public function doLogin($loginname, $password)
 {
     if (session('can_doLogin') != true) {
         echo TO_HACKERS;
         return;
     }
     session('can_doLogin', false);
     $operator = new \Home\Model\OperatorModel();
     $result = $operator->queryOperator($loginname, $password);
     if (!empty($result) && count($result) == 1) {
         session('operatorId', $result[0]['operator_id']);
         session('instId', $result[0]['inst_id']);
         session('operatorName', $result[0]['user_name']);
         session('isSuperAdmin', $result[0]['is_super_admin']);
         session('teacherId', $result[0]['teacher_id']);
         if ($result[0]['is_super_admin'] == 1) {
             session('role', "超级管理员");
         } else {
             session('role', "管理员");
         }
         $roleList = $operator->findRolesByOperator($result[0]['inst_id'], $result[0]['operator_id']);
         for ($i = 0; $i < count($roleList); $i++) {
             if ($roleList[$i]['code'] == 'ROLE_TEACHER') {
                 session('ROLE_TEACHER', 1);
             }
             //TODO 添加角色权限
         }
         //add login log
         try {
             $ip = get_client_ip();
             $loc = new \Org\Net\IpLocation('UTFWry.dat');
             // 实例化类 参数表示IP地址库文件
             $locationArr = $loc->getlocation($ip);
             $location = $locationArr['country'] . $locationArr['area'];
             $operator->addLoginLog($result[0]['operator_id'], date('Y-m-d H:i:s', time()), $ip, $location);
         } catch (Exception $e) {
             //do nothing
         }
         session("loginErr", 0);
         $this->redirect('Operator/showDashboard', null, 0, '页面跳转中...');
     } else {
         session("loginErr", 1);
         $this->redirect('Operator/login', null, 0, '页面跳转中...');
     }
 }