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');
    }