参考链接:https://blog.csdn.net/weixin_30686845/article/details/95888286

<?php

use yii\helpers\Html;
use yii\grid\GridView;

/* @var $this yii\web\View */
/* @var $searchModel frontend\models\FileSearch */
/* @var $dataProvider yii\data\ActiveDataProvider */

$this->title = 'Files';
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="file-index">

    <h1><?= Html::encode($this->title) ?></h1>

    <p>
        <!--?= Html::a('Create File', ['create'], ['class' => 'btn btn-success']) ?-->
    </p>

    <?php // echo $this->render('_search', ['model' => $searchModel]); ?>

    <?= GridView::widget([
        'dataProvider' => $dataProvider,
        'filterModel' => $searchModel,
        'columns' => [
            ['class' => 'yii\grid\SerialColumn'],

         //   'id',
            'filename',
            'filepath',
        //    'create_at',
            'update_at',
             // ['class' => 'yii\grid\ActionColumn'],//自定义控制器按钮
            ['class' => 'yii\grid\ActionColumn','template' => '{view}{mydef}',
             'buttons'=>[
                'mydef' => function ($url, $model, $key) {
                    $url="index.php?r=file/readfile&id=".$model->id;
                    $options = [
                        'title' => Yii::t('yii', 'View'),
                        'aria-label' => Yii::t('yii', 'View'),
                        'data-pjax' => '0',
                    ];
                    return Html::a('<span class="glyphicon glyphicon-compressed"></span>', $url, $options);
                }
             ]
        ],

        ],
    ]); ?>


</div>