"DingDing": {
     "QrAppId": "QrAppId", //你的钉钉扫码登录AppId
    "QrAppSecret": "QrAppSecret" //你的钉钉扫码登录AppSecret
  }

@{
    ViewData["Title"] = "Home Page";
}

<div class="text-center">
    <h1 class="display-4">Welcome</h1>
    <div id="login_container"></div>
    <button type="button" class="btn btn-primary" id="JumpToLogin">跳转登录</button>
</div>


@section Scripts
{
    <script src="https://g.alicdn.com/dingding/dinglogin/0.0.5/ddLogin.js"></script>
    <script type="text/javascript">
        /*
        * 解释一下goto参数，参考以下例子：
        * var url = encodeURIComponent('http://localhost.me/index.php?test=1&aa=2');
        * var goto = encodeURIComponent('https://oapi.dingtalk.com/connect/oauth2/sns_authorize?appid=appid&response_type=code&scope=snsapi_login&state=STATE&redirect_uri='+url)
        */
        var url = "http://localhost:5000/Home/DingLogin";
        var obj = DDLogin({
            id: "login_container",//这里需要你在自己的页面定义一个HTML标签并设置id，例如<div id="login_container"></div>或<span id="login_container"></span>
            goto: encodeURIComponent('https://oapi.dingtalk.com/connect/oauth2/sns_authorize?appid=appid&response_type=code&scope=snsapi_login&state=STATE&redirect_uri=' + url), //请参考注释里的方式
            style: "border:none;background-color:#FFFFFF;",
            width: "365",
            height: "400"
        });

        var handleMessage = function (event) {
            var origin = event.origin;
            console.log("origin", event.origin);
            if (origin == "https://login.dingtalk.com") { //判断是否来自ddLogin扫码事件。
                var loginTmpCode = event.data; //拿到loginTmpCode后就可以在这里构造跳转链接进行跳转了
                console.log("loginTmpCode", loginTmpCode);

                window.location.href =
                    "https://oapi.dingtalk.com/connect/oauth2/sns_authorize?appid=appid&response_type=code&scope=snsapi_login&state=STATE&redirect_uri=REDIRECT_URI&loginTmpCode=" +
                    loginTmpCode;
            }
        };
        if (typeof window.addEventListener != 'undefined') {
            window.addEventListener('message', handleMessage, false);
        } else if (typeof window.attachEvent != 'undefined') {
            window.attachEvent('onmessage', handleMessage);
        }

        $("#JumpToLogin").click(function(){
            window.location.href =
                "https://oapi.dingtalk.com/connect/qrconnect?appid=appid&response_type=code&scope=snsapi_login&state=LoginDing&redirect_uri=http://localhost:5000/Home/DingLogin";
        });
    </script>
}

 public string DingLogin(string code, string state)
        {
            //state 是前端传入的，钉钉并不会修改，比如有多种登录方式的时候，一个登录方法判断登录方式可以进行不同的处理。

            OapiSnsGetuserinfoBycodeResponse response = new OapiSnsGetuserinfoBycodeResponse();
            try
            {
                string qrAppId= AppConfigurtaionHelper.Configuration["DingDing:QrAppId"];
                string qrAppSecret = AppConfigurtaionHelper.Configuration["DingDing:QrAppSecret"];
                if (string.IsNullOrWhiteSpace(qrAppId)||string.IsNullOrWhiteSpace(qrAppSecret))
                {
                    throw new Exception("请先配置钉钉扫码登录信息！");
                }

                DefaultDingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk.com/sns/getuserinfo_bycode");
                OapiSnsGetuserinfoBycodeRequest req = new OapiSnsGetuserinfoBycodeRequest();
                req.TmpAuthCode = code;
                response = client.Execute(req, qrAppId, qrAppSecret); 

                //获取到response后就可以进行自己的登录业务处理了

                //xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
                //此处省略一万行代码


            }
            catch (Exception e)
            {
                response.Errmsg = e.Message;
            }

            return response.Body;
        }