utc时间戳 日期 转换

utc时间戳 日期 转换

 public long ConvertDateTimeToInt(DateTime time)
        {
            DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1, 0, 0, 0, 0));    
            long t = (time.Ticks - startTime.Ticks) / 10000;       //除10000调整为13位
            return t;
        }

        

        private DateTime ConvertStringToDateTime(string timestamp)
        {
            DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
            long lTime = long.Parse(timestamp + "0000");
            TimeSpan toNow = new TimeSpan(lTime);
            return dtStart.Add(toNow);
        }