/**
  * 显示用户登录页面,并获取授权code
  */
 public function authorize()
 {
     $this->oauth_server();
     $server = $this->server_all;
     $request = \OAuth2\Request::createFromGlobals();
     $response = new \OAuth2\Response();
     //验证授权请求
     if (!$server->validateAuthorizeRequest($request, $response)) {
         $response->send();
         die;
     }
     // 显示登录页面
     if (empty($_POST)) {
         if (is_login()) {
             echo " <meta charset=\"UTF-8\"><script>alert('不能重复登录!');window.history.go(-1);</script>";
             exit;
         } else {
             $this->assign('iptype', checkUserIp());
             //显示登录页面
             $this->display();
         }
     }
     //如果用户是授权用户就输出授权验证码
     if ($_POST) {
         if (empty($_POST['logintype'])) {
             //集团登录
             $result = A('Ucenter/Login', 'Widget')->company_dologin();
         } else {
             //普通用户登录
             $result = A('Ucenter/Login', 'Widget')->doLogin();
         }
         if ($result['status']) {
             $is_authorized = $_POST['authorized'] === 'yes';
             $userid = session('user_auth.uid');
             $server->handleAuthorizeRequest($request, $response, $is_authorized, $userid);
             if ($is_authorized) {
                 //跳转到回调地址,并携带code码
                 $code = substr($response->getHttpHeader('Location'), strpos($response->getHttpHeader('Location'), 'code=') + 5, 40);
                 header("Location: " . $response->getHttpHeader('Location'));
             }
         } else {
             $this->error($result['info']);
         }
     }
     $response->send();
 }
 public function login()
 {
     echo get_client_ip();
     $this->setTitle('用户登录');
     //通过ip地址获取平台域名
     if (IS_POST) {
         if (empty($_POST['logintype'])) {
             //集团登录
             $result = A('Ucenter/Login', 'Widget')->company_dologin();
         } else {
             //普通用户登录
             $result = A('Ucenter/Login', 'Widget')->doLogin();
         }
         if ($result['status']) {
             $domain = $domain . '?code=' . $result['sessid'];
             $this->success('登录成功', $domain);
         } else {
             $this->error($result['info']);
         }
     } else {
         $this->assign('iptype', checkUserIp());
         //显示登录页面
         $this->display();
     }
 }