yii2视图传递参数显示失败

namespace app\controllers;



use Yii;

use yii\helpers\Json;

use yii\web\Controller;

use app\models\Folder;



class HomeController extends Controller

{

    public $model;

    public function init()

    {

        parent::init();

        $this->model = new Folder();





    }



    public function actionIndex()

    {

        $view = Yii::$app->view;  

        $view->params['new'] = $this->model;



        $folders = $this->model ->search();



        return $this->render('index',[

                'folders' => $folders,

            ]);



    }

}

namespace app\models;



use Yii;





class Folder extends \yii\db\ActiveRecord

{

    /**

     * @inheritdoc

     */

    public $fname;

    public $type;

    public $pid;



    public static function tableName()

    {

        return 'folder';

    }





    public function search($param=null)

    {

        $cOndition= $param == null ? ['pid' => 0, 'type' => 0] : ['pid' => $param];

        $query = Folder::find();

        $folders = $query->where($condition)->all();

        return $folders;

    }

}

/* @var $this yii\web\View */

use yii\helpers\Html;

use yii\bootstrap\ActiveForm;

use yii\bootstrap\Modal;

use app\assets\AppAsset;



AppAsset::register($this);



$this->title = 'CodeNote';

?>

   



   

   


        Modal::begin([

            'header' => '

新建

',

            'id' => 'new-modal'

        ]);?>



       
            'id' => 'folder',

            'enableAjaxValidation'=>false,  

            'enableClientValidation'=>true,

            'action' => ['/home/new'],

            'layout' => 'horizontal',

            'fieldConfig' => [

                'template' => "{label}\n\n",

                'labelOptions' => ['class' => 'col-lg-4 control-label '],

            ],

        ]); ?>



                field($this->params['new'], 'fname', ['labelOptions' => ['label' => '名字']])->textInput(['autofocus' => true]) ?>

                field($this->params['new'], 'type')->textInput()->hiddenInput(['value'=>'0'])->label(false); ?>

                field($this->params['new'], 'pid')->textInput()->hiddenInput(['value'=>'0'])->label(false); ?>



               

           



   






?>