public function actionUpload()
{
// var_dump(Yii::$app->request->post());die;
$model = new Resource();
$model->load(Yii::$app->request->post());
$model = $model->uploadFile($model, 'url');
if ($model) {
if ($model->save()) {
$res = ['initialPreview' => '<p>' . Yii::t('app', 'Upload success!') . '</p>'];
echo json_encode($res);
}
}
}
