我想GridView在yii2中更改所有标题的标题背景颜色.我知道以下代码可以正常工作,但我想在代码中只更改一次,所有标题都是相同颜色.
<?= GridView::widget([
'dataProvider' => $dataProvider,
'filterModel' => $searchModel,
'columns' => [
['class' => 'yii\grid\SerialColumn'],
[
'attribute' => 'user_id',
'headerOptions' => ['style' => 'background-color:#ccf8fe'],
],
],
]); ?>
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我该怎么办?