用户密码加密

        /// <summary>
        /// 用户密码加密
        /// 张晓磊
        /// </summary>
        /// <param name="data">需要加密的参数</param>
        /// <returns></returns>
        private string MD5Sign(string key, params object[] args)
        {
            var list = new List<string>();
            list.AddRange(args.Select(x => (x ?? string.Empty).ToString()));
            list.Sort();
            string strData = string.Join("|", list);
            if (!string.IsNullOrEmpty(key))
            {
                strData = string.Join("|", list) + "&key=" + key;
            }
            //密码:md5加密方式(guid,|,用户密码)
            var pwds = Crypto.Hash(HashFlag.MD5).SignData(strData);
            //将byte数组转换为16进制的字符串形式
            return strData = Crypto.ToHexString(pwds);
        }