public function logout()
 {
     //调用退出登录的API
     D('Member')->logout();
     $html = '';
     if (UC_SYNC && is_login() != 1) {
         // include_once './api/uc_client/client.php';
         $Ucenter = new \Common\Model\UcenterModel();
         $html = $Ucenter->uc_user_synlogout();
     }
     $oc_config = (include_once './OcApi/oc_config.php');
     if ($oc_config['SSO_SWITCH']) {
         include_once './OcApi/OCenter/OCenter.php';
         $OCApi = new \OCApi();
         $html .= $OCApi->ocSynLogout();
     }
     exit(json_encode(array('message' => '退出登陆成功。', 'url' => U('Home/Index/index'), 'html' => $html)));
     //显示页面
     //$this->success($result['message'], U('Home/Index/index'));
 }