public Dictionary<string, string> PayInfo = new Dictionary<string, string>();

        //

        // GET: /AliPay/

        public ActionResult Index()

        {

            testsign();

            GetPayInfo("0.01");

            return View();

        }

        /// <summary>

        /// 测试公钥是否对

        /// </summary>

        /// <returns></returns>

        public string testsign()

        {

            string privtekey = Config.privtekey;//这个就是生成器里面的那个私钥,第一个大框框那里的.

            string data = "a=123";//平台上提供的串

            string sign = RSAFromPkcs8.sign(data, privtekey, "utf-8");

            return sign;

        }

        /// <summary>

        /// 获取支付信息

        /// </summary>

        /// <param name="_amount"></param>

        /// <returns></returns>

        public string GetPayInfo(string _amount)//_amount:付款金额

        {

            string strJson = string.Empty;

            try

            {

                string orderInfo = GetOrderInfoWithOutEncode(_amount);

                // 对订单做RSA 签名

                string sign = RSAFromPkcs8.sign(orderInfo, Config.privtekey, "utf-8");

                //仅需对sign做URL编码