$this->redirect(array('/site/contact','id'=>12));
//http://www.localyii.com/testwebap/index.php?r=site/contact&id=12  

$this->redirect(array('site/contact','id'=>'idv','name'=>'namev'));
//http://www.localyii.com/testwebap/index.php?r=site/contact&id=idv&name=namev  

$this->redirect(array('site/contact','v1','v2','v3'));
//http://www.localyii.com/testwebap/index.php?r=site/contact&0=v1&1=v2&2=v3  

$this->redirect(array('site/contact','v1','v2','v3','#'=>'ttt'));
//带anchor的  http://www.localyii.com/testwebap/index.php?r=site/contact&0=v1&1=v2&2=v3#ttt

跳转到绝对路径

$this->redirect('http://www.sunhaibing.com');