我的文件上传是这样写，后台只能得到最后一张图片，要改哪里呢，没折了求救求救
'columns' => [

        [
            'attribute'=>'files',
            'type'=>DetailView::INPUT_FILEINPUT,
            'value'=>getPics($model->files),
            'widgetOptions'=>[
                'attribute'=>'files[]',
                'name' => 'files[]',
                'options' => ['multiple' => true,'accept' => 'image/*'],
                'pluginOptions' => [
                    // 'initialPreview'=>getPics($model->files),
                    // 'previewFileType' => 'image',
                    'showUpload'=>false,
                    // 'initialPreviewAsData' => true,
                ],
            ]
        ],
    ],

按楼主的方法怎么不行啊？报错

Invalid Parameter – yii\base\InvalidParamException
app\modules\ptdt\models\PdVisitInfoh has no relation named "pd_visit_infol".
↵
Caused by: Unknown Method – yii\base\UnknownMethodException
Calling unknown method: app\modules\ptdt\models\PdVisitInfoh::getpd_visit_infol()

in F:\guowencong\phpStudy\WWW\php_project\fjj_erp\vendor\yiisoft\yii2\base\Component.php at line 285