C# 时间与时间戳互转的方法(13位)

    /// <summary>

     /// 获取时间戳

     /// </summary>

     /// <returns></returns>

     public static string GetTimeStamp(System.DateTime time)

     {

       long ts = ConvertDateTimeToInt(time);

       return ts.ToString();

     }

     /// <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 ConvertDateTimeToInt(System.DateTime time)

     {

       System.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;

     }

     /// <summary>   

     /// 时间戳转为C#格式时间   

     /// </summary>   

     /// <param name=”timeStamp”></param>   

     /// <returns></returns>   

     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);

     }