Asp.Net Core MVC 框架 实现钉钉扫码登入

                /*
                * 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 = encodeURIComponent(‘@ViewData["URL"]‘);
                var goto = encodeURIComponent(‘https://oapi.dingtalk.com/connect/oauth2/sns_authorize?appid=dingoa4wipntvngzokythz&response_type=code&scope=snsapi_login&state=STATE&redirect_uri=‘+url)
        
                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: goto, //请参考注释里的方式
                    style: "border:none;background-color:rgba(128,128,128,0);color:#fff",
                    width: "300",
                    height: "300"
                });

                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; 
                      layer.msg("扫码登入中...", { icon: 6, shade: 0.1, anim: 5, time:1000 }, function () {
                        //获取到loginTmpCode后就可以在这里构造跳转链接进行跳转了
                        window.location.href ="https://oapi.dingtalk.com/connect/oauth2/sns_authorize?appid=dingoa4wipntvngzokythz&response_type=code&scope=snsapi_login&state=STATE&redirect_uri=" +
                                url +
                                "&loginTmpCode=" +
                                loginTmpCode;
                       });
                      

                      
                  }
                };
                if (typeof window.addEventListener != ‘undefined‘) {
                    window.addEventListener(‘message‘, handleMessage, false);
                } else if (typeof window.attachEvent != ‘undefined‘) {
                    window.attachEvent(‘onmessage‘, handleMessage);
                }

[HttpGet]
public IActionResult UserLogin()
{
   string url = $"{this.Request.Scheme.ToString()}://{this.Request.Host.ToString()}/Login/DingDingLogin";
   ViewData["URL"] = url;
   return View();
}

        /// <summary>
        /// 钉钉扫码登录
        /// </summary>
        /// <param name="code"></param>
        /// <returns></returns>
        [HttpGet]
        public IActionResult DingDingLogin(string code) 
        {
            MsgModel msgObj = null;

            //通过LoginTmpCode获取
            string appId = _LoginAppId;
            string appSecret = _LoginAppSecret;
            string timestamp = CommonHelper.GetTimeStamp();
            string signature = CommonHelper.HmacSign(timestamp, appSecret);
            string url = $"https://oapi.dingtalk.com/sns/getuserinfo_bycode?accessKey={appId}&timestamp={timestamp}&signature={signature}";
            postData postData = new postData { tmp_auth_code = code };
            string res = JDRMYY.Utility.HttpRequest.https_post_request(url, JsonConvert.SerializeObject(postData),"POST","application/json");
            RequestUserInfo userInfo = JsonConvert.DeserializeObject<RequestUserInfo>(res);
            string unionId = userInfo.user_info.unionid;

            IDingTalkClient client_token = new DefaultDingTalkClient("https://oapi.dingtalk.com/gettoken");
            OapiGettokenRequest req_token = new OapiGettokenRequest();
            req_token.SetHttpMethod("GET");
            req_token.Appkey = _Appkey;
            req_token.Appsecret = _Appsecret;
            OapiGettokenResponse res_token = client_token.Execute(req_token);
            RequestTokenModel token = JsonConvert.DeserializeObject<RequestTokenModel>(res_token.Body);

            IDingTalkClient client_userid = new DefaultDingTalkClient("https://oapi.dingtalk.com/user/getUseridByUnionid");
            OapiUserGetUseridByUnionidRequest req_userid = new OapiUserGetUseridByUnionidRequest();
            req_userid.Unionid = unionId;
            req_userid.SetHttpMethod("GET");
            OapiUserGetUseridByUnionidResponse res_userid = client_userid.Execute(req_userid, token.access_token);
            RequestUserIdModel userid =  JsonConvert.DeserializeObject<RequestUserIdModel>(res_userid.Body);

            IDingTalkClient client_userinfo = new DefaultDingTalkClient("https://oapi.dingtalk.com/user/get");
            OapiUserGetRequest req_userinfo = new OapiUserGetRequest();
            req_userinfo.Userid = userid.userid;
            req_userinfo.SetHttpMethod("GET");
            OapiUserGetResponse res_userinfo = client_userinfo.Execute(req_userinfo, token.access_token);
            RequestUserModel user =  JsonConvert.DeserializeObject<RequestUserModel>(res_userinfo.Body);
            
　　　　　　　 //获取到user.JobNumber（工号）和系统的内部在用的人员数据表进行比对，如果找到人员，则说明有权限登录，否则则无法登录系统（发送钉钉消息给用户，并跳出错误页面）。
            string sql = "SELECT * FROM `employee` WHERE `empId` = ?empId and `useflag` = 1";
            EmployeeModel LoginUser = _mysqlService.DBFind<EmployeeModel>(_qasystem, sql, new EmployeeModel() { empId = user.jobNumber });
            if (LoginUser != null)
            {
                SetEmployeeRoles(LoginUser);//设置用户权限
                DI.WriteLogs(_mysqlService, _qasystem, new LogModel { log_content = "钉钉扫码登入", log_time = DateTime.Now, log_writer = LoginUser.empName });
                return Redirect("/Index/Index");
            }
            else
            {
                string Content = $"**质量管理系统:**  \n  您尚未注册质量管理系统账户，请联系**质量管理办公室**注册！";
                SendDingTalkMsg(user.mobile, Content);
                DI.WriteLogs(_mysqlService, _qasystem, new LogModel { log_content = $"钉钉扫码登入失败,{LoginUser.empId},未注册", log_time = DateTime.Now, log_writer = LoginUser.empName });
                
                return Redirect("/Login/LoginError");

            }
            return View();
        }