function show() { $qq = new QqConnect(); $callback = site_url() . '/binding/qq/callback'; $result = $qq->get_authorize_url(QQ_APPID, QQ_APPKEY, $callback); $this->session->set_userdata('oauth_request_token', $result['oauth_request_token']); $this->session->set_userdata('oauth_request_token_secret', $result['oauth_request_token_secret']); redirect($result['authorize_url']); }