Qt设计在线音乐播放器支持本地播放（music-player）源代码.zip

#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); ui->search_edit->setPlaceholderText("鼓楼-赵雷"); setFixedSize(1024,610); setButtonImage(ui->search, ":/image/search.png"); //设置按钮图标 setButtonImage(ui->play,":/image/play.png"); setButtonImage(ui->last,":/image/last.png"); setButtonImage(ui->next,":/image/next.png"); setButtonImage(ui->download,":/image/download.png"); setButtonImage(ui->playlist,":/image/playlist.png",25); setButtonImage(ui->all_circle,":/image/all_circle.png"); setButtonImage(ui->valum,":/image/valum.png",25); setButtonImage(ui->setting,":/image/setting.png"); setButtonImage(ui->all_screen,":/image/all_screen.png"); setButtonImage(ui->open,":/image/open.png"); player=new QMediaPlayer; playlist=new QMediaPlaylist; playlist->setPlaybackMode(QMediaPlaylist::Loop); //设置默认播放模式 local_list=new QMediaPlaylist; onlien=new online_play; ui->background->setFixedSize(1024,610); ui->lyrics_area->setFrameShape(QFrame::NoFrame); ui->play_list_area->setFrameShape(QFrame::NoFrame); ui->lyrics->setFrameShape(QFrame::NoFrame); qDebug()<<"QSslSocket="<<QSslSocket::sslLibraryBuildVersionString(); qDebug() << "OpenSSL支持情况:" << QSslSocket::supportsSsl(); http_acc = new QNetworkAccessManager; connect(http_acc,SIGNAL(finished(QNetworkReply*)),this,SLOT(recv(QNetworkReply*))); //收到信息后进行json解析 connect(onlien,SIGNAL(searchFinal(int,int,int,QString,QString,QString,int)),this,SLOT(init_playlist(int,int,int,QString,QString,QString,int))); connect(ui->search_combbox,SIGNAL(currentTextChanged(QString)),ui->search_edit,SLOT(setText(QString))); //设置搜索框内容 connect(ui->search_combbox,SIGNAL(currentIndexChanged(int)),this,SLOT(change_play_id(int))); //从搜索框中获取歌曲 connect(player,SIGNAL(durationChanged(qint64)),this,SLOT(set_toltaltime(qint64))); //设置总播放时长 connect(player,SIGNAL(positionChanged(qint64)),this,SLOT(set_currenttime(qint64))); //设置当前播放时间 connect(ui->horizontalSlider_2,SIGNAL(valueChanged(int)),player,SLOT(setVolume(int))); //调整音量 connect(ui->playrate,SIGNAL(currentTextChanged(QString)),this,SLOT(set_playrate(QString))); //调整播放倍速 } Widget::~Widget() { delete ui; } void Widget::setButtonImage(QPushButton *button, QString image,int size) //设置按钮图标 { button->setText(""); QPixmap pixmap(image); QPixmap fitpixmap = pixmap.scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); button->setIcon(QIcon(fitpixmap)); button->setIconSize(QSize(30, 30)); button->setFlat(true); button->setStyleSheet("border: 0px"); //消除边框 } void Widget::on_search_clicked() //点击搜索按钮 { //发送一个http请求 QString str; str=QString("https://music.cyrilstudio.top/search?keywords=%0").arg(ui->search_edit->text()); // qDebug()<<"结果"<<str; QNetworkRequest request; request.setUrl(QString(str)); http_acc->get(request); } void Widget::on_play_clicked() //点击播放按钮 { if(QMediaPlayer::StoppedState==player->state()||player->state()==QMediaPlayer::PausedState) //如果是停止状态或暂停就播放 { setButtonImage(ui->play,":/image/pause.png"); player->play(); } else if(QMediaPlayer::PlayingState==player->state()) //如果是播放状态就暂停 { setButtonImage(ui->play,":/image/play.png"); player->pause(); } for(int i=0;i<music_all_msg.length();i++) ui->lyrics->append(music_all_msg.at(i)); } void Widget::recv(QNetworkReply* r) // { onlien->recv_ack(r); } void Widget::init_playlist(int number,int musicId,int mvId,QString musicName,QString singerName,QString albumName,int musicDuration) //初始化播放器 { QString url; url=QString("https://music.163.com/song/media/outer/url?id=%0").arg(musicId); int secs =musicDuration/1000; int mins = secs/60; secs = secs%60; QString musictime=QString::asprintf("%d分%d秒",mins,secs); music_msg.push_back("正在播放："+singerName+"-"+musicName); music_all_msg.push_back(" "+musicName+" - "+singerName+" - "+albumName); totalTime = QString::asprintf("%d分%d秒",mins,secs); // 总时长 QString str=singerName+"-"+musicName; ui->search_combbox->addItem(str); playlist->addMedia(QUrl(url)); //添加一音乐到播放列表中 player->setPlaylist(playlist); //将playlist设置为当前播放列表 player->setMedia(playlist); //将列表设置到播放器中 } void Widget::change_play_id(int index) //当点击搜索框中的歌曲时自动播放 { playlist->setCurrentIndex(index); if(QMediaPlayer::StoppedState==player->state()||QMediaPlayer::PausedState==player->state()) { player->play(); } ui->currentmusic->setText(music_msg.at(index)); } void Widget::on_next_clicked() //下一曲 { play_index=playlist->currentIndex(); play_index++; playlist->setCurrentIndex(play_index); ui->currentmusic->setText(music_msg.at(play_index)); } void Widget::on_last_clicked() //上一曲 { play_index=playlist->currentIndex(); play_index--; playlist->setCurrentIndex(play_index); ui->currentmusic->setText(music_msg.at(play_index)); } void Widget::set_toltaltime(qint64 time) { int secs =time/1000; int mins = secs/60; secs = secs%60; ui->totaltime->setText(QString::asprintf("%d分%d秒",mins,secs)); ui->horizontalSlider->setMaximum(time); } void Widget::set_currenttime(qint64 time) { int secs =time/1000; int mins = secs/60; secs = secs%60; ui->currenttime->setText(QString::asprintf("%d分%d秒",mins,secs)); ui->horizontalSlider->setValue(time); //设置进度条 } void Widget::on_valum_clicked() //设置静音 { if(player->isMuted()) { player->setMuted(false); setButtonImage(ui->valum,":/image/valum.png",25); } else { player->setMuted(true); setButtonImage(ui->valum,":/image/mute.png",25); } } void Widget::on_open_clicked() //播放本地音乐 { QStringList path; path=QFileDialog::getOpenFileNames(this,"选择音乐",".","Music (*.mp3)"); for(int i=0;i<path.count();i++) { local_list->addMedia(QUrl::fromLocalFile(path.at(i))); //将本地音乐添加到本地播放列表 locl_music_msg.push_back(path.at(i)); } player->setPlaylist(local_list); player->setMedia(local_list); } void Widget::set_playrate(QString text) { player->setPlaybackRate(text.toDouble()); } void Widget::on_all_circle_clicked() { if(QMediaPlaylist::Loop==playlist->playbackMode()) { playlist->setPlaybackMode(QMediaPlaylist::CurrentItemInLoop); //设置为单曲循环播放 setButtonImage(ui->all_circle,":/image/sigle_circle.png"); } else if(QMediaPlaylist::CurrentItemInLoop==playlist->playbackMode()) { playlist->setPlaybackMode(QMediaPlaylist::Random); //设置为随机播放 setButtonImage(ui->all_circle,":/image/suiji_play.png"); } else if(QMediaPlaylist::Random==playlist->playbackMode()) { playlist->setPlaybackMode(QMediaP