/// <summary>
        /// 增加二维码登录
        /// </summary>
        /// <param name="info"></param>
        /// <returns></returns>
        public void Add(QrCodeLoginInfo info)
        {
            ArgumentHelper.AssertIsTrue(info != null, "QrCodeLoginInfo is null");
            ArgumentHelper.AssertNotNullOrEmpty(info.Code, "QrCodeLoginInfo.Code is null or empty");
            ArgumentHelper.AssertIsTrue(info.TitaAppId > 0, "info.TitaAppId is less than 0");

            QrCodeLoginDao.Insert(info);
        }
        /// <summary>
        /// 更新二维码登录状态
        /// </summary>
        /// <param name="code"></param>
        /// <param name="state"></param>
        public void UpdateState(string code, QrCodeLoginState state)
        {
            ArgumentHelper.AssertNotNullOrEmpty(code, "Code is null or empty");

            var info = GetByCode(code);

            if (info != null)
            {
                info.State = state;
                QrCodeLoginDao.UpdateState(info);
            }
        }
        /// <summary>
        /// 更新二维码用户信息
        /// </summary>
        /// <param name="code"></param>
        /// <param name="state"></param>
        /// <param name="tenantId"></param>
        /// <param name="userId"></param>
        public void UpdateIdentity(string code, QrCodeLoginState state, int tenantId, int userId)
        {
            ArgumentHelper.AssertNotNullOrEmpty(code, "Code is null or empty");
            ArgumentHelper.AssertIsTrue(tenantId > 0, "TenantId is less than 0");
            ArgumentHelper.AssertIsTrue(userId > 0, "TenantId is less than 0");

            var info = GetByCode(code);

            if (info != null)
            {
                info.State    = state;
                info.TenantId = tenantId;
                info.UserId   = userId;
                QrCodeLoginDao.UpdateIdentity(info);
            }
        }
        /// <summary>
        /// 根据Code获取二维码登录
        /// </summary>
        /// <param name="code"></param>
        /// <returns></returns>
        private QrCodeLoginInfo GetByCode(string code)
        {
            var qrcode = QrCodeLoginDao.GetByCode(code);

            return(qrcode);
        }