C#时间戳和DateTime的相互转换

  /// <summary>
        /// 将c# DateTime时间格式转换为Unix时间戳格式
        /// </summary>
        /// <param name="time">时间</param>
        /// <returns>long</returns>
        public static long ConvertDateTimeToLong(DateTime time)
        {
            DateTime startTime = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1, 0, 0, 0, 0), TimeZoneInfo.Local);
            long t = (time.Ticks - startTime.Ticks) / 10000;   //除10000调整为13位
            return t;
        }

        /// <summary>
        /// 时间戳转为C#格式时间
        /// </summary>
        /// <param name=”timeStamp”></param>
        /// <returns></returns>
        public static DateTime ConvertLongToDateTime(long timeStamp)
        {
            DateTime dtStart = TimeZoneInfo.ConvertTime(new DateTime(1970, 1, 1, 0, 0, 0, 0), TimeZoneInfo.Local);
            long lTime = timeStamp * 10000;
            TimeSpan toNow = new TimeSpan(lTime);
            return dtStart.Add(toNow);
        }

原文地址：https://www.cnblogs.com/chongyao/p/12213084.html