时间戳

转载：http://www.u3d8.com/?p=1112

/// <summary>

    /// 生成时间戳

    /// </summary>

    /// <param name="time"></param>

    /// <returns></returns>

    private long ConvertDateTimeToLong(DateTime time)   //System.DateTime.Now

    {

        DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1, 0, 0, 0, 0));

//TotalSeconds 生成十位的时间戳 ；TotalMilliseconds生成十三位的时间戳

        return (long)(time - startTime).TotalSeconds;   //

    }

    /// <summary>

    /// 解析时间戳

    /// </summary>

    /// <param name="timeStamp"></param>

    /// <returns></returns>

    private DateTime ConvertLongToDateTime(long timeStamp)

    {

        DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970,1,1,0,0,0));

        long lTime = long.Parse(timeStamp + "0000000");

        TimeSpan toNow = new TimeSpan(lTime);

        return dtStart.Add(toNow);

    }