这个是源码结构介绍

这个是界面，有点简陋，见笑了，但是基本上的东西都有了，没办法，没有美工的程序写的界面就是很操蛋

直接上源代码Player.java

package com.service; import java.io.File;import java.io.IOException;import java.util.ArrayList;import java.util.Random; import javax.sound.sampled.*;import javax.swing.JSlider;import javax.swing.JTable;import com.list.MusicList;import com.list.ThreadList;import com.list.ViewList;import com.model.Model;import com.model.Music;import com.view.View; /*"duration"    "author"    "title"    "copyright"    "date"    "comment"*/public class Player extends Thread{        private Player p;    private long time = 0;        Object lock = new Object();//一个空的对象,没什么意义        private boolean paused = false;// 暂停 继续            public boolean isPaused() {        return paused;    }    public void setPaused(boolean paused) {        this.paused = paused;    }         private JSlider jSliderPlayProgress;//播放进度条    private boolean over = false;//开始 结束        //是否自动播放下一曲    private boolean isNext=true;            private Music music;//音乐            AudioInputStream din = null;    SourceDataLine line=null;        private FloatControl volume = null;    private JSlider jSliderVolume;         public JSlider getjSliderVolume() {        return jSliderVolume;    }    public void setjSliderVolume(JSlider jSliderVolume) {        this.jSliderVolume = jSliderVolume;                }    public Player(JSlider jSliderVolume,JSlider jSliderPlayProgress) {        super();        this.jSliderVolume = jSliderVolume;        this.jSliderPlayProgress=jSliderPlayProgress;    }    public Music getMusic() {        return music;    }    public void setMusic(Music music) {        this.music = music;    }           public FloatControl getVolume(){            return volume;        }                    //播放音乐    public  void run(){                AudioInputStream in=null;                try {                        File file = new File(music.getPath());                    //播放不了的歌曲，直接下一首,并且在音乐列表中删除            try {                 in = AudioSystem.getAudioInputStream(file);            } catch (Exception e) {                //删除有点小问题                MusicList.getList().remove(music.getId());                                ViewList.getList().get(0).getJt().setModel(new Model());                                                nextmusic();            }                        AudioFormat baseFormat = in.getFormat();            AudioFormat decodedFormat = new AudioFormat(                    AudioFormat.Encoding.PCM_SIGNED,                    baseFormat.getSampleRate(), 16, baseFormat.getChannels(),                    baseFormat.getChannels() * 2, baseFormat.getSampleRate(),                    false);            if(baseFormat.getEncoding()==AudioFormat.Encoding.PCM_UNSIGNED || baseFormat.getEncoding()==AudioFormat.Encoding.ULAW ||                    baseFormat.getEncoding()==AudioFormat.Encoding.ALAW || baseFormat.getEncoding()==AudioFormat.Encoding.PCM_SIGNED){                         time=(file.length()*8000000)/((int)(decodedFormat.getSampleRate()*baseFormat.getSampleSizeInBits()));                }else{                     int bitrate=0;                     if(baseFormat.properties().get("bitrate")!=null){                         //取得播放速度(单位位每秒)                         bitrate=(int)((Integer)(baseFormat.properties().get("bitrate")));                         if(bitrate!=0)                         time=(file.length()*8000000)/bitrate;                     }                                     }                                    din = AudioSystem.getAudioInputStream(decodedFormat, in);            DataLine.Info info = new DataLine.Info(SourceDataLine.class, decodedFormat);            line = (SourceDataLine) AudioSystem.getLine(info);            line.open();            setVolume();            jSliderPlayProgress.setMaximum((int)time);            jSliderPlayProgress.setValue(0);            if(line!=null){                line.open(decodedFormat);                byte[] data = new byte[4096];                int nBytesRead;                            synchronized (lock) {                while ((nBytesRead = din.read(data, 0, data.length)) != -1) {                    while (paused) {                        if(line.isRunning()) {                            line.stop();                            System.out.println("暂停");                        }                        try {                            lock.wait();                            System.out.println("等待");                        }                        catch(InterruptedException e) {                        }                    }                    if(!line.isRunning()&&!over) {                        System.out.println("开始播放");                        line.start();                                            }                                        if (over&&line.isRunning()) {                        System.out.println("停止播放");                        jSliderPlayProgress.setValue(0);                        isNext=false;                        line.drain();                        line.stop();                        line.close();                    }                                        jSliderPlayProgress.setValue((int)line.getMicrosecondPosition());                    line.write(data, 0, nBytesRead);                }                        //根据播放模式选择下一首歌                nextmusic();            }                    }                }        catch(Exception e) {            e.printStackTrace();        }        finally {            if(din != null) {                try { din.close(); } catch(IOException e) { }            }        }    }        //设置播放器滚动条    public void setVolume()    {        if(line!=null)        {            if(line.isControlSupported(FloatControl.Type.MASTER_GAIN))             {                jSliderVolume.setEnabled(true);                volume= (FloatControl)line.getControl( FloatControl.Type.MASTER_GAIN );                jSliderVolume.setMinimum((int)volume.getMinimum());                jSliderVolume.setMaximum((int)volume.getMaximum());                //jSliderVolume.setValue((int)(volume.getMinimum()+(4*(volume.getMaximum()-volume.getMinimum()))/5));                volume.setValue((float)(volume.getMinimum()+(4*(volume.getMaximum()-volume.getMinimum()))/5));             }        }        else        {             volume=null;             jSliderVolume.setEnabled(false);        }        }    private void nextmusic() {        String mode=Setting.getMode();        if (isNext&&!mode.equals("one")) {
   //单曲播放就不执行            int nextid=0;//将要播放的id            int currentid=Integer.parseInt(this.music.getId());            System.out.println(mode);            if (mode.equals("default")&&(currentid==MusicList.getList().size()-1)){                return;            }                        if (mode.equals("rand")) {                 Random random = new Random();                 nextid=Math.abs(random.nextInt())%MusicList.getList().size();            }else if (mode.equals("onecircle")) {                nextid=currentid;            }else if (mode.equals("default")&&!(currentid==MusicList.getList().size()-1)) {                 nextid=currentid+1;            }else if (mode.equals("morecircle")) {                                nextid=(currentid==MusicList.getList().size()-1)?0:currentid+1;            }            JTable jTable=ViewList.getList().get(0).getJt();            if(nextid==0){
   //第一个                                jTable.setRowSelectionInterval(0,0);                            }else {                    jTable.setRowSelectionInterval(nextid-1,nextid);             }                  this.stopplay();                  ThreadList.getList().clear();                  p=new Player(jSliderVolume,jSliderPlayProgress);                  p.setMusic(MusicList.getList().get(nextid));                  ThreadList.getList().add(p);                  p.start();        }    }        //开始    public void startplay(){        over=false;    }            //停止        public void stopplay(){        over=true;    }            // 暂停    public void userPressedPause() {     paused = true;    }         //继续    public void userPressedPlay() {             synchronized(lock) {                  paused = false;                  lock.notifyAll();        }    }        public void Pause(){        if (paused) {             synchronized(lock) {                  paused = false;                  lock.notifyAll();                 }        }else{             paused = true;        }            }         }

