public function actionJiekou(){

$url = 'http://wap.guoshihui.com/_static/wap/video/startVideo.mp4';

//数组数据
$data = array(
'status' => '200',
'message' => '数组数据获取成功',
'url' => $url,
);

//对象数据
$res = new Country();
$res->status = '888';
$res->message = '对象方法';
$res->shuchu = '对象方式调用成功';

// return json_encode($data);
$jiekou = json_encode($data);
return $this->render('jiekou',[
'value' => $data,
'duixiang' => $res,//渲染模版这里可以输出无数个数据到页面中去
]);

}

 

前台页面

$this->title = 'Create Country';
$this->params['breadcrumbs'][] = ['label' => '接口', 'url' => ['country/jiekou']];
$this->params['breadcrumbs'][] = $this->title;                               这些是面包屑导航以及标题
?>
<div class="country-create">
<?= Html::encode($this->title) ?>
<h1>数组方法输出</h1>
<?=$value['message']?><br>
<?=$value['url']?><br>

<h1>对象方法输出</h1>
<?= Html::encode($duixiang->status) ?><br>
<?= Html::encode($duixiang->message) ?><br>
<?= Html::encode($duixiang->shuchu) ?><br>

</div>

 yii报错

Unknown Property – yii\base\UnknownPropertyException

Getting unknown property: frontend\models\Country::label_img

原因：缺少label-img这个字段

解决方法：在rule规则中写入这个字段，在数据库中加上这个字段