XiYuJing|文章:QT实现多媒体播放器

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QT实现多媒体播放器

发布时间：2024年12月12日 作者：靖华来源：XiYuJing

项目代码

#QT实现多媒体播放器
![](http://www.xiyujing.com/media/article_img/QQ20241212-204832.png)
###软件下载链接
[MyMusic_protected.exe](http://www.xiyujing.com/static/软件/MyMusic_protected.exe "MyMusic_protected.exe")
如果需要播放MP4需要安装K-Lite_Codec_Pack_1870_Standard软件对视频进行解码
[K-Lite_Codec_Pack_1870_Standard.exe](http://www.xiyujing.com/static/软件/K-Lite_Codec_Pack_1870_Standard.exe "K-Lite_Codec_Pack_1870_Standard.exe")

###相关代码
####MyMusic.pro
```cpp
QT       += core gui multimedia multimediawidgets

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

CONFIG += c++11

# You can make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += \
    main.cpp \
    mainwindow.cpp

HEADERS += \
    mainwindow.h

FORMS += \
    mainwindow.ui

TRANSLATIONS += \
    MyMusic_zh_CN.ts
CONFIG += lrelease
CONFIG += embed_translations

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
```
####mainwindow.h
```cpp
#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include<QMainWindow>
#include<QMediaPlaylist>//多媒体播放列表
#include<QMediaPlayer>//多媒体播放控件
#include<QMap>
#include<QFileDialog>//用于提供文件和目录选择的对话框，方便用户在应用程序中选择文件或目录
#include<QDebug>//用于调试输出
#include<QPixmap>//用于处理图像数据
#include<QDir>//用于操作文件系统的目录和文件
#include<QTime>//时间转换
#include<QListWidget>//列表窗口
#include<QListWidgetItem>//列表窗口项
#include<QVideoWidget>//视频播放窗口
#include<QFont>
//⏸⏭⏮⏹️❌
#define B2_ON ui->pushButton_2->setEnabled(true)
#define B3_ON ui->pushButton_3->setText("⏭"),ui->pushButton_3->setEnabled(true)
#define B4_ON ui->pushButton_4->setText("⏮"),ui->pushButton_4->setEnabled(true)

#define B2_OFF ui->pushButton_2->setText("⏹️"),ui->pushButton_2->setEnabled(false)
#define B3_OFF ui->pushButton_3->setText("❌"),ui->pushButton_3->setEnabled(false)
#define B4_OFF ui->pushButton_4->setText("❌"),ui->pushButton_4->setEnabled(false)
QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
    //初始化
    void __Init__();
    //获取总时间和进度
    void get_time();
    //调整时间显示
    void get_now_time();
    //获取文件名
    void get_filename();
    //创建播放和窗口对象
    void create_play();
    //解析歌词
    void analysis_Lrcfile(int id);
    //歌词分析显示
    void lrc_analysis();

private:
    Ui::MainWindow *ui;

private slots:
 //选择文件夹按钮
 void on_pushButton_clicked();
 //开始/暂停按钮
 void on_pushButton_2_clicked();
 //点击进度条
 void on_horizontalSlider_sliderPressed();
 //松开进度条
 void on_horizontalSlider_sliderReleased();
 //下一首按钮
 void on_pushButton_3_clicked();
 //上一首按钮
 void on_pushButton_4_clicked();
 //点击列表
 void on_listWidget_itemClicked(QListWidgetItem *item);
 //调节音量
 void on_verticalSlider_valueChanged(int value);
 //音量按钮
 void on_pushButton_5_clicked();
private:
 //MP4播放窗口
 QVideoWidget *videoWidget;
 //播放列表
 QMediaPlaylist *playlist=NULL;
 //播放控件
 QMediaPlayer *player=NULL;
 //选择的文件夹路径
 QString mFolderPath;
 //文件夹内文件名
 QStringList Names;
 //歌词文件名
 QStringList lrcNames;
 //时间->歌词
 QMap<qint64,QString> lrcmap;

};
#endif // MAINWINDOW_H
```
####main.cpp
```cpp
#include "mainwindow.h"

#include <QApplication>
#include <QLocale>
#include <QTranslator>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QTranslator translator;
    const QStringList uiLanguages = QLocale::system().uiLanguages();
    for (const QString &locale : uiLanguages) {
        const QString baseName = "MyMusic_" + QLocale(locale).name();
        if (translator.load(":/i18n/" + baseName)) {
            a.installTranslator(&translator);
            break;
        }
    }

MainWindow w;
    w.setStyleSheet("QMainWindow {background-image: url(./yuan.png);}");
    w.setWindowTitle("多媒体播放器");
    w.setWindowIcon(QIcon("./slogan.png"));
    w.show();
    return a.exec();
}
```
####mainwindow.cpp
```cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    //未选择播放文件夹前失效按钮
    B2_OFF;
    B3_OFF;
    B4_OFF;
    ui->horizontalSlider->setEnabled(false);
    ui->verticalSlider->setEnabled(false);
    //设置背景透明
    ui->pushButton->setFlat(true);
    ui->pushButton_2->setFlat(true);
    ui->pushButton_3->setFlat(true);
    ui->pushButton_4->setFlat(true);
    ui->pushButton_5->setFlat(true);
    ui->listWidget->setStyleSheet("background-color: transparent;");
    //设置字体样式
    QFont FONT11("许你一世清欢",11);
    QFont FONT16("许你一世清欢",16);
    ui->label_5->setFont(FONT16);
    ui->label_6->setFont(FONT11);
    ui->label_7->setFont(FONT11);
    ui->label_5->setWordWrap(true);
    ui->label_6->setWordWrap(true);
    ui->label_7->setWordWrap(true);
    ui->label->setStyleSheet("color:floralwhite;");
    ui->label_2->setStyleSheet("color:floralwhite;");
    ui->label_3->setStyleSheet("color:floralwhite;");
    ui->label_4->setStyleSheet("color:floralwhite;");
    ui->label_5->setStyleSheet("color:cyan;");
    ui->label_6->setStyleSheet("color:floralwhite;");
    ui->label_7->setStyleSheet("color:floralwhite;");
}
MainWindow::~MainWindow()
{
    delete ui;
}

//初始化
void MainWindow::__Init__()
{
    //初始化
    if(player!=NULL)
    {
        disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::get_now_time);
        disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::lrc_analysis);
        disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::get_now_time);
        delete player;
        delete videoWidget;
        ui->label_5->setText("");
        ui->label_6->setText("");
        player=NULL;
        videoWidget=NULL;
    }
    //重新选择时清空之前存储的数据
    if(ui->listWidget->count()!=0)ui->listWidget->clear();
    Names.clear();
    lrcNames.clear();
    lrcmap.clear();
    ui->verticalSlider->setSliderPosition(100);
    if(playlist!=NULL)playlist->clear();
}

//获取总时间和进度
void MainWindow::get_time()
{
 //当播放总时长发生改变调用槽函数
 connect(player,&QMediaPlayer::durationChanged,this,[=](){//获取总时间
 //如果最后一首播完则暂停
 if(playlist->currentIndex()==-1)
 {
 player->stop();
 ui->horizontalSlider->setEnabled(false);
 B2_OFF;
 B3_OFF;
 ui->label_2->setText("00:00");
 ui->label_5->setText("");
 ui->label_6->setText("");
 //播放列表样式还原
 QListWidgetItem * item = nullptr;
 item = ui->listWidget->item(Names.size()-1);
 item->setSelected(false);
 item->setForeground(QBrush("floralwhite"));
 }
 else
 {
 //播放列表样式还原
 QListWidgetItem * item = nullptr;
 if(playlist->currentIndex()!=0)
 {
 item = ui->listWidget->item(playlist->currentIndex()-1);
 item->setSelected(false);
 item->setForeground(QBrush("floralwhite"));
 }
 //如果自动切换下一首，如果有上一首歌则使能上一首按钮
 if(playlist->previousIndex()!=-1)B4_ON;
 else B4_OFF;
 //区别mp3/mp4
 if(Names[playlist->currentIndex()].endsWith("mp4"))videoWidget->show();
 else
 {
 //隐藏视频窗口
 videoWidget->hide();
 disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::lrc_analysis);
 analysis_Lrcfile(playlist->currentIndex());
 }
 //在列表中标记当前播放歌曲