 

这个主要是播放音乐的类，播放，暂停，停止，上一首，下一首都有了

 

 View.java

package com.view;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Component;import java.awt.Container;import java.awt.Dimension;import java.awt.GridLayout;import java.awt.Image;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;import java.io.File;import java.io.IOException;import java.net.URI;import java.net.URL;import java.util.ArrayList;import javax.swing.ImageIcon;import javax.swing.JButton;import javax.swing.JComboBox;import javax.swing.JComponent;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JMenu;import javax.swing.JMenuBar;import javax.swing.JMenuItem;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JRootPane;import javax.swing.JScrollPane;import javax.swing.JSlider;import javax.swing.JTable;import javax.swing.ListSelectionModel;import javax.swing.ScrollPaneConstants;import javax.swing.SwingConstants;import javax.swing.event.ChangeEvent;import javax.swing.event.ChangeListener;import javax.swing.table.TableCellRenderer;import com.list.MusicList;import com.list.ThreadList;import com.list.ViewList;import com.model.Model;import com.model.Music;import com.service.Player;import com.service.Setting;import com.util.DirInput;import com.util.FileInput;import com.util.FileList;import com.util.List_File;public class View extends JFrame implements MouseListener,ActionListener,WindowListener {        private JButton stop, open,del,next,pre;    private  Player p;    private JPanel[] jPanels;    private MusicList list;    //private Long clickTime=0l;    private JScrollPane jsp;    private JTable jt;    private JRootPane j;    private Model model;    private JSlider jSliderVolume;    private JSlider jSliderPlayProgress;    private FileInput fileinput;    private DirInput dirInput;    private JMenuBar jb;    private JMenu jm;    private JMenuItem fm,dm;    private JComboBox jBox;           public View(){        System.out.println(ViewList.getList().size());        if (ViewList.getList().size()==0) {            Open();        }    }            private void Open() {                //this.getRootPane().setWindowDecorationStyle(JRootPane.NONE);                        //this.setUndecorated(true);       //菜单选项                jb=new JMenuBar();        jm=new JMenu("打开");                fm=new JMenuItem("文件");                dm=new JMenuItem("文件夹");                fm.addActionListener(this);        dm.addActionListener(this);        jb.add(jm);                jm.add(fm);        jm.add(dm);                                //this.setJMenuBar(jb);                                JPanel p1=new JPanel();        JPanel p2=new JPanel();        JPanel p3=new JPanel();                //增加菜单选项        j=new JRootPane();                j.setJMenuBar(jb);                        p2.add(j);                         open=new JButton("播放");         stop=new JButton("停止");         open.addMouseListener(this);         stop.addMouseListener(this);         pre=new JButton("上一首");         next=new JButton("下一首");         pre.addMouseListener(this);         next.addMouseListener(this);        p1.setLayout(new GridLayout(2,1));                JPanel jPanel2=new JPanel();                jPanel2.add(open);        jPanel2.add(stop);        jPanel2.add(pre);        jPanel2.add(next);                p1.add(jPanel2);        /*p1.add(open);        p1.add(stop);        p1.add(pre);        p1.add(next);*/                                                del=new JButton("删除");        del.addMouseListener(this);                 jSliderPlayProgress = new JSlider();   //播放进度条            jSliderPlayProgress.setValue(0);            jSliderPlayProgress.setEnabled(false);            jSliderPlayProgress.setPreferredSize(new Dimension(200, 20));                                    p1.add(jSliderPlayProgress);                            jSliderVolume = new JSlider();   //音量进度条        jSliderVolume.setValue(0);         //jSliderPlayProgress.setEnabled(false);        jSliderVolume.setPreferredSize(new Dimension(100, 20));//设置滚动条长度                                   jSliderVolume.addChangeListener(new ChangeListener()            {                public void stateChanged(ChangeEvent evt)                 {                    System.out.println(jSliderVolume.getValue());                    if (ThreadList.getList().size()!