Yii 动作过滤的方法

 1     protected function _init()
 2     {
 3          4     }
 5     
 6     public function beforeAction($action)
 7     {
 8         //黑名单
 9         $blackList = array('test','login','registe','logout');
10         $action = $this->getAction()->getId();
11         if(!in_array($action, $blackList)){
12             parent::init();
13         }
14         return TRUE;
15     }

    protected $userId = 0;
    
    public function init()
    {
        header('Content-type:text/html;charset=utf-8');
        Yii::import('ext.functions', true); //加载公共函数
        $this->getUserId();
    }
    
    //获取用户
    protected function getUserId()
    {
        $userTicket = getRParam('ticket', '');
        Yii::app()->ssoClient->init($userTicket);
        $this->userId = (int)Yii::app()->ssoClient->userid;
    }
    
    public function filters()
    {
        return array('CheckLogin - login, registe, logout');
    }
    
    public function filterCheckLogin($chain)
    {
        if($this->userId > 0)
            $chain->run();
        else
            $this->ajaxError(100, '用户验证失败或已过期');
    }