教你轻松制作java音乐播放器

public class MyMusicPlayer implements ActionListener, ControllerListener,Runnable{ JFrame j=new JFrame("音乐播放器"); JLabel TablePlaer=new JLabel("播放列表"); JButton BAdd=new JButton("添加歌曲"); JButton BDelect=new JButton("删除歌曲"); JButton BDelectTable=new JButton("清空列表"); JButton BMoveNext=new JButton("下一曲"); JButton BMovePrevious=new JButton("上一曲"); JButton BPlayer=new JButton("暂停"); JButton BStop=new JButton("停止"); JButton BSet=new JButton("显示歌词"); JButton BEnd=new JButton("停止"); String[] s={"顺序播放","单曲循环","随机播放"};        //下拉列表选项数组 JComboBox select=new JComboBox(s);          //创建下拉选项 JPanel p1=new JPanel();           //播放列表区域 JPanel p=new JPanel();  JPanel p2=new JPanel();           //按钮区域 JPanel p3=new JPanel();  JLabel l=new JLabel();  JPanel p5=new JPanel(); //放置播放列表 JPanel p6=new JPanel(); //放置播放歌曲的名称 static JPanel pp=new JPanel(); static JLabel lb; public static JTextArea jt=new JTextArea(); static int index;  //播放列表的下标 int count; int flag;   //标记是随机播放还是顺序播放 int countSecond; //获取音乐的总时间值 static int newtime = 0; int ischanging = 0; //当鼠标是对游标进行点击，进度值也会改变 int ispressing = 0; //判断鼠标是否对游标进行点击 File MusicName = null; static java.util.List<File> MusicNames = null;  //运用泛型，创建File对象 File currentDirectory = null; List list;// 文件列表 FileDialog open; // 定义文件对话框对象 Random rand = new Random(); String filename; //进度条 JButton timeInformation = new JButton(); JSlider timeSlider = new JSlider(SwingConstants.HORIZONTAL, 0, 100, 0); //(SwingConstants.HORIZONTAL)用于定向进度条为水平方向的常量的集合                     //( 0, 100, 0)用指定的最小值、最大值和初始值创建一个水平滑块。 // 播放 Player player = null;  MusicFileChooser fileChooser = new MusicFileChooser(); static JTextPane tp=new JTextPane();  //显示歌词区域 static JTextArea are=new JTextArea(); //显示图片区域 public MyMusicPlayer(){  j.setSize(1200, 700);  j.setLayout(null);  j.getContentPane().setBackground(Color.BLACK);  j.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  p.setBounds(2, 563, 1180, 95);  p.setLayout(new BorderLayout());  p1.setBounds(2, 3, 298, 30);     p1.setBackground(new Color(255,255,255));  p2.setLayout(new GridLayout(2,3,20,20));  p2.setBackground(Color.LIGHT_GRAY);  p3.setLayout(new GridLayout(2,0,200,10));  p3.setBackground(new Color(255,255,255));  p5.setBounds(2, 35, 298, 526);  p5.setLayout(null);  p5.setBackground(new Color(255,255,255));  p6.setBounds(301, 3,880, 30);  p6.setLayout(null);  p6.setBackground(new Color(255,255,255));  l.setBounds(250, 4, 600, 30);  //设置显示播放的歌曲  p6.add(l);  /*实现图片插入   * */  ImageIcon ic=new ImageIcon("image//2.3.jpg");  ic=new ImageIcon(ic.getImage().getScaledInstance(880, 477, 2)); //获取图片以及设置图片大小  lb=new JLabel(ic);  lb.setOpaque(false);     pp.setOpaque(false);  //设置为透明  pp.setBounds(241, 80,990, 500);  are.setBounds(241, 56,990, 520);  are.setOpaque(false);  tp.setBackground(new Color(255,255,255));  tp.setBounds(301, 35,880, 49);  pp.add(are);  pp.add(lb);  // 文件列表  list = new List(10);  list.setBounds(100, 55, 187, 495); //列表区域  list.addActionListener(this);  j.add(list);  j.add(jt);  j.add(tp);  BAdd.setBounds(5,20, 90,30);  BAdd.setBackground(new Color(255,255,255));  BDelect.setBounds(5, 80, 90, 30);  BDelect.setBackground(new Color(255,255,255));  BDelectTable.setBounds(5, 140, 90, 30);  BDelectTable.setBackground(new Color(255,255,255));  TablePlaer.setBounds(30, 100, 200, 50);  TablePlaer.setFont(new Font("宋体",1, 20));  p1.add(TablePlaer);  BMovePrevious.setBackground(new Color(255,255,255));  BPlayer.setBackground(new Color(255,255,255));  