['class' => 'yii\grid\ActionColumn',
                'header' => '操作',
                'headerOptions' => ['width' => '100px'],
                'template' => ' {view} {update} {delete} {add}',
                'buttons' => [
                    'add' => function ($url, $model, $key) {
                        $url = "?r=tinn-guide/view1&innid=$model->InnID";
                        return Html::a('<span class="glyphicon glyphicon-plus"></span>', $url,['title' => '测试按钮']);
                    }
                ]
            ]