/// <summary>
        /// 获取token值
        /// </summary>
        /// <param name="model"></param>
        private static void GetToken(WebSiteModel model)
        {
            var result = http.GetHtml(new HttpItem()
            {
                URL = model.SiteDomin
            });

            model.Result = result;
            model.Token  = RegexHelper.GeMidStringValue(result.Html, "var token = '", "';");
            model.Cookie = result.Cookie;
        }
        /// <summary>
        /// 提交签到请求
        /// </summary>
        /// <param name="model"></param>
        private void PostSign(WebSiteModel model)
        {
            var result = http.GetHtml(new HttpItem()
            {
                URL              = model.SignRequestUrl,
                Cookie           = model.Cookie,
                Referer          = model.SiteDomin,
                Method           = "Get",
                Timeout          = 100000,                              //连接超时时间     可选项默认为100000
                ReadWriteTimeout = 30000,                               //写入Post数据超时时间     可选项默认为30000
                //UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36",//用户的浏览器类型,版本,操作系统     可选项有默认值
                Accept      = "application/json, text/javascript, */*", //    可选项有默认值
                ContentType = "application/x-www-form-urlencoded",      //返回类型    可选项有默认值
            });

            model.Result = result;
        }
        public SignModel BeginSign(string userName, string userPwd)
        {
            SignModel signModel = new SignModel();

            WebSiteModel model = new WebSiteModel()
            {
                SiteDomin      = "http://www.17sucai.com/",
                SiteName       = "17素材网",
                LoginUrl       = "http://www.17sucai.com/auth",
                LoginName      = userName,
                LoginPwd       = userPwd,
                SignRequestUrl = "http://www.17sucai.com/member/signin",
            };

            model.LoginPwd = Encrypt.SHA1Encrypt(model.LoginPwd).ToLower();

            GetToken(model);

            PostLogin(model);
            if (model.Result.Html.Contains("ret\":1")) //登陆成功
            {
                PostSign(model);                       //{"code":200,"day":3,"score":60}
                if (model.Result.Html.Contains("code\":200"))
                {
                    signModel.IsSuccess = true;
                    if (model.Result.Html.Contains("score"))
                    {
                        signModel.Msg = "签到成功,获得积分:" + RegexHelper.GeMidStringValue(model.Result.Html, "score", "}");
                    }
                    else
                    {
                        signModel.Msg = "已签到";
                    }
                }
                else
                {
                    signModel.Msg = "签到失败:" + model.Result.Html;
                }
            }
            else
            {
                signModel.Msg = "登陆失败";
            }
            signModel.Msg = "[" + userName + "]" + signModel.Msg;
            return(signModel);
        }
        /// <summary>
        /// 模拟登陆
        /// </summary>
        /// <param name="model"></param>
        private void PostLogin(WebSiteModel model)
        {
            model.Token     = System.Web.HttpUtility.UrlEncode(model.Token);
            model.LoginName = System.Web.HttpUtility.UrlEncode(model.LoginName);
            string   postData = string.Format("email={0}&password={1}&token={2}", model.LoginName, model.LoginPwd, model.Token);
            HttpItem item     = new HttpItem()
            {
                URL              = model.LoginUrl,
                Postdata         = postData,
                Cookie           = model.Cookie,
                Referer          = model.SiteDomin,
                Method           = "POST",
                Timeout          = 100000,                              //连接超时时间     可选项默认为100000
                ReadWriteTimeout = 30000,                               //写入Post数据超时时间     可选项默认为30000
                //UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36",//用户的浏览器类型,版本,操作系统     可选项有默认值
                Accept      = "application/json, text/javascript, */*", //    可选项有默认值
                ContentType = "application/x-www-form-urlencoded",      //返回类型    可选项有默认值
            };
            var result = http.GetHtml(item);

            model.Result = result;
        }