//UTC时间转WINDOWS时间
public DateTime UTCToDateTime(double l)
{
DateTime dtZone = new DateTime(1970, 1, 1, 0, 0, 0);
dtZone = dtZone.AddSeconds(l);
return dtZone.ToLocalTime();
}
//WINDOWS时间转UTC时间
public double DateTimeToUTC(DateTime vDate)
{
TimeZone tz = TimeZone.CurrentTimeZone;
vDate = vDate.ToUniversalTime();
DateTime dtZone = new DateTime(1970, 1, 1, 0, 0, 0);
return vDate.Subtract(dtZone).TotalSeconds;
}
.FromFileTime 方法
public System.TimeSpan FileAge(long fileCreationTime) {
System.DateTime now = System.DateTime.Now;
try {
System.DateTime fCreationTime = System.DateTime.FromFileTime(fileCreationTime);
System.TimeSpan fileAge = now.Subtract(fCreationTime);
return fileAge;
}
catch (ArgumentOutOfRangeException) {
// fileCreationTime is not valid, so re-throw the exception.
throw;
}
}
.FromFileTimeUtc 方法
//十进制转十六进制,不足补零.
Convert.ToString(receiveBytes[8], 16).ToString().PadLeft(2, '0')
//UTC时间转WINDOWS时间
public DateTime UTCToDateTime(double l)
{
DateTime dtZone = new DateTime(1970, 1, 1, 0, 0, 0);
dtZone = dtZone.AddSeconds(l);
return dtZone.ToLocalTime();
}
//WINDOWS时间转UTC时间
public double DateTimeToUTC(DateTime vDate)
{
TimeZone tz = TimeZone.CurrentTimeZone;
vDate = vDate.ToUniversalTime();
DateTime dtZone = new DateTime(1970, 1, 1, 0, 0, 0);
return vDate.Subtract(dtZone).TotalSeconds;
}
.FromFileTime 方法
public System.TimeSpan FileAge(long fileCreationTime) {
System.DateTime now = System.DateTime.Now;
try {
System.DateTime fCreationTime = System.DateTime.FromFileTime(fileCreationTime);
System.TimeSpan fileAge = now.Subtract(fCreationTime);
return fileAge;
}
catch (ArgumentOutOfRangeException) {
// fileCreationTime is not valid, so re-throw the exception.
throw;
}
}
.FromFileTimeUtc 方法
//十进制转十六进制,不足补零.
Convert.ToString(receiveBytes[8], 16).ToString().PadLeft(2, '0')