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这里是qdatetime.h包含文件的所有文本，一字不差。它仅仅用来说明，版权由Trolltech保留。
/*************************************************************************
** $Id: qt/qdatetime.h 3.0.5 edited Oct 12 2001 $
**
** Definition of date and time classes
**
** Created : 940124
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QDATETIME_H
#define QDATETIME_H
#ifndef QT_H
#include "qstring.h"
#include "qnamespace.h"
#endif // QT_H
/*****************************************************************************
QDate class
*****************************************************************************/
class Q_EXPORT QDate
{
public:
QDate() { jd=0; } // set null date
QDate( int y, int m, int d ); // set date
bool isNull() const { return jd == 0; }
bool isValid() const; // valid date
int year() const; // 1752..
int month() const; // 1..12
int day() const; // 1..31
int dayOfWeek() const; // 1..7 (monday==1)
int dayOfYear() const; // 1..365
int daysInMonth() const; // 28..31
int daysInYear() const; // 365 or 366
#ifndef QT_NO_TEXTDATE
#ifndef QT_NO_COMPAT
static QString monthName( int month ) { return shortMonthName( month ); }
static QString dayName( int weekday ) { return shortDayName( weekday ); }
#endif
static QString shortMonthName( int month );
static QString shortDayName( int weekday );
static QString longMonthName( int month );
static QString longDayName( int weekday );
#endif //QT_NO_TEXTDATE
#if !defined(QT_NO_SPRINTF)
QString toString( Qt::DateFormat f = Qt::TextDate ) const;
#endif
QString toString( const QString& format ) const;
bool setYMD( int y, int m, int d );
QDate addDays( int days ) const;
QDate addMonths( int months ) const;
QDate addYears( int years ) const;
int daysTo( const QDate & ) const;
bool operator==( const QDate &d ) const { return jd == d.jd; }
bool operator!=( const QDate &d ) const { return jd != d.jd; }
bool operator<( const QDate &d ) const { return jd < d.jd; }
bool operator<=( const QDate &d ) const { return jd <= d.jd; }
bool operator>( const QDate &d ) const { return jd > d.jd; }
bool operator>=( const QDate &d ) const { return jd >= d.jd; }
static QDate currentDate();
static QDate fromString( const QString& s, Qt::DateFormat f = Qt::TextDate );
static bool isValid( int y, int m, int d );
static bool leapYear( int year );
static uint gregorianToJulian( int y, int m, int d );
static void julianToGregorian( uint jd, int &y, int &m, int &d );
private:
uint jd;
friend class QDateTime;
#ifndef QT_NO_DATASTREAM
friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & );
friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & );
#endif
};
/*****************************************************************************
QTime class
*****************************************************************************/
class Q_EXPORT QTime
{
public:
QTime() { ds=0; } // set null time
QTime( int h, int m, int s=0, int ms=0 ); // set time
bool isNull() const { return ds == 0; }
bool isValid() const; // valid time
int hour() const; // 0..23
int minute() const; // 0..59
int second() const; // 0..59
int msec() const; // 0..999
#ifndef QT_NO_SPRINTF
QString toString( Qt::DateFormat f = Qt::TextDate ) const;
#endif
QString toString( const QString& format ) const;
bool setHMS( int h, int m, int s, int ms=0 );
QTime addSecs( int secs ) const;
int secsTo( const QTime & ) const;
QTime addMSecs( int ms ) const;
int msecsTo( const QTime & ) const;
bool operator==( const QTime &d ) const { return ds == d.ds; }
bool operator!=( const QTime &d ) const { return ds != d.ds; }
bool operator<( const QTime &d ) const { return ds < d.ds; }
bool operator<=( const QTime &d ) const { return ds <= d.ds; }
bool operator>( const QTime &d ) const { return ds > d.ds; }
bool operator>=( const QTime &d ) const { return ds >= d.ds; }
static QTime currentTime();
static QTime fromString( const QString& s, Qt::DateFormat f = Qt::TextDate );
static bool isValid( int h, int m, int s, int ms=0 );
void start();
int restart();
int elapsed() const;
private:
static bool currentTime( QTime * );
uint ds;
friend class QDateTime;
#ifndef QT_NO_DATASTREAM
friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & );
friend Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & );
#endif
};
/*****************************************************************************
QDateTime class
*****************************************************************************/
class Q_EXPORT QDateTime
{
public:
QDateTime() {} // set null date and null time
QDateTime( const QDate & );
QDateTime( const QDate &, const QTime & );
bool isNull() const { return d.isNull() && t.isNull(); }
bool isValid() const { return d.isValid() && t.isValid(); }
QDate date() const { return d; }
QTime time() const { return t; }
void setDate( const QDate &date ) { d=date; }
void setTime( const QTime &time ) { t=time; }
void setTime_t( uint secsSince1Jan1970UTC );
#ifndef QT_NO_SPRINTF
QString toString( Qt::DateFormat f = Qt::TextDate ) const;
#endif
QString toString( const QString& format ) const;
QDateTime addDays( int days ) const;
QDateTime addMonths( int months ) const;
QDateTime addYears( int years ) const;
QDateTime addSecs( int secs ) const;
int daysTo( const QDateTime & ) const;
int secsTo( const QDateTime & ) const;
bool operator==( const QDateTime &dt ) const;
bool operator!=( const QDateTime &dt ) const;
bool operator<( const QDateTime &dt ) const;
bool operator<=( const QDateTime &dt ) const;
bool operator>( const QDateTime &dt ) const;
bool operator>=( const QDateTime &dt ) const;
static QDateTime currentDateTime();
static QDateTime fromString( const QString& s, Qt::DateFormat f = Qt::TextDate );
private:
QDate d;
QTime t;
#ifndef QT_NO_DATASTREAM
friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime &);
friend Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & );
#endif
};
/*****************************************************************************
Date and time stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream &operator<<( QDataStream &, const QDate & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QDate & );
Q_EXPORT QDataStream &operator<<( QDataStream &, const QTime & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QTime & );
Q_EXPORT QDataStream &operator<<( QDataStream &, const QDateTime & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QDateTime & );
#endif // QT_NO_DATASTREAM
#endif // QDATETIME_H
| Copyright © 2002 Trolltech | Trademarks | 译者:Cavendish | Qt 3.0.5版
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