/// <summary>
        /// 功能描述:汇通参数
        /// </summary>
        /// <param name="parameter">参数</param>
        /// <param name="key">加密字段</param>
        /// <param name="type">类型</param>
        /// <returns></returns>
        public string ProcessingHT(Dictionary <string, string> parameter, string key, string type)
        {
            RulePayBehavior PayBehavior = new RulePayBehavior();

            //得到加密方式
            string SignMethod = parameter["SignMethod"].ToString();
            string Amount     = "";

            if (type == "0")
            {
                Amount = "Amount";
            }
            else
            {
                Amount = "Payment_amt";
            }
            //金额乘以100
            if (parameter.ContainsKey(Amount))
            {
                parameter[Amount] = (decimal.Parse(parameter[Amount]) * 100).ToString("F0");
            }


            //删除异步地址和同步地址 进行签名
            parameter.Remove("SignMethod");



            //排序
            string paixu = PayBehavior.AsciiDesc(parameter).TrimEnd('&');

            //排序后的字符串加上key
            paixu = paixu + key;
            //加密字符串
            string sign = PayBehavior.EncryptionMd5(paixu, "x2");

            //添加 加密方式和sign


            parameter.Add("SignMethod", SignMethod);

            parameter.Add("Signature", sign);


            //对特殊参数先进行Base64编码然后把其中的”+”替换为“%2b”
            String[] base64Keys = new String[] { "CodeUrl", "ImgUrl", "Token_Id", "PayInfo", "sPayUrl", "PayUrl", "NotifyUrl", "ReturnUrl" };

            Dictionary <string, string> keyValuePairs = PayBehavior.stringtobase64(parameter, base64Keys);

            ////对所有的值进行encode
            string[] arrKeynew = keyValuePairs.Keys.ToArray();
            for (int i = 0; i < arrKeynew.Length; i++)
            {
                keyValuePairs[arrKeynew[i].ToString()] = HttpUtility.UrlEncode(keyValuePairs[arrKeynew[i].ToString()], System.Text.Encoding.UTF8);
            }

            //string jsontext = PayBehavior.GetParamsStr(keyValuePairs);
            string jsontext = PayBehavior.GetParamsStr(keyValuePairs);

            //string jsontext = JsonHelper.SerializeObject(parameter);

            return(jsontext);
        }