'columns' => [
        'label' => '创建',
        'attribute' => 'createdTime',  
        'headerOptions' => ['style' => 'width: 240px;'],
        'format' => 'raw',
        'value' => function ($data) {
            return date('Y-m-d', strtotime($data->createTime));
        },
        'filter' => DateRangePicker::widget([    // 日期组件
            'model' => $searchModel,
            'language' => Yii::$app->language,
            'attribute' => 'createdTime',
            'value' => $searchModel->createdTime,
            'options' => ['readonly' => true],
            'clientOptions' => [
                'format' => 'yyyy-mm-dd',
                'endDate' => $reqDate,
                'todayHighlight' => true,
                'autoclose' => true,
                'todayBtn' => 'linked',
                'clearBtn' => true,
            ],
        ])
    ],

这个没有进行测试,大概是这样,你测试一下