public string AddSigninCredit(dynamic requestData)
        {
            try
            {
                int MemberId = JsonConvert.DeserializeObject <int>(JsonConvert.SerializeObject(requestData.MemberId));

                var datatime = DateTime.Today;

                var q = (from v in db.SigninCreditLog
                         where v.MemberId == MemberId && v.SigninData == datatime
                         select v
                         ).FirstOrDefault();
                if (q == null)
                {
                    SigninCreditLog s = new SigninCreditLog();
                    s.SigninData = datatime;
                    s.MemberId   = MemberId;
                    db.SigninCreditLog.Add(s);

                    SigninCredit sC    = new SigninCredit();
                    var          sccun = (from v in db.SigninCredit
                                          where v.MemberId == MemberId
                                          select v
                                          ).FirstOrDefault();
                    if (sccun == null)
                    {
                        sC.MemberId     = MemberId;
                        sC.CreditsCount = 1;
                        sC.CreateTime   = DateTime.Now;
                        sC.UpdateTime   = DateTime.Now;
                        db.SigninCredit.Add(sC);
                    }
                    else
                    {
                        sccun.CreditsCount = sccun.CreditsCount + 1;
                        sccun.UpdateTime   = DateTime.Now;
                        db.Entry <SigninCredit>(sccun).State = EntityState.Modified;
                    }
                    db.SaveChanges();
                    return("OK");
                }
                else
                {
                    return("2");
                }
            }
            catch (Exception)
            {
                return("No");
            }
        }
        public string GetSignin(dynamic requestData)
        {
            #region 最近7天签到情况
            int MemberId = JsonConvert.DeserializeObject <int>(JsonConvert.SerializeObject(requestData.MemberId));
            var datatime = DateTime.Today;
            List <SigninCreditLog> listSCLog = new List <SigninCreditLog>();
            for (int i = 0; i < 7; i++)
            {
                var list = (from v in db.SigninCreditLog
                            where v.MemberId == MemberId && v.SigninData == datatime
                            select v).FirstOrDefault();
                if (list == null)
                {
                    SigninCreditLog sclog = new SigninCreditLog();
                    sclog.Id         = 0;
                    sclog.IsDraw     = 2;
                    sclog.SigninData = datatime;
                    sclog.MemberId   = MemberId;
                    listSCLog.Add(sclog);
                }
                else
                {
                    listSCLog.Add(list);
                }
                datatime = datatime.AddDays(-1);
            }
            var d = (from v in listSCLog
                     select new
            {
                MemberId = v.MemberId,
                SigninData = v.SigninData,
                IsDraw = v.IsDraw
            });
            #endregion


            #region 计算连续签到天数

            int continuousDay = 0;

            for (int i = 0; i < 7; i++)
            {
                if (i == 0 && listSCLog[i].SigninData == DateTime.Today && listSCLog[i].IsDraw == 2)
                {
                    continue;
                }
                if (listSCLog[i].IsDraw == 0)
                {
                    continuousDay = continuousDay + 1;
                }
                else
                {
                    break;
                }
            }



            #endregion



            #region 当天是否签到

            datatime = DateTime.Today;
            var isSigninData = "f";
            var scl          = (from v in db.SigninCreditLog
                                where v.MemberId == MemberId && v.SigninData == datatime
                                select v).FirstOrDefault();
            if (scl == null)
            {
                isSigninData = "f";
            }
            else
            {
                isSigninData = "t";
            }
            #endregion
            //return JsonConvert.SerializeObject(d, DateTimeConvent.DateTimedd());
            return("{\"SigninCredit\":" + JsonConvert.SerializeObject(d, DateTimeConvent.DateTimedd()) + ",\"IsSiginCredit\":\"" + isSigninData + "\",\"ContinuousDay\":" + continuousDay + "}");
        }