BMoveNext.setBackground(new Color(255,255,255));  BStop.setBackground(new Color(255,255,255));  select.setBackground(new Color(255,255,255));  BSet.setBackground(new Color(255,255,255));  p2.add(BMovePrevious);  p2.add(BPlayer);  p2.add(BMoveNext);  p2.add(BStop);  p2.add(select);  p2.add(BSet);  p2.setBackground(new Color(255,255,255));  p.add(p2,BorderLayout.WEST);  p.add(p3,BorderLayout.CENTER);  p5.add(p);  p5.add(BAdd);  p5.add(BDelect);  p5.add(BDelectTable);  BAdd.addActionListener(this);  BDelect.addActionListener(this);  BDelectTable.addActionListener(this);  BMoveNext.addActionListener(this);  BPlayer.addActionListener(this);  BMovePrevious.addActionListener(this);  BStop.addActionListener(this);  select.addActionListener(this);  BSet.addActionListener(this);  timeInformation.setEnabled(false);   /*   * 实现进度条   * */    timeSlider.setMajorTickSpacing(1);//调用此方法设置主刻度标记的间隔。传入的数字表示在每个主刻度标记之间以值衡量的距离。   timeSlider.setPaintTicks(true); //要绘制主刻度，setPaintTicks 必须设置为 true   timeSlider.addChangeListener(new ChangeListener() { //创建一个新的 ChangeListener 添加到滑块。    public void stateChanged(ChangeEvent arg0) {     if (player != null && ispressing == 1) {      newtime = (int)((JSlider)arg0.getSource()).getValue();      timeInformation.setText("当前时间:"+newtime/60+":"+newtime%60+"  ||  "+" 总时间: "+countSecond/60+":"+countSecond%60);      ischanging = 1;     }    }   });   timeSlider.addMouseListener(new MouseAdapter(){    public void mousePressed(MouseEvent arg0) {     ispressing = 1;   //当鼠标对游标进行点击时    }    public void mouseReleased(MouseEvent arg0) {     ispressing = 0;   //当鼠标不对游标进行点击时    }   });   timeInformation.setText("当前时间：00:00  ||  总时间：00:00");   timeInformation.setBackground(new Color(255,255,255));   p3.add(timeInformation,BorderLayout.NORTH);   p3.add(timeSlider,BorderLayout.SOUTH);   j.add(pp);   j.add(p5);   j.add(p);   j.add(p1);   j.add(p6);   j.setVisible(true);//  j.setResizable(false); } /*  * 主函数  * */ public static void main(String[] args) throws IOException, InterruptedException { //InterruptedException:当线程在活动之前或活动期间处于正在等待、休眠或占用状态且该线程被中断时，抛出该异常  MyMusicPlayer play=new MyMusicPlayer();  Thread timeRun = new Thread(play);  timeRun.start();  } @Override public void actionPerformed(ActionEvent e) {  String cmd = e.getActionCommand();     //通过获取字符串来判断是播放还是暂停，  String box=(String)select.getSelectedItem();   //判断播放的顺序  if(e.getSource()==BAdd)  {   if (player == null) {    if (fileChooser.showOpenDialog(j) == MusicFileChooser.APPROVE_OPTION) {     this.MusicName = fileChooser.getSelectedFile();     File cd = fileChooser.getCurrentDirectory(); //获取当前路径     if (cd != this.currentDirectory|| this.currentDirectory == null) {      FileFilter[] fileFilters = fileChooser.getChoosableFileFilters(); //FileFilter 是一个抽象类，JFileChooser 使用它过滤显示给用户的文件集合      File files[] = cd.listFiles(); //cd.listFiles()表示返回一个抽象路径名数组，这些路径名表示此抽象路径名表示的目录中的文件。      this.MusicNames = new ArrayList<File>();      for (File file : files) { //每次循环都将数组中的文件对象赋给file这个变量，然后再在循环体中对这个变量进行操作如：             //for(int i=0;i<files.length;i++){ file = files[i];……}       filename = file.getName().toLowerCase();   //获取所有的音乐名称       for (FileFilter filter : fileFilters) {        if (!file.isDirectory() && filter.accept(file)) {         this.MusicNames.add(file);          list.add(filename);         filename=e.getActionCommand();        }       }      }     }     index = MusicNames.indexOf(MusicName); //定义歌曲的下标     count = MusicNames.size();     