AW.Pay.Core.AliPay.BuildRequestsign C# (CSharp) Method

        private string BuildRequestsign(string urlParam, EnumSignType signType)
        {
            string mysign = "";

            if (signType == EnumSignType.MD5)
            {
                string preString = urlParam + AlipayConfig.ALI_KEY;
                mysign = MD5Helper.Sign(preString, AlipayConfig.CHARTSET);
            }
            else if (signType == EnumSignType.RSA)
                mysign = RSASign(urlParam, AlipayConfig.ALIPay_RSA_PRIVATEKEY, AlipayConfig.CHARTSET);

            return mysign;
        }