微信接口对接验证

　　　　//接口对接验证
        public static string Validation(HttpContext context)
        {
            string token = JobBase.GetConfParamValue(ParamEnum.Token);
            string signature = context.Request.QueryString["signature"];
            string timestamp = context.Request.QueryString["timestamp"];
            string nonce = context.Request.QueryString["nonce"];
            string echostr = context.Request.QueryString["echostr"];

            string[] ArrayParam = { timestamp, nonce, token };
            Array.Sort(ArrayParam);
            string Clear = string.Empty;
            foreach (string param in ArrayParam)
            {
                Clear += param;
            }
            string NewSignature = Cryptography.SHA1_EncryptToFormat(Clear);
            Logger.Write("OriginalString:" + context.Request.Url.OriginalString + ";Query:" + context.Request.Url.Query + ";token" + token + ";NewSignature:" + NewSignature);
            if (NewSignature == signature)
            {
                Logger.Write("验证成功");
                return echostr;
            }
            return echostr;
        }