PlayFile();    }   } else {    player.start();   }  }  if(cmd.equals("暂停")){   BPlayer.setText("播放");   player.stop();     }  if(cmd.equals("播放")){   BPlayer.setText("暂停");   player.start();  }  if(e.getSource()==BStop){   //停止    if (player != null) {     player.stop();     timeInformation.setText("当前时间:00:00  ||  总时间:00:00");     timeSlider.setValue(0);     player.setMediaTime(new Time(0)); //设置时间为零  }    }  if(e.getSource()==BMoveNext){  //下一曲    if (player != null) {     if("顺序播放".equals(box)){      nextMusic();     }     if("随机播放".equals(box)){      int index = (int) rand.nextInt(this.MusicNames.size())+1;       if (this.MusicNames != null && !this.MusicNames.isEmpty()) {         if ( ++index == this.MusicNames.size()) {          index=(int) rand.nextInt(this.MusicNames.size())+1;         }         player.stop();   //若点击上一曲，则将当前的歌曲停止播放，播放上一曲         try {          player=Manager.createRealizedPlayer(MusicNames.get(index).toURI().toURL());          player.prefetch();          player.setMediaTime(new Time(0.0));// 从某个时间段开始播放          player.addControllerListener(this);          l.setText("正在播放："+this.MusicNames.get(index).toString());          list.select(index);          player.start();           flag=1;         } catch (NoPlayerException | CannotRealizeException | IOException e1) {          e1.printStackTrace();         }       }     }    }  }  if(e.getSource()==BMovePrevious){  //上一曲    if (player != null) {     if("顺序播放".equals(box)){      PreviousMusic();     }     if("随机播放".equals(box)){      int index = (int) rand.nextInt(this.MusicNames.size())+1;      if (this.MusicNames != null && !this.MusicNames.isEmpty()) {       if ( index--==(int) rand.nextInt(this.MusicNames.size())+1) {        index = this.MusicNames.size() - 1;       }       player.stop();    //若点击上一曲，则将当前的歌曲停止播放，播放上一曲       try {        player=Manager.createRealizedPlayer(MusicNames.get(index).toURI().toURL());        player.prefetch();        player.setMediaTime(new Time(0.0));// 从某个时间段开始播放        player.addControllerListener(this);        l.setText("正在播放："+this.MusicNames.get(index).toString());        list.select(index);        player.start();         flag=1;       } catch (NoPlayerException | CannotRealizeException | IOException e1) {        e1.printStackTrace();       }      }    }    }  }  if(e.getSource()==BDelect){    //删除歌曲   index =list.getSelectedIndex();   list.remove(index);   MusicNames.remove(this.index);  }  if(e.getSource()==BDelectTable){   //清空列表   list.removeAll();   MusicNames.removeAll(MusicNames);   player.stop();   player = null;  }  //双击列表时实现播放  list.addMouseListener(new MouseAdapter() {   public void mouseClicked(MouseEvent e) {    // 双击时处理    if (e.getClickCount() == 2) {     if(player!=null){      player.stop();     }     // 播放选中的文件     index=list.getSelectedIndex();     PlayFile();    }    }  });} // 因为实现了"ControllerListener"接口，本方法用于处理媒体播放器传来的事件； public void controllerUpdate(ControllerEvent e) {  String box=(String)select.getSelectedItem();   //判断播放的顺序  if (e instanceof EndOfMediaEvent) {   player.setMediaTime(new Time(0));   if ("单曲循环".equals(box)) {    player.start();   }   if("顺序播放".equals(box)){    nextMusic();   }   if("随机播放".equals(box)){     if (this.MusicNames != null && !this.MusicNames.isEmpty()) {       int index = (int) rand.nextInt(this.MusicNames.size())+1;       try {        player=Manager.createRealizedPlayer(MusicNames.get(index).toURI().toURL());        player.prefetch();        