 item = ui->listWidget->item(playlist->currentIndex());
 item->setSelected(true);
 item->setForeground(QBrush("cyan"));
 //如果自动切换下一首，如果没下首则失效下一首按钮
 if(playlist->nextIndex()==-1)B3_OFF;
 else B3_ON;
 QTime time;//创建一个时间
 time.setHMS(0,0,0,0);//初始化为0
 time=time.addMSecs(player->duration());//获取播放的总时间,添加毫秒数
 ui->label_2->setText(time.toString("mm:ss"));//显示总时间
 }
 });
 connect(player,&QMediaPlayer::positionChanged,this,[=]()//获取播放时间
 {
 QTime time1;
 time1.setHMS(0,0,0,0);//初始化为0
 time1=time1.addMSecs(player->position());//添加毫秒数
 ui->label->setText(time1.toString("mm:ss"));//显示总时间
// qDebug()<<player->position()*1.0/player->duration()*1.0;
 });
}

//调整时间显示
void MainWindow::get_now_time()
{
    ui->horizontalSlider->setValue((player->position()*1.0/player->duration()*1.0)*100);
    ui->horizontalSlider->setSliderPosition((player->position()*1.0/player->duration()*1.0)*100);
}

//获取文件名
void MainWindow::get_filename()
{
 QDir dir(mFolderPath);
 //将文件分隔符转换为当前操作系统分隔符
 mFolderPath = dir.fromNativeSeparators(mFolderPath);
 //如果文件夹不存在设置为空链表
 if(!dir.exists())Names=QStringList("");
 //设置 QDir 的过滤器，只显示文件。
 dir.setFilter(QDir::Files);
 //设置文件名过滤器，只显示 .mp3和.mp4 格式的文件。
 dir.setNameFilters(QString("*.mp3;*.mp4").split(";"));
 //获取符合过滤条件的文件列表，并将其存储在 mImgNames 中。
 Names = dir.entryList();
 if(Names.isEmpty())return ;
 //把歌曲名添加只显示列表
 for(int i=0;i<Names.size();i++)
 {
 //设置播放列表内项的样式
 QListWidgetItem *item = new QListWidgetItem(Names[i]);
 QFont FONT("许你一世清欢",11);
 item->setFont(FONT);
 item->setForeground(QBrush("floralwhite"));
 ui->listWidget->addItem(item);
 }
 // ui->listWidget->addItems( Names );
 //创建QMediaPlaylist对象
 playlist = new QMediaPlaylist;
 //拼接路径加入列表
 QString name;
 for(int i=0;i<Names.size();i++)
 {
 Names[i]=mFolderPath+"/"+Names[i];
 name=Names[i];
 playlist->addMedia(QUrl::fromLocalFile(Names[i]));
 lrcNames.append(Names[i].replace(Names[i].size()-3,3,"lrc"));
 Names[i]=name;
// qDebug()<<Names[i];
 }
}

//创建对象
void MainWindow::create_play()
{
    //创建QMediaPlayer对象
    player = new QMediaPlayer;
    //将设置播放列表
    player->setPlaylist(playlist);
    //创建video窗口并绑定到ui
    videoWidget = new QVideoWidget(this);
    videoWidget->setFixedSize(471,321); //设置video窗体大小
    videoWidget->setWindowFlag(Qt::CustomizeWindowHint);//标题栏和边框隐藏
    //设置视频输出窗口
    player->setVideoOutput(videoWidget);
    //显示视频窗口
//    videoWidget->hide();
//    videoWidget->show();

}

//选择文件夹按钮
void MainWindow::on_pushButton_clicked()
{
    __Init__();
    //选择文件夹
    mFolderPath = QFileDialog::getExistingDirectory(NULL,"选择音乐播放目录",".");
    //没选择直接返回
    if(mFolderPath.isEmpty())return ;
    //获取文件名
    get_filename();
    if(Names.isEmpty())return ;
    //创建对象
    create_play();
    //获取总时间和进度
    get_time();
    //使能开始/暂停，进度条
    ui->horizontalSlider->setEnabled(true);
    ui->verticalSlider->setEnabled(true);
    B2_ON;
    //如果有下一首使能下一首按钮
    if(playlist->nextIndex()!=-1)B3_ON;
    //如果有上一首使能上一首按钮
    if(playlist->previousIndex()!=-1)B4_ON;
    //标记当前播放歌曲
    QListWidgetItem * item =  ui->listWidget->item(playlist->currentIndex());
    item->setSelected(true);
    item->setForeground(QBrush("cyan"));
    //区分mp3/mp4
    if(Names[playlist->currentIndex()].endsWith("mp4"))videoWidget->show();
    else
    {
        //隐藏视频窗口
        videoWidget->hide();
        disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::lrc_analysis);
