C#模拟JS中的getTime()

//模拟JS中的Date.Gettime();

private long lLeft = 621355968000000000;//1970距0000的微秒数

//将数字变成时间
public string GetTimeFromInt(long ltime)
{
　　long Eticks = (long)(ltime * 10000000) + lLeft;
　　DateTime dt = new DateTime(Eticks).ToLocalTime();
　　return dt.ToString();
}
//将时间变成数字
public long GetIntFromTime(DateTime dt)
{
     DateTime dt1 = dt.ToUniversalTime();
　　long Sticks = ((dt1.Ticks - lLeft)*100)/1000000;
　　return Sticks;
}