/// <summary>
        /// 查询订单
        /// </summary>
        /// <param name="strOrderNum">订单号</param>
        /// <param name="strTranDate">交易日期</param>
        /// <param name="strShopCode">商家代码</param>
        /// <param name="strShopAccount">商城账号</param>
        /// <param name="errInfo"></param>
        /// <returns></returns>
        public static string CheckOrder(string strOrderNum, string strTranDate, string strShopCode, string strShopAccount, out string errInfo)
        {
            try
            {
                errInfo = string.Empty;
                StringBuilder sb = new StringBuilder();
                sb.Append("<?xml  version=\"1.0\" encoding=\"GBK\" standalone=\"no\" ?><ICBCAPI><in><orderNum>");
                sb.Append(strOrderNum);
                sb.Append("</orderNum><tranDate>");
                sb.Append(strTranDate);
                sb.Append("</tranDate><ShopCode>");
                sb.Append(strShopCode);
                sb.Append("</ShopCode><ShopAccount>");
                sb.Append(strShopAccount);
                sb.Append("</ShopAccount></in></ICBCAPI>");
                string post_data = post_params + sb.ToString();
                string retruenstring = PostDataBySSL(post_data, api_url, cert_path, strKey, out errInfo);
                //var result = SpringFactory.BusinessFactory.GetBusinessAnonymousUser();
                //result.AddLogs("返回3：" + (retruenstring.Length > 400 ? retruenstring.Substring(0, 400) : retruenstring));
                if (retruenstring.Length <= 5)
                {
                    return retruenstring;
                }
                return HttpUtility.UrlDecode(retruenstring);
            }
            catch (Exception ex)
            {
                var result = SpringFactory.BusinessFactory.GetBusinessAnonymousUser();
                result.AddLogs("返回1：" + "查询缴费接口失败" + ex.Message);
                errInfo = "查询缴费接口失败";

                return "99";
            }
        }

   /// <summary>
        /// 发送SSL加密请求
        /// </summary>
        /// <param name="post_data"></param>
        /// <param name="url"></param>
        /// <param name="cert_path"></param>
        /// <param name="cert_password"></param>
        /// <param name="errInfo"></param>
        /// <returns></returns>
        public static string PostDataBySSL(string post_data, string url, string cert_path, string cert_password, out string errInfo)
        {
            errInfo = string.Empty;
            try
            {
                ASCIIEncoding encoding = new ASCIIEncoding();
                byte[] data = encoding.GetBytes(post_data);
                if (cert_path != string.Empty)
                {
                    //验证证书,默认有效
                    ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(ValidateServerCertificate);
                }
                //获取结果
                WebRequest webRequest = WebRequest.Create(url);
                //配置请求参数
                HttpWebRequest httpRequest = webRequest as HttpWebRequest;

                if (cert_path.ToLower().EndsWith(".cer"))
                {
                    httpRequest.ClientCertificates.Add(X509Certificate.CreateFromCertFile(cert_path));
                }
                else
                {

                    var s = new X509Certificate2(cert_path, cert_password);
                    httpRequest.ClientCertificates.Add(s);

                    //httpRequest.ClientCertificates.Add(new X509Certificate2(cert_path, cert_password));

                    //X509Store store = new X509Store("My", StoreLocation.LocalMachine);
                    //store.Open(OpenFlags.ReadOnly | OpenFlags.OpenExistingOnly);
                    //System.Security.Cryptography.X509Certificates.X509Certificate2 cert =
                    //    store.Certificates.Find(X509FindType.FindBySubjectName, "zzjy001.e.3002", false)[0];

                }
                //获取或设置一个值，该值指示是否与 Internet 资源建立持久性连接。
                httpRequest.KeepAlive = true;
                //获取或设置 User-agentHTTP 标头的值。
                httpRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)";
                httpRequest.ContentType = "application/x-www-form-urlencoded";
                httpRequest.Method = "POST";

                // 发送 POST 的 BODY数据 要发送到 Internet 资源的数据的字节数
                httpRequest.ContentLength = data.Length;
                Stream requestStream = httpRequest.GetRequestStream();  //获取用于写入请求数据的 Stream 对象
                requestStream.Write(data, 0, data.Length);    //发送带有 HttpWebRequest 的数据
                requestStream.Close();

                Stream responseStream = null;   //从 Internet 资源返回数据流
                // 获取HTTPs的响应
                responseStream = httpRequest.GetResponse().GetResponseStream();
                string stringResponse = string.Empty;
                if (responseStream != null)
                {
                    using (StreamReader responseReader =
                       new StreamReader(responseStream, Encoding.GetEncoding("GBK")))
                    {
                        stringResponse = responseReader.ReadToEnd();
                    }
                    responseStream.Close();
                }
                return stringResponse;
            }
            catch (Exception e)
            {
                errInfo = e.Message;
                var result = SpringFactory.BusinessFactory.GetBusinessAnonymousUser();
                result.AddLogs("返回2：" + e.Message);

                return string.Empty;
            }
        }

    public static bool ValidateServerCertificate(object sender, System.Security.Cryptography.X509Certificates.X509Certificate certificate, System.Security.Cryptography.X509Certificates.X509Chain chain, System.Net.Security.SslPolicyErrors sslPolicyErrors)
        {
            return true;
        }