static void Main(string[] args){string str = "hello";/** 注意这里的链接，要加上.json* 我就是在这里被坑了1个小时* 总是异常：400 Bad Request* 之后我在野狗云应用中手动加入了一个user节点* 然后就正常保存了*///appId：对应你的野狗云应用
Post("https://<appId>.wilddogio.com/user.json", "{\"col1\":\"" + DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss") + "\",\"col2\":\"" + str + "\"}");}/// <summary>/// 发送post请求/// </summary>/// <param name="posturl">请求地址</param>/// <param name="jsonstr">json数据</param>/// <returns></returns>public static string Post(string posturl, string jsonstr){//设置https验证方式if (posturl.StartsWith("https", StringComparison.OrdinalIgnoreCase)){ServicePointManager.ServerCertificateValidationCallback =new RemoteCertificateValidationCallback(CheckValidationResult);}HttpWebRequest request = (HttpWebRequest)WebRequest.Create(posturl);request.Method = "POST";request.ContentType = "application/x-www-form-urlencoded";//json字符串转为字节数组 byte[] bytes = System.Text.Encoding.UTF8.GetBytes(jsonstr);//设置请求的ContentLength   request.ContentLength = bytes.Length;//发送请求，获得请求流
            Stream stream;try{//获取用于写入请求数据的Stream对象stream = request.GetRequestStream();}catch (Exception ex){stream = null;Console.WriteLine(ex.Message);}//把数据写入流stream.Write(bytes, 0, bytes.Length);stream.Close();HttpWebResponse response;try{//获得响应流response = (HttpWebResponse)request.GetResponse();}catch (WebException ex){response = ex.Response as HttpWebResponse;}Stream s = response.GetResponseStream();StreamReader sr = new StreamReader(s, Encoding.UTF8);string strVal = sr.ReadToEnd().Trim();sr.Close();s.Close();return strVal;}public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors){return true;}