var dingtalk_sso = require('dingtalk_sso');
var conf = {
    corpid: 'dingxxxxxxxxxxxxxxx',
    SSOSecret:'C1oXyeJUgH_QXEHYJS4-Um-zxfxxxxxxxxxxxxxxxxxx-6np3fXskv5dGs'
  }
//ISV的corpid，SSOSecret在 http://console.d.aliyun.com/#/dingding/env 查看。
var api = new dingtalk_sso(conf);
 

api.getSSOUserInfoByCode(code, callback)

api.generateAuthUrl(redirect_url)