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Sourcecode: qt4-x11 version File versions

src.corelib.tools.qdatetime.cpp

//! [0]
        QDate d1(1995, 5, 17);  // May 17, 1995
        QDate d2(1995, 5, 20);  // May 20, 1995
        d1.daysTo(d2);          // returns 3
        d2.daysTo(d1);          // returns -3
//! [0]


//! [1]
        QDate date = QDate::fromString("1MM12car2003", "d'MM'MMcaryyyy");
        // date is 1 December 2003
//! [1]


//! [2]
        QDate date = QDate::fromString("130", "Md"); // invalid
//! [2]


//! [3]
        QDate::fromString("1.30", "M.d");           // January 30 1900
        QDate::fromString("20000110", "yyyyMMdd");  // January 10, 2000
        QDate::fromString("20000110", "yyyyMd");    // January 10, 2000
//! [3]


//! [4]
        QDate::isValid(2002, 5, 17);  // true
        QDate::isValid(2002, 2, 30);  // false (Feb 30 does not exist)
        QDate::isValid(2004, 2, 29);  // true (2004 is a leap year)
        QDate::isValid(2000, 2, 29);  // true (2000 is a leap year)
        QDate::isValid(2006, 2, 29);  // false (2006 is not a leap year)
        QDate::isValid(2100, 2, 29);  // false (2100 is not a leap year)
        QDate::isValid(1202, 6, 6);   // true (even though 1202 is pre-Gregorian)
//! [4]


//! [5]
        QTime n(14, 0, 0);                // n == 14:00:00
        QTime t;
        t = n.addSecs(70);                // t == 14:01:10
        t = n.addSecs(-70);               // t == 13:58:50
        t = n.addSecs(10 * 60 * 60 + 5);  // t == 00:00:05
        t = n.addSecs(-15 * 60 * 60);     // t == 23:00:00
//! [5]


//! [6]
        QTime time = QTime::fromString("1mm12car00", "m'mm'hcarss");
        // time is 12:01.00
//! [6]


//! [7]
        QTime time = QTime::fromString("00:710", "hh:ms"); // invalid
//! [7]


//! [8]
        QTime time = QTime::fromString("1.30", "m.s");
        // time is 00:01:30.000
//! [8]


//! [9]
        QTime::isValid(21, 10, 30); // returns true
        QTime::isValid(22, 5,  62); // returns false
//! [9]


//! [10]
        QTime t;
        t.start();
        some_lengthy_task();
        qDebug("Time elapsed: %d ms", t.elapsed());
//! [10]


//! [11]
        QDateTime now = QDateTime::currentDateTime();
        QDateTime xmas(QDate(now.date().year(), 12, 25), QTime(0, 0));
        qDebug("There are %d seconds to Christmas", now.secsTo(xmas));
//! [11]


//! [12]
        QTime time1 = QTime::fromString("131", "HHh");
        // time1 is 13:00:00
        QTime time1 = QTime::fromString("1apA", "1amAM");
        // time1 is 01:00:00

        QDateTime dateTime2 = QDateTime::fromString("M1d1y9800:01:02",
                                                    "'M'M'd'd'y'yyhh:mm:ss");
        // dateTime is 1 January 1998 00:01:02
//! [12]


//! [13]
        QDateTime dateTime = QDateTime::fromString("130", "Mm"); // invalid
//! [13]


//! [14]
        QDateTime dateTime = QDateTime::fromString("1.30.1", "M.d.s");
        // dateTime is January 30 in the current year 00:00:01
//! [14]



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