1s = 10000000ticks 奈秒 一千万奈秒
换算起始记录时间 1970年1月1日8点整
long ———— dateTime
// long --> DateTime
public static DateTime ConvertLongToDateTime(long d)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
long lTime = long.Parse(d + "0000");
TimeSpan toNow = new TimeSpan(lTime);
DateTime dtResult = dtStart.Add(toNow);
return dtResult;
}
DateTime————long
// DateTime --> long
public static long ConvertDataTimeToLong(DateTime dt)
{
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
TimeSpan toNow = dt.Subtract(dtStart);
long timeStamp = toNow.Ticks;
timeStamp = long.Parse(timeStamp.ToString().Substring(0, timeStamp.ToString().Length - 4));
return timeStamp;
}
Int————string 显示时分秒
//Int数值转成string时间显示
public static string FormatIntToStringDate(int time)
{
int days = time / (3600 * 24);
int hours = (time / 3600) - (days * 24);
int minutes = (time / 60) - (hours * 60) - (days * 60 * 24);
int seconds = time - minutes * 60 - hours * 3600 - days * 3600 * 24;
string showTime = "";
if (days == 0)
{
showTime = string.Format("{0:D2}:{1:D2}:{2:D2}", hours, minutes, seconds);
}
else
{
showTime = string.Format("{0:D2}:{1:D2}:{2:D2}:{3:D2}", days, hours, minutes, seconds);
}
return showTime;
}