yii操作cookie实例简介
yii对cookie的操作常见的主要有以下几种：
1.设置cookie:
$cookie=newCHttpCookie('mycookie','thisismycookie');
$cookie->expire=time()+60*60*24*30;//有限期30天
Yii::app()->request->cookies['mycookie']=$cookie;
2.读取cookie:
$cookie=Yii::app()->request->getCookies(); echo$cookie['mycookie']->value;
3.销毁cookie:
$cookie=Yii::app()->request->getCookies(); unset($cookie[$name]);