命名空间: ~~~ builder\widget\ajax ~~~ ```php Accordion::widget([ 'id' => 'wwwwww', //如果用于页面遍历中,则必须指定不同`id`! 'items' => [ [ 'label' => 'Collapsible Group Item #1', 'content' => 'Anim pariatur cliche...', 'contentOptions' => ['class' => 'in'] ] ], ]); ```