附件分类','href'=>url('category')], 'setting' =>['title'=>'设置','href'=>url('setting')] ]; return builder('List') ->setTabNav($tab_list,'category') // 设置页面Tab导航 ->fetch(); ~~~