        analysis_Lrcfile(playlist->currentIndex());
    }
    connect(player,&QMediaPlayer::positionChanged,this,&MainWindow::get_now_time);
}

//解析歌词
void MainWindow::analysis_Lrcfile(int id)
{
    lrcmap.clear();
    QFile file(lrcNames[id]);
    //如果打开失败说明没歌词
    if(!file.open(QIODevice::ReadOnly | QIODevice::Text))
    {
        ui->label_5->setText("暂无歌词");
        ui->label_6->setText("");
        return ;
    }
    QTextStream in(&file);
    //设置字符编码为utf-8
    in.setCodec("utf-8");
    QString line;
    while (!in.atEnd())
    {
        line = in.readLine();
        //正则匹配
        QRegExp timeRegExp("\\[(\\d+):(\\d+\\.\\d+)\\]");
        if (timeRegExp.indexIn(line) != -1)
        {
            qint64 totalTime = timeRegExp.cap(1).toInt() * 60000 + // 分钟
                    timeRegExp.cap(2).toFloat() * 1000; // 秒

QString lrcText = line.mid(timeRegExp.matchedLength());
// qDebug()<<totalTime<<lrcText;
 lrcmap[totalTime]=lrcText;
 }
 }
 //关闭歌词文件
 file.close();
 //显示初始歌词
 QMap<qint64,QString>::Iterator it = lrcmap.begin();
 ui->label_5->setText(it.value());
 it++;
 ui->label_6->setText(it.value());
 //开启根据播放进度更新歌词
 connect(player,&QMediaPlayer::positionChanged,this,&MainWindow::lrc_analysis);
}

//歌词分析显示
void MainWindow::lrc_analysis()
{
 qint64 l = player->position();//添加毫秒数
 //当前歌词和上一个歌词
 QString s,pre;
 for(auto i=lrcmap.begin();i!=lrcmap.end();)
 {
 if(i.key()>l)
 {
 ui->label_6->setText(i.value());
 break;
 }
 pre=s;
 s=i.value();
// qDebug()<<s.size();
 i++;
 if(i==lrcmap.end())ui->label_6->setText(" ");
 }
 ui->label_5->setText(s);
 ui->label_7->setText(pre);
}

//开始/暂停按钮
void MainWindow::on_pushButton_2_clicked()
{
 //⏸⏭⏮⏹️❌
 //获取当前播放状态并取反运行
 if(player->state()== QMediaPlayer::PausedState||player->state()== QMediaPlayer::StoppedState)
 {
 ui->pushButton_2->setText("⏸");
 player->play();
 qDebug()<< "开始播放";
 }
 else if(player->state()== QMediaPlayer::PlayingState)
 {
 ui->pushButton_2->setText("⏹️");
 player->pause();
 qDebug()<< "暂停播放";
 }
}

//点击进度条
void MainWindow::on_horizontalSlider_sliderPressed()
{
    disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::get_now_time);
}

//松开进度条
void MainWindow::on_horizontalSlider_sliderReleased()
{
    //计算松开进度条时进度并反馈到播放控件
    double t = ui->horizontalSlider->value()*1.0/99;
    player->setPosition(player->duration()*t);
    connect(player,&QMediaPlayer::positionChanged,this,&MainWindow::get_now_time);
}

//下一首按钮
void MainWindow::on_pushButton_3_clicked()
{
 ui->horizontalSlider->setEnabled(true);
 B2_ON;
 //切换下一首
 QListWidgetItem * item = ui->listWidget->item(playlist->currentIndex());
 item->setSelected(false);
 item->setForeground(QBrush("floralwhite"));
 playlist->next();
 //区分mp3/mp4
 if(Names[playlist->currentIndex()].endsWith("mp4"))videoWidget->show();
 else
 {
 videoWidget->hide();
 disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::lrc_analysis);
 analysis_Lrcfile(playlist->currentIndex());
 }
// qDebug()<<playlist->nextIndex();
 //使能上首歌按钮
 B4_ON;
 //标记当前歌曲
 item = ui->listWidget->item(playlist->currentIndex());
 item->setSelected(true);
 item->setForeground(QBrush("cyan"));
 //如果后面没歌了，失效下一首按钮
 if(playlist->nextIndex()==-1)B3_OFF;
}

//上一首按钮
void MainWindow::on_pushButton_4_clicked()
{
 ui->horizontalSlider->setEnabled(true);
 B2_ON;
 //切换上首歌
 QListWidgetItem * item = nullptr;
 if(playlist->currentIndex()!=-1)
 {
 item = ui->listWidget->item(playlist->currentIndex());
 item->setSelected(false);
 item->setForeground(QBrush("floralwhite"));
 }
 playlist->previous();
 //区分mp3/mp4
 if(Names[playlist->currentIndex()].endsWith("mp4"))videoWidget->show();
 else
 {
 videoWidget->hide();
 disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::lrc_analysis);
 analysis_Lrcfile(playlist->currentIndex());
 }
// qDebug()<<playlist->previousIndex();
 //标记当前歌曲
 item = ui->listWidget->item(playlist->currentIndex());
 item->setSelected(true);
 item->setForeground(QBrush("cyan"));
 //使能下首歌按钮
 B3_ON;
 //如果上面没歌了，失效上一首按钮
 if(playlist->previousIndex()==-1)B4_OFF;
}

//点击列表
void MainWindow::on_listWidget_itemClicked(QListWidgetItem *item)
{
    //获取用户点击的歌名存储下标
    int index=ui->listWidget->row(item);
    B2_ON;
    ui->listWidget->item(playlist->currentIndex())->setForeground(QBrush("floralwhite"));
    //通过下标选择，播放用户点击的歌曲
    playlist->setCurrentIndex(index);
    if(Names[playlist->currentIndex()].endsWith("mp4"))videoWidget->show();
    else
    {
        videoWidget->hide();
        disconnect(player,&QMediaPlayer::positionChanged,this,&MainWindow::lrc_analysis);
        analysis_Lrcfile(playlist->currentIndex());
    }
    //如果后面没歌了，失效下一首按钮，否则使能
    if(playlist->nextIndex()==-1)B3_OFF;
    else B3_ON;
    //如果上面没歌了，失效上一首按钮，否则使能
    if(playlist->previousIndex()==-1)B4_OFF;
    else B4_ON;
}

//调节音量
void MainWindow::on_verticalSlider_valueChanged(int value)
{
    //🔇🔈︎🔉🔊
    ui->label_4->setText(QString::number(value));
    player->setVolume(value);
    if(value>=70)ui->pushButton_5->setText("🔊");
    else if(value>=30)ui->pushButton_5->setText("🔉");
    else if(value>=0)ui->pushButton_5->setText("🔈︎");
}

//音量按钮
void MainWindow::on_pushButton_5_clicked()
{
    if(ui->stackedWidget->currentIndex()==0)ui->stackedWidget->setCurrentIndex(1);
    else ui->stackedWidget->setCurrentIndex(0);
}

```
####mainwindow.ui
```cpp
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
 <property name="geometry">
 <rect>
 <x>0</x>
 <y>0</y>
 <width>800</width>
 <height>480</height>
 </rect>
 </property>
 <property name="maximumSize">
 <size>
 <width>800</width>
 <height>480</height>
 </size>
 </property>
 <property name="windowTitle">
 <string>MainWindow</string>
 </property>
 <widget class="QWidget" name="centralWidget">
 <widget class="QPushButton" name="pushButton">
 <property name="geometry">
 <rect>
 <x>500</x>
 <y>380</y>
 <width>71</width>
 <height>71</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>28</pointsize>
 
 </property>
 <property name="text">
 <string>📁</string>
 </property>
 </widget>
 <widget class="QListWidget" name="listWidget">
 <property name="enabled">
 <bool>true</bool>
 </property>
 <property name="geometry">
 <rect>
 <x>500</x>
 <y>10</y>
 <width>281</width>
 <height>371</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>10</pointsize>
 
 </property>
 <property name="focusPolicy">
 <enum>Qt::StrongFocus</enum>
 </property>
 <property name="contextMenuPolicy">
 <enum>Qt::DefaultContextMenu</enum>
 </property>
 <property name="frameShape">
 <enum>QFrame::Box</enum>
 </property>
 <property name="frameShadow">
 <enum>QFrame::Raised</enum>
 </property>
 <property name="lineWidth">
 <number>1</number>
 </property>
 <property name="verticalScrollBarPolicy">
 <enum>Qt::ScrollBarAsNeeded</enum>
 </property>