=0) {                        ThreadList.getList().get(0).getVolume().setValue((float)jSliderVolume.getValue());                    }                                                        }            });        String[] v={"顺序播放","随机播放","单曲循环","列表循环","单曲播放"};                jBox=new JComboBox(v);                jBox.addActionListener(this);                    p2.add(jBox);                p2.add(del);                         p2.add(jSliderVolume);                jPanels=new JPanel[list.getList().size()];                for (int i = 0; i < list.getList().size(); i++) {                        Music music=list.getList().get(i);                        JPanel jPanel=new MyJPanel(music);                                    JLabel jLabel=new JLabel(music.getName(),SwingConstants.CENTER);            jLabel.setSize(300, 10);            jLabel.setHorizontalTextPosition(JLabel.CENTER);                        jPanel.setBackground(Color.WHITE);                        jPanels[i]=jPanel;                        jPanel.addMouseListener(this);                        jPanel.add(jLabel);                                                p3.add(jPanel);                                }                        p3.setBackground(Color.WHITE);                p3.setLayout(new GridLayout(10, 1));                p3.setSize(320, 500);                        this.add(p1,BorderLayout.NORTH);        this.add(p2,BorderLayout.SOUTH);                                                                model=new Model();            //添加表                jt=new JTable(model){ // 设置jtable的单元格为透明的               public Component prepareRenderer(TableCellRenderer renderer,                         int row, int column) {                        Component c = super.prepareRenderer(renderer, row, column);                        if (c instanceof JComponent) {                         ((JComponent) c).setOpaque(false);                        }                        return c;                       }                      };;                              jt.setOpaque(false);                jt.setRowHeight(30);        jt.setSelectionMode(ListSelectionModel.SINGLE_SELECTION );        jt.setShowHorizontalLines(false);        jt.setSelectionBackground(new Color(189,215,238));        jt.addMouseListener(this);                jsp = new JScrollPane(jt);                jsp.setOpaque(false);        jsp.getViewport().setOpaque(false);                        //addmusic();                //this.add(p3,BorderLayout.CENTER);                this.add(jsp,BorderLayout.CENTER);                        this.setDefaultCloseOperation(EXIT_ON_CLOSE);                this.addWindowListener(this);                Image image=this.getToolkit().getImage("img/icon.jpg");                this.setIconImage(image);                this.setTitle("音乐播放器");                  ImageIcon icon = new ImageIcon("img/bg.jpg");           JLabel lab = new JLabel(icon); // 将图片放入到label中          lab.setBounds(0, 0, icon.getIconWidth(), icon.getIconHeight()); // 设置放有图片的label的位置                    this.getContentPane().add(lab, -1); // jthis本身是窗体，不能放置任何组件，用getContentPane()方法得到this的默认内容面板，将lab放入其中，-1表示放入面板的下层          this.getContentPane().add(jsp, 0); // 0表示放在面板的最顶层          Container con = this.getContentPane();          ((JPanel)con).setOpaque(false); // 设置面板为透明的          p2.setOpaque(false);         jSliderVolume.setOpaque(false);         jPanel2.setOpaque(false);         p1.setOpaque(false);         p3.setOpaque(false);         jSliderPlayProgress.setOpaque(false);        this.setLocation(400, 200);        this.setSize(337, 525);        this.setResizable(false);        this.setVisible(true);    }        @Override    public void mouseClicked(MouseEvent e) {                System.out.println("开始播放");                if (e.getSource()==open) {                        if (p==null) {
   //开始              p=new Player(jSliderVolume,jSliderPlayProgress);              p.setMusic(MusicList.getList().get(0));              jt.setRowSelectionInterval(0,0);              ThreadList.add(p);              open.setText("暂停");              p.start();            }else{
   //继续                if (ThreadList.getList().size()!=0) {                    p=ThreadList.getList().get(0);                }                                String s=p.isPaused()?"暂停":"播放";                open.setText(s);                p.Pause();            }                    }else if (e.getSource()==stop) {            if (ThreadList.getList().size()!=0) {                p=ThreadList.getList().get(0);            }            if (p!=null) {                p.stopplay();                p=null;                open.setText("播放");            }                            }else if (e.getSource()==pre) {
   //上一首            premusic();        }else if (e.getSource()==next) {
   //下一首            nextmusic();        }else if (e.getSource()==del) {                        delmusic();                          }else if (e.getSource()==jt&&e.getClickCount()==2) {
   //双击                        clickmusic();                                            }            }    private void clickmusic() {        //双击Jtable        System.out.println("点击了");                int rowNum = this.jt.getSelectedRow();        System.out.println(rowNum);        if(rowNum == -1) {            JOptionPane.showMessageDialog(this, "你没有选择一项");            return;        }        ArrayList
     
