c++ 音乐播放器 示例源码

#include <QFileDialog> #include <QInputDialog> #include <QStringlist> #include <QtextCodec> #include <QPixmap> #include <QDebug> #include <Qtcore> #include <QObject> #include <QcloseEvent> #include <QMessageBox> #include "playermainwindow.h" #include "ui_playermainwindow.h" #include "network.h" #define KMusicChannelsURL   "http://raw.github.com/iosnews/test/master/baidu.json" #define kMusicPlaylistURL   "http://fm.baidu.com/dev/api/?tn=playlist&special=flash&prepend=&format=json&&id=" #define kMusicurl           "http://music.baidu.com/data/music/fmlink?type=mp3&rate=2&format=json&songIds=" #define kMusicLRCURL        "http://fm.baidu.com/" PlayerMainWindow::PlayerMainWindow(QWidget *parent) :     QMainWindow(parent),     ui(new Ui::PlayerMainWindow) {     ui->setupUi(this);     this->osdLyricsWidget = new OSDLyricsWidget();     this->osdLyricsWidget->show();     this->localMediaPlayList = new QMediaPlaylist(this);     this->onlineMediaPlayList = new QMediaPlaylist(this);     this->onlineMediaList = new QList<KMediaInfo>();     this->mediaPlayer = new QMediaPlayer(this);     this->mediaPlayer->setPlaylist(this->localMediaPlayList);     this->mediaPlayer->setVolume(50);     this->progressTimer = new QTimer(this);     this->progressTimer->setInterval(100);     this->network = new Network(this);     network->fetchChannels(KMusicChannelsURL);     this->setupConnections();     this->dbOK = db.initDataBase(); }