A collection of common calling techniques in Yii programming development

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

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

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

$post->save();
$id = $post->attributes['id'];

$id = Yii::app()->db->getLastInsertID();

Yii::app()->request->getParam('id');

Yii::app()->request->userHostAddress;

Yii::app()->request->urlReferrer;

Yii::app()->request->url;

Yii::app()->homeUrl;

Yii::app()->user->returnUrl;

dirname(Yii::app()->BasePath);

Yii::app()->getController()->getAction()->id;

Yii::app()->request->isPostRequest;

Yii::app()->request->hostInfo;

YII::app()->basePath;