datetime.cpp

一套linux下的C++开发库

/***************************************************************************
                          datetime.cpp  -  description
                             -------------------
    begin                : Fri Jul 20 2001
    copyright            : (C) 2001 by Mark
    email                : [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/


#include <stdio.h>

#include "datetime.h"


CDateTime::CDateTime()
{
	m_tTime = time(NULL);
	localtime_r(&m_tTime, &m_stTime);
}


CDateTime::CDateTime(time_t tTime)
{
	m_tTime = tTime;
	localtime_r(&m_tTime, &m_stTime);
}


CDateTime::CDateTime(const struct tm& stTime)
{
	m_stTime = stTime;
	m_tTime = mktime(&m_stTime);
}


CDateTime::CDateTime(int iYear, int iMonth, int iDay, int iHour = 0, int iMinute = 0, int iSecond = 0)
{
	m_stTime.tm_year = iYear - 1900;
	m_stTime.tm_mon = iMonth - 1;
	m_stTime.tm_mday = iDay;
	m_stTime.tm_hour = iHour;
	m_stTime.tm_min = iMinute;
	m_stTime.tm_sec = iSecond;
	
	m_tTime = mktime(&m_stTime);
}


string CDateTime::ShortDateTime()
{
	char sDateTime[15];
	sprintf(sDateTime, "%04d%02d%02d%02d%02d%02d", Year(), Month(), Day(), Hour(), Minute(), Second());
	return string(sDateTime);
}


string CDateTime::LongDateTime(char chSep1, char chSep2)
{
	char sDateTime[20];
	sprintf(sDateTime, "%04d%c%02d%c%02d %02d%c%02d%c%02d", Year(), chSep1, Month(), chSep1, Day(),
					Hour(), chSep2, Minute(), chSep2, Second());
	return string(sDateTime);
}


string CDateTime::ShortDate()
{
	char sDate[9];
	sprintf(sDate, "%04d%02d%02d", Year(), Month(), Day());
	return string(sDate);
}


string CDateTime::LongDate(char chSep = '-')
{
	char sDate[11];
	sprintf(sDate, "%04d%c%02d%c%02d", Year(), chSep, Month(), chSep, Day());
	return string(sDate);
}