 <property name="horizontalScrollBarPolicy">
 <enum>Qt::ScrollBarAlwaysOff</enum>
 </property>
 <property name="sizeAdjustPolicy">
 <enum>QAbstractScrollArea::AdjustIgnored</enum>
 </property>
 <property name="movement">
 <enum>QListView::Static</enum>
 </property>
 <property name="flow">
 <enum>QListView::TopToBottom</enum>
 </property>
 </widget>
 <widget class="QPushButton" name="pushButton_2">
 <property name="geometry">
 <rect>
 <x>150</x>
 <y>370</y>
 <width>70</width>
 <height>81</height>
 </rect>
 </property>
 <property name="sizePolicy">
 <sizepolicy hsizetype="Minimum" vsizetype="Expanding">
 <horstretch>0</horstretch>
 <verstretch>0</verstretch>
 </sizepolicy>
 </property>
 <property name="font">
 
 <pointsize>28</pointsize>
 
 </property>
 <property name="cursor">
 <cursorShape>PointingHandCursor</cursorShape>
 </property>
 <property name="mouseTracking">
 <bool>false</bool>
 </property>
 <property name="layoutDirection">
 <enum>Qt::LeftToRight</enum>
 </property>
 <property name="text">
 <string>⏹️</string>
 </property>
 <property name="iconSize">
 <size>
 <width>12</width>
 <height>11</height>
 </size>
 </property>
 <property name="autoDefault">
 <bool>false</bool>
 </property>
 <property name="default">
 <bool>false</bool>
 </property>
 </widget>
 <widget class="QLabel" name="label">
 <property name="geometry">
 <rect>
 <x>30</x>
 <y>330</y>
 <width>61</width>
 <height>31</height>
 </rect>
 </property>
 <property name="frameShape">
 <enum>QFrame::NoFrame</enum>
 </property>
 <property name="text">
 <string>00:00</string>
 </property>
 </widget>
 <widget class="QLabel" name="label_2">
 <property name="geometry">
 <rect>
 <x>100</x>
 <y>330</y>
 <width>61</width>
 <height>31</height>
 </rect>
 </property>
 <property name="frameShape">
 <enum>QFrame::NoFrame</enum>
 </property>
 <property name="text">
 <string>00:00</string>
 </property>
 </widget>
 <widget class="QLabel" name="label_3">
 <property name="enabled">
 <bool>true</bool>
 </property>
 <property name="geometry">
 <rect>
 <x>80</x>
 <y>330</y>
 <width>31</width>
 <height>31</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>16</pointsize>
 
 </property>
 <property name="text">
 <string>/</string>
 </property>
 </widget>
 <widget class="QSlider" name="horizontalSlider">
 <property name="enabled">
 <bool>true</bool>
 </property>
 <property name="geometry">
 <rect>
 <x>160</x>
 <y>325</y>
 <width>291</width>
 <height>41</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>6</pointsize>
 
 </property>
 <property name="mouseTracking">
 <bool>false</bool>
 </property>
 <property name="tabletTracking">
 <bool>false</bool>
 </property>
 <property name="acceptDrops">
 <bool>false</bool>
 </property>
 <property name="minimum">
 <number>0</number>
 </property>
 <property name="singleStep">
 <number>0</number>
 </property>
 <property name="pageStep">
 <number>0</number>
 </property>
 <property name="value">
 <number>0</number>
 </property>
 <property name="sliderPosition">
 <number>0</number>
 </property>
 <property name="tracking">
 <bool>true</bool>
 </property>
 <property name="orientation">
 <enum>Qt::Horizontal</enum>
 </property>
 <property name="invertedAppearance">
 <bool>false</bool>
 </property>
 <property name="invertedControls">
 <bool>false</bool>
 </property>
 <property name="tickPosition">
 <enum>QSlider::NoTicks</enum>
