📄 qdatetime-h.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qdatetime.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qdatetime.h</h1><br clear="all">This is the verbatim text of the qdatetime.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/tools/qdatetime.h 2.3.8 edited 2004-05-12 $**** 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"#endif // QT_H/***************************************************************************** QDate class *****************************************************************************/class Q_EXPORT <a href="qdate.html">QDate</a>{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 virtual QString monthName( int month ) const; virtual QString dayName( int weekday ) const; QString toString() const; bool setYMD( int y, int m, int d ); QDate addDays( int days ) 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 bool isValid( int y, int m, int d ); static bool leapYear( int year );protected: static uint greg2jul( int y, int m, int d ); static void jul2greg( uint jd, int &y, int &m, int &d );private: static const char * const monthNames[]; static const char * const weekdayNames[]; 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 <a href="qtime.html">QTime</a>{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 QString toString() 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 bool isValid( int h, int m, int s, int ms=0 ); void start(); int restart(); int elapsed();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 <a href="qdatetime.html">QDateTime</a>{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 ); QString toString() const; QDateTime addDays( int days ) 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();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_DATASTREAMQ_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</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -