code: protected function verifyLogin()
      {
          $user = LoginLogic::getLoginUser();
          if (empty($user)) {
              responseRedirect('start/login');
          } else {
              // 用户ID
              $this->user_id = $user['user_id'];
              
              // 用户信息
              if (! Request::instance()->isAjax()) {
                  $manage_user = LoginLogic::gteLoginUserInfo();
                  $this->assign('manage_user', $manage_user);
                  
                  // 管理首页
                  $this->assign('manage_url', $user['manage_url']);
              }
          }
      }
docs: 验证登录