调用钉钉接口消息推送

首先登陆钉钉开发者后台 https://ding-doc.dingtalk/
选择H5微应用，创建应用

创建好之后，查看所建好的应用信息（其中AgentId，AppKey，AppSecret很重要，调用时需要用到）

设定白名单访问地址，当前网络的公网IP

效果如下
源码---->首先下载官方的开发Dome
- https://developers.dingtalk/document/app/download-the-server-side-sdk/title-12y-g4g-zn2

代码如下


        static string DingAppkey = "ding0ctjh9dm6f4balqm";//钉钉  应用的唯一标识key
        static string DingAppsecret = "X02oBxovq87mrj1Yzvu4kkOs6Jb8eAOhaQ40ZnLmy_nxV1zytLrrymnoBu4ILbZD";//钉钉  应用的密钥
        public static string dingAccessToken = "1236822342"; //钉钉接口调用凭证
        static void Main(string[] args)
        {
            //if (args == null || args.Length < 2)
            //{
            //    Console.WriteLine("请输入机器人票据和通知内容");
            //    return;
            //}

            TimeSpan interval = DateTime.Now.Subtract(Convert.ToDateTime("2021-07-27").AddMinutes(50));
            interval = Convert.ToDateTime("2021-07-27").AddMinutes(50).Subtract(DateTime.Now);
            double Minutes = interval.TotalMinutes;
            if (Minutes <= 10)
            {

            }
            if (Minutes <= 0)
            {

            }
            var token = GetDingAccessToken();
            var userid = GetUser(token, "18899792310");
            var msg = "test";
            var result = Notify(token, userid, msg);
            Console.WriteLine(result);
        }

        #region 钉钉接口
        /// <summary>
        /// 发送消息
        /// </summary>
        /// <param name="token"></param>
        /// <param name="userid"></param>
        /// <param name="msg"></param>
        /// <returns></returns>
        public static string Notify(string token, string userid, string msg)
        {
            string MessageUrl = "https://oapi.dingtalk/message/send?access_token=" + token;
            var json_req = new
            {
                touser = userid,  //接受推送userid，不同用户用|分割
                toparty = "",   //接受推送部门id
                agentid = "1236822342",
                msgtype = "text", //推送类型
                text = new
                {
                    content = "测试数据\n" + DateTime.Now
                }
            };
            string jsonRequest = JsonConvert.SerializeObject(json_req);//将对象转换为json
            return Post(MessageUrl, jsonRequest);
        }

        /// <summary>
        /// 手机号获取userid
        /// </summary>
        /// <param name="access_token"></param>
        /// <param name="Mobile"></param>
        /// <returns></returns>
        public static string GetUser(string access_token, string Mobile)
        {
            IDingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk/topapi/v2/user/getbymobile");
            OapiV2UserGetbymobileRequest req = new OapiV2UserGetbymobileRequest();
            req.Mobile = Mobile;
            OapiV2UserGetbymobileResponse rsp = client.Execute(req, access_token);
            return rsp.Result.Userid;
        }

        /// <summary>
        /// 获取access_token
        /// </summary>
        /// <returns></returns>
        public static string GetDingAccessToken()
        {
            string access_token = string.Empty;
            try
            {
                string accessToken = string.Empty;
                DefaultDingTalkClient client = new DefaultDingTalkClient("https://oapi.dingtalk/gettoken");
                OapiGettokenRequest request = new OapiGettokenRequest();
                request.Appkey = DingAppkey;//钉钉  应用的唯一标识key
                request.Appsecret = DingAppsecret;//钉钉  应用的密钥
                request.SetHttpMethod("GET");
                OapiGettokenResponse response = client.Execute(request);
                access_token = response.AccessToken;
            }
            catch (Exception ex)
            {


            }
            return access_token;
        }

        #endregion

        #region Post  
        /// <summary>  
        /// 以Post方式提交命令  
        /// </summary>  
        /// <param name="apiurl">请求的URL</param>  
        /// <param name="jsonString">请求的json参数</param>  
        /// <param name="headers">请求头的key-value字典</param>  
        private static String Post(string apiurl, string jsonString, Dictionary<String, String> headers = null)
        {
            WebRequest request = WebRequest.Create(@apiurl);
            request.Method = "POST";
            request.ContentType = "application/json";
            if (headers != null)
            {
                foreach (var keyValue in headers)
                {
                    if (keyValue.Key == "Content-Type")
                    {
                        request.ContentType = keyValue.Value;
                        continue;
                    }
                    request.Headers.Add(keyValue.Key, keyValue.Value);
                }
            }

            if (String.IsNullOrEmpty(jsonString))
            {
                request.ContentLength = 0;
            }
            else
            {
                byte[] bs = Encoding.UTF8.GetBytes(jsonString);
                request.ContentLength = bs.Length;
                Stream newStream = request.GetRequestStream();
                newStream.Write(bs, 0, bs.Length);
                newStream.Close();
            }


            WebResponse response = request.GetResponse();
            Stream stream = response.GetResponseStream();
            Encoding encode = Encoding.UTF8;
            StreamReader reader = new StreamReader(stream, encode);
            string resultJson = reader.ReadToEnd();
            return resultJson;
        }
        #endregion

源码下载链接：https://download.csdn/download/qq_37192571/20620584

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