player.setMediaTime(new Time(0.0));// 从某个时间段开始播放        player.addControllerListener(this);        l.setText("正在播放："+this.MusicNames.get(index).toString());        list.select(index);        player.start();         flag=1;       } catch (NoPlayerException | CannotRealizeException | IOException e1) {        e1.printStackTrace();       }     }   }  } }  /**  * 获取MP3歌曲名  *   * @MP3文件路径  * @歌曲名  */ public String getMusicName(String str) {  int i;  for (i = str.length() - 1; i > 0; i--) {   if (str.charAt(i) == '//')    break;  }  str = str.substring(i + 1, str.length() - 4);  return str; } /**  * 下一首 实现函数  */ public void nextMusic() { } /**  * 上一首实现函数  */ public void PreviousMusic() { } /**  * 播放MP3文件主函数  */ public void PlayFile() {  try {   player = Manager.createRealizedPlayer(MusicNames.get(index).toURI().toURL());   player.prefetch();   player.setMediaTime(new Time(0.0));// 从某个时间段开始播放   player.addControllerListener(this);   l.setFont(new Font("宋体",0,20));   l.setText("正在播放："+this.MusicNames.get(index).toString()); //显示正在播放的歌曲   list.select(index);   player.start();   Mythread11 tt=new Mythread11();   tt.start();  } catch (Exception e1) { //当选到一首音乐不能播放时，对其进行处理   dealError();   return;  }  this.setFrame();  } public void setFrame() {  countSecond = (int)player.getDuration().getSeconds();  timeSlider.setMaximum(countSecond);  timeSlider.setValue(0);  newtime = 0; }private void dealError() {    // TODO Auto-generated method stub MusicNames.remove(index); if( --count == index )  index = 0; if( count == 0)  player = null; else  PlayFile(); }/** * MP3文件筛选内部类 */class MusicFileChooser extends JFileChooser { }/** * MP3文件筛选辅助内部类 *  */class MyFileFilter extends FileFilter { //FileFilter 是一个抽象类，JFileChooser 使用它过滤显示给用户的文件集合 String[] suffarr; String decription; public MyFileFilter() {  super(); } public MyFileFilter(String[] suffarr, String decription) {  super();  this.suffarr = suffarr;  this.decription = decription; } public boolean accept(File f) {  for (String s : suffarr) {   if (f.getName().toUpperCase().endsWith(s)) {    return true;   }  }  return f.isDirectory(); } public String getDescription() {  return this.decription; }}/** * 读取显示时间进度条 */public void run() { while(true) {  sleep();  if(player != null) {   if(ispressing == 0) {    if(ischanging == 1) {     newtime = timeSlider.getValue();     player.setMediaTime(new Time(((long)newtime)*1000000000));     ischanging = 0;    } else {     newtime = (int)player.getMediaTime().getSeconds();     timeSlider.setValue(newtime);     timeInformation.setText("当前时间："+newtime/60+":"+newtime%60+"  ||  "+" 总时间： "+countSecond/60+":"+countSecond%60);    }   }  } }}//实现歌词的线程class Mythread11 extends Thread {  public void run() {  // TODO Auto-generated method stub  try{   LRC lrc = ReadLRC.readLRC("Traveling Light.lrc");    Lyrics ls = ParseLRC.parseLRC(lrc);    playTest(ls);  }catch(Exception e){  } }}static void playTest(Lyrics ls) throws InterruptedException { tp.setFont(new Font("宋体",1,20)); tp.setForeground(Color.BLUE); StyledDocument doc = tp.getStyledDocument(); SimpleAttributeSet center = new SimpleAttributeSet(); StyleConstants.setAlignment(center, StyleConstants.ALIGN_CENTER);  //将歌词区中显示 doc.setParagraphAttributes(0, doc.getLength(), center, false); tp.setText("艺术家：" + ls.getAr()); tp.setText("专辑：" + ls.getAl()); tp.setText("歌曲：" + ls.getTi()); tp.setText("歌词制作：" + ls.getBy()); for (Lyric l : ls.getLyrics()) {  tp.setText( l.getTxt());  Thread.sleep(l.getTimeSize()); }}}