设置协议Post调用

 

 

    /// <summary>
        /// 发送数据
        /// </summary>
        /// <param name="url">地址</param>
        /// <param name="postData">xml</param>
        /// <returns></returns>
        public static string DoPost(string url, string postData)
        {
            //这里已经url编码了一次 
            //string param = "logistics_interface =" + HttpUtility.UrlEncode(postData.Trim(), Encoding.GetEncoding("GBK"));
            //string param =  HttpUtility.UrlEncode(postData.Trim(), Encoding.GetEncoding("UTF-8"));
            string param = postData.Trim();
            byte[] bs = Encoding.GetEncoding("UTF-8").GetBytes(param); 
            ServicePointManager.ServerCertificateValidationCallback 
                = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);//验证服务器证书回调自动验证

//解决 SSL/TLS 安全通道问题

ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;

ServicePointManager.SecurityProtocol =SecurityProtocolType.Tls12;

System.Net.ServicePointManager.Expect100Continue = false; HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.Timeout = 300000; request.Method = "POST"; request.ContentType = "text/json;application/x-www-form-urlencoded;charset=UTF-8;"; request.ContentLength = bs.Length; try { using (Stream reqStream = request.GetRequestStream()) { reqStream.Write(bs, 0, bs.Length); } HttpWebResponse response = (HttpWebResponse)request.GetResponse(); StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("UTF-8")); string responseString = sr.ReadToEnd(); sr.Close(); response.Close(); return responseString; } catch (Exception ex) { CommonCode.SaveExceptionLog("Post", "发送数据出现异常：" + ex.ToString()); throw ex; } }