public function run()
{
require_once Yii::getPathOfAlias('ext') . "/OAuth/weixin/weixin.class.php";
Yii::import('application.extensions.qrcode.QrCode');
$config = OAuth::getConf('weixin');
$random_uuid = $this->_createUUid();
$wx = new WeiXin($config['app_id'], $config['app_secret'], $config['callback'], $random_uuid);
$qr = new QrCode();
$qrcode_url = $qr->createCode($wx->auth_url, 8);
$this->controller->layout = false;
$this->controller->_seoTitle = '微信扫一扫登录' . ' - ' . $this->controller->_setting['site_name'];
$this->controller->render('wx_qrcode', array('qrcode_url' => $qrcode_url));
}
