yii中添加meta信息

Yii::app()->clientScript->registerMetaTag("description content.
","description");
        Yii::app()->clientScript->registerCssFile(Yii::app()->baseUrl."/css/css.css");
        //Yii::app()->clientScript->registerScriptFile(Yii::app()->baseUrl."/js/jstest.js");
    }