实例详解Yii 2.0在Grid中格式化时间

<?= GridView::widget([ 
 &#39;dataProvider&#39; => $dataProvider,
 &#39;columns&#39; => [
 [&#39;class&#39; => &#39;yii\grid\SerialColumn&#39;],

 &#39;id&#39;,
 &#39;username&#39;,
 &#39;email:email&#39;,
 &#39;created_at:date&#39;, // 这两个需要显示为 2016.04.10
 &#39;updated_at:date&#39;, // 使用 :date 来格式化时间

 [&#39;class&#39; => &#39;yii\grid\ActionColumn&#39;],
],
]); ?>

'components' => [

  'formatter' => [
   'dateFormat' => 'YYY.MM.dd',
   'decimalSeparator' => ',',
   'thousandSeparator' => ' ',
   'currencyCode' => 'EUR',
  ],