Https Get Post

  #region Http 访问
        public string GetHttpUrl(string Url)
        {
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
                request.Method = "GET";
                request.ContentType = "application/json;charset=UTF-8";
                request.ServicePoint.Expect100Continue = false; //防止   远程服务器返回错误: (417) Expectation failed 
                ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream myResponseStream = response.GetResponseStream();
                StreamReader myStreamReader = new StreamReader(myResponseStream);
                string retString = myStreamReader.ReadToEnd();
                myStreamReader.Close();
                myResponseStream.Close();
                response.Close();
                return retString;
            }
            catch (Exception ex)
            {
                return "errer";
            }
        }
        private bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
        {
            return true;
        }
        private string PostWebRequest(string postUrl, byte[] byteArray)
        {
            string ret = string.Empty;
            try
            {
                HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(postUrl));
                webReq.Timeout = 6000000;
                webReq.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0";
                webReq.Method = "POST";
                webReq.ContentType = "application/x-www-form-urlencoded";
                ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
                webReq.ContentLength = byteArray.Length;
                webReq.ServicePoint.Expect100Continue = false; //防止   远程服务器返回错误: (417) Expectation failed 
                Stream newStream = webReq.GetRequestStream();
                newStream.Write(byteArray, 0, byteArray.Length);//写入参数
                newStream.Close();
                HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();
                StreamReader sr = new StreamReader(response.GetResponseStream());
                ret = sr.ReadToEnd();
                sr.Close();
                response.Close();
                newStream.Close();
            }
            catch (Exception ex)
            {
                return "errer";
            }
            return ret;
        }