/// <summary>
        /// 生成验证码
        /// </summary>
        /// <param name="email">邮箱地址</param>
        /// <param name="mobile">手机号码</param>
        /// <returns>验证码</returns>
        private string BuildVerifyCode(string appSign, string terminalSign, string email, string mobile = "")
        {
            try
            {
                //1.强制该邮件或手机号对应验证码失效
                CancelVerifyCode(appSign, email, mobile);

                //1.生成验证码及失效日期
                var      dbNow      = CommonUtil.GetDBDateTime();
                string   verifyCode = VerifyCodeUtil.Intance.GenNumCode(Consts.APP_VALIDATE_CODE_LENGTH);
                DateTime expireDate = dbNow.AddSeconds(ConfigUtil.ValidatecodeExpire);

                //2.登记用户验证码信息
                McpSysVerifycodeInfo verifyCodeModel = new McpSysVerifycodeInfo();
                verifyCodeModel.AppSign      = appSign;
                verifyCodeModel.Mobile       = mobile;
                verifyCodeModel.Email        = email;
                verifyCodeModel.VerifyCode   = verifyCode;
                verifyCodeModel.CreatedBy    = mobile;
                verifyCodeModel.ExpireDate   = expireDate;
                verifyCodeModel.Verified     = 0;
                verifyCodeModel.CreatedOn    = dbNow;
                verifyCodeModel.TerminalCode = terminalSign;
                this.GetRepository <McpSysVerifycodeInfo>().Create(verifyCodeModel);

                //3.返回产生的验证码
                return(verifyCode);
            }
            catch (Exception ex)
            {
                LogUtil.Error(ex.StackTrace);
                throw new MessageException("系统错误,生成验证码失败!");
            }
        }
        /// <summary>
        /// 使用验证码
        /// </summary>
        /// <param name="verifyCodeId">验证码Id</param>
        public void UpdateVerifyCodeStatus(string appSign, long verifyCodeId)
        {
            McpSysVerifycodeInfo verifyCodeModel = new McpSysVerifycodeInfo();

            verifyCodeModel.VerifyCodeId = verifyCodeId;
            verifyCodeModel.AppSign      = appSign;
            verifyCodeModel.Verified     = 1;
            verifyCodeModel.VerifiedDate = CommonUtil.GetDBDateTime();
            long vid = this.GetRepository <McpSysVerifycodeInfo>().Update(verifyCodeModel, "verified,verified_date");

            if (vid <= 0)
            {
                throw new MessageException("系统错误,更新验证码状态失败!");
            }
        }