Senparc.Weixin.QY.Helpers.SHA1UtilHelper.GetSha1 C# (CSharp) Method

        public static string GetSha1(string str)
        {
            //建立SHA1对象
            SHA1 sha = new SHA1CryptoServiceProvider();
            //将mystr转换成byte[] 
            ASCIIEncoding enc = new ASCIIEncoding();
            byte[] dataToHash = enc.GetBytes(str);
            //Hash运算
            byte[] dataHashed = sha.ComputeHash(dataToHash);
            //将运算结果转换成string
            string hash = BitConverter.ToString(dataHashed).Replace("-", "");
            return hash;
        }
    }

        /// <summary>
        /// 获取JS-SDK权限验证的签名Signature
        /// </summary>
        /// <param name="jsapi_ticket">jsapi_ticket</param>
        /// <param name="noncestr">随机字符串(必须与wx.config中的nonceStr相同)</param>
        /// <param name="timestamp">时间戳(必须与wx.config中的timestamp相同)</param>
        /// <param name="url">当前网页的URL，不包含#及其后面部分(必须是调用JS接口页面的完整URL)</param>
        /// <returns></returns>
        public static string GetSignature(string jsapi_ticket, string noncestr, long timestamp, string url)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("jsapi_ticket=").Append(jsapi_ticket).Append("&")
            .Append("noncestr=").Append(noncestr).Append("&")
            .Append("timestamp=").Append(timestamp).Append("&")
            .Append("url=").Append(url.IndexOf("#") >= 0 ? url.Substring(0, url.IndexOf("#")) : url);
            return(SHA1UtilHelper.GetSha1(sb.ToString()).ToLower());
        }