 </property>
 </widget>
 <widget class="QPushButton" name="pushButton_3">
 <property name="geometry">
 <rect>
 <x>270</x>
 <y>370</y>
 <width>70</width>
 <height>81</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>28</pointsize>
 
 </property>
 <property name="text">
 <string>下一首</string>
 </property>
 </widget>
 <widget class="QPushButton" name="pushButton_4">
 <property name="geometry">
 <rect>
 <x>30</x>
 <y>370</y>
 <width>70</width>
 <height>81</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>28</pointsize>
 
 </property>
 <property name="text">
 <string>上一首</string>
 </property>
 </widget>
 <widget class="QStackedWidget" name="stackedWidget">
 <property name="geometry">
 <rect>
 <x>390</x>
 <y>350</y>
 <width>51</width>
 <height>61</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>6</pointsize>
 
 </property>
 <property name="currentIndex">
 <number>0</number>
 </property>
 <widget class="QWidget" name="page"/>
 <widget class="QWidget" name="page_2">
 <widget class="QSlider" name="verticalSlider">
 <property name="geometry">
 <rect>
 <x>20</x>
 <y>10</y>
 <width>16</width>
 <height>51</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>48</pointsize>
 
 </property>
 <property name="maximum">
 <number>100</number>
 </property>
 <property name="value">
 <number>100</number>
 </property>
 <property name="orientation">
 <enum>Qt::Vertical</enum>
 </property>
 </widget>
 <widget class="QLabel" name="label_4">
 <property name="geometry">
 <rect>
 <x>0</x>
 <y>40</y>
 <width>21</width>
 <height>20</height>
 </rect>
 </property>
 <property name="text">
 <string>100</string>
 </property>
 </widget>
 </widget>
 </widget>
 <widget class="QPushButton" name="pushButton_5">
 <property name="geometry">
 <rect>
 <x>400</x>
 <y>410</y>
 <width>41</width>
 <height>41</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>14</pointsize>
 
 </property>
 <property name="text">
 <string>🔊</string>
 </property>
 </widget>
 <widget class="QLabel" name="label_5">
 <property name="geometry">
 <rect>
 <x>30</x>
 <y>110</y>
 <width>421</width>
 <height>81</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>16</pointsize>
 
 </property>
 <property name="frameShape">
 <enum>QFrame::NoFrame</enum>
 </property>
 <property name="text">
 <string/>
 </property>
 <property name="alignment">
 <set>Qt::AlignCenter</set>
 </property>
 </widget>
 <widget class="QLabel" name="label_6">
 <property name="geometry">
 <rect>
 <x>30</x>
 <y>190</y>
 <width>421</width>
 <height>51</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>11</pointsize>
 
 </property>
 <property name="frameShape">
 <enum>QFrame::NoFrame</enum>
 </property>
 <property name="text">
 <string/>
 </property>
 <property name="alignment">
 <set>Qt::AlignCenter</set>
 </property>
 </widget>
 <widget class="QLabel" name="label_7">
 <property name="geometry">
 <rect>
 <x>30</x>
 <y>60</y>
 <width>421</width>
 <height>51</height>
 </rect>
 </property>
 <property name="font">
 
 <pointsize>11</pointsize>
 
 </property>
 <property name="frameShape">
 <enum>QFrame::NoFrame</enum>
 </property>
 <property name="text">
 <string/>
 </property>
 <property name="alignment">
 <set>Qt::AlignCenter</set>
 </property>
 </widget>
 </widget>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>
```

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