$dataProvider,
'columns' => [
'id',
'title',
[
'attribute' => 'content',
'options' => ['width' => '60%']
],
'created_at:datetime',
[
'attribute' => 'user_id',
'value' => function($model){
return $model->user->username;
}
],
[
'class' => 'common\helpers\DiyActionColumn',
'template' => '{view} {delete}',
],
],
]); ?>