Yii获取系统级请求参数的方法

//启动session
$session = new ChttpSession;
$session->open();
Yii::app()->session[‘key‘] = ‘value‘;

Yii::app()->session[‘key‘];

Yii::app()->session->sessionID

//移除所有的session变量
Yii::app()->session->clear();
//移除存储在服务器端的数据
Yii::app()->session->destroy();

$cookie = new CHttpCookie(‘mycookie‘, ‘this is my cookie‘);
$cookie->expire = time() + 60*60*24*30;
Yii::app()->request->cookie[‘mycookie‘] = $cookie;

$cookie = Yii::app()->request->getCookies();
echo $cookie[‘mycookie‘]->values;

$cookie = Yii::app()->request->getCookies();
unset($cookie[$name]);