yii2 gradview 输出当前时间和图片

gradview是一个表格显示控件； columns是列选项 官方api：

<?= GridView::widget([‘dataProvider’ => $dataProvider,’filterModel’ => $searchModel,’columns’ => [[‘class’ => ‘yii\grid\SerialColumn’],[date(“Y-m-d H:i:s”,$m->created_at);}],[Html::img($m->image_path,[‘alt’ => ‘缩略图’,’width’ => 80]);}],[‘class’ => ‘yii\grid\ActionColumn’,],],]); ?>

，微风吹过，海面上金光闪闪，泛起一道道美丽的浪花，