//当前域名
echo Yii::app()->request->hostInfo;
//当前URL
echo Yii::app()->request->getUrl();
//返回首页
echo Yii::app()->user->returnUrl;
//提交后 防止重复提交
Ccontroler->refresh();
//上一页url 很有用哦
Yii::app()->request->referrer;
或者:
Yii::app()->request->getReferrer();
//获取ip地址
Yii::app()->request->userHostAddress;
//yii execute后获取insert id
$id = Yii::app()->db->getLastInsertID();
//yii获取get,post过来的数据
Yii::app()->request->getParam('id');
//Yii->user(当前用户)相关 常用方法是
<span class="redactor-invisible-space">Yii::$app->user;
//用户id</span>
Yii::$app->user->identity->id;
//用户名
Yii::$app->user->identity->username;
<span class="redactor-invisible-space">
//判断用户是否登录
</span>Yii::$app->user->isGuest