redirect使用方法
$this->redirect(array('/site/contact','id'=>12));
//http://www.kuitao8.com/testwebap/index.php?r=site/contact&id=12
$this->redirect(array('site/contact','id'=>'idv','name'=>'namev'));
//http://www.kuitao8.com/testwebap/index.php?r=site/contact&id=idv&name=namev
$this->redirect(array('site/contact','v1','v2','v3'));
//http://www.kuitao8.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.kuitao8.com/testwebap/index.php?r=site/contact&0=v1&1=v2&2=v3#ttt
跳转到一个绝对路径
$this->redirect('http://www.baidu.com');