書籍分享天地

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private slots:

    void getTime(qint64);
    void currentTime(qint64);

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#include <QtMultimedia/qmediaplayer>
#include <QTime>

music_play::music_play(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::music_play)
{
    ui->setupUi(this);


    player = new QMediaPlayer;

    connect(player, SIGNAL(durationChanged(qint64)),this,SLOT(getTime(qint64)));
    connect(player, SIGNAL(positionChanged(qint64)),this,SLOT(currentTime(qint64)));

    player->setMedia(QUrl::fromLocalFile("D:/Qt/project/music_play/song/JC - 說散就散 Lyrics Video.mp3"));

    player->play();


}

void music_play::getTime(qint64 times) //總時間
{
    qint64 h,m,s;

    times /=1000;    //以毫秒計算所以需要除1000

    h = (times)/3600;
    m = (times-(h*3600))/60;
    s = times-(h*3600)-(m*60);

    QTime time;

    time.setHMS(h,m,s);

    ui->label->setText(time.toString("hh:mm:ss")); //設置指定格式
}

void music_play::currentTime(qint64 times) //目前播放時間
{
    qint64 h,m,s;

    times /=1000;


    h = (times)/3600;
    m = (times-(h*3600))/60;
    s = times-(h*3600)-(m*60);

    QTime time;

    time.setHMS(h,m,s);

    ui->label_2->setText(time.toString("hh:mm:ss"));
}

music_play::~music_play()
{
    delete ui;
}

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player->duration()