       list=ThreadList.getList();                        System.out.println(list.size()+"音乐文件数目");                 if (list.size()==0) {                          p=new Player(jSliderVolume,jSliderPlayProgress);              p.setMusic(MusicList.getList().get(rowNum));              ThreadList.add(p);              open.setText("暂停");              p.start();        }else{            System.out.println("停止");        list.get(0).stopplay();        list.clear();        p=new Player(jSliderVolume,jSliderPlayProgress);            p.setMusic(MusicList.getList().get(rowNum));            open.setText("暂停");            list.add(p);            p.start();        }    }    private void delmusic() {        int rowNum = this.jt.getSelectedRow();                        MusicList.getList().remove(rowNum);                System.out.println(MusicList.getList().size());                jt.setModel(new Model());                   ArrayList
      
        list=ThreadList.getList();           p=new Player(jSliderVolume,jSliderPlayProgress);           System.out.println(list.size()+"大小");           if (list.size()!=0) {                list.get(0).stopplay();                list.clear();                open.setText("暂停");                if(rowNum==0){
   //第一个                    System.out.println("第一个");                              jt.setRowSelectionInterval(0,0);                            p.setMusic(MusicList.getList().get(rowNum));                                                                       }else if(rowNum==MusicList.getList().size()){
   //最后一个                        System.out.println("最后一个");                                                    jt.setRowSelectionInterval(rowNum-2,rowNum-1);                            p.setMusic(MusicList.getList().get(rowNum-1));                                            }else {                    System.out.println("中间");                                              jt.setRowSelectionInterval(rowNum-1,rowNum);                        p.setMusic(MusicList.getList().get(rowNum));                                            }                 list.add(p);                 p.start();           }    }    public JTable getJt() {        return jt;    }    private void premusic() {        System.out.println("上一首");                ArrayList
       
         list=ThreadList.getList();                int id=Integer.parseInt(list.get(0).getMusic().getId());                if(id!=0){        if (id==1) {            jt.setRowSelectionInterval(0,0);        }else{            jt.setRowSelectionInterval(id-2,id-1);        }        System.out.println(id);                list.get(0).stopplay();        list.clear();                  p=new Player(jSliderVolume,jSliderPlayProgress);          p.setMusic(MusicList.getList().get(id-1));          System.out.println(id-1);                    open.setText("暂停");          list.add(p);          p.start();        }    }    private void nextmusic() {        System.out.println("下一首");        ArrayList
        
          list=ThreadList.getList();        int id=Integer.parseInt(list.get(0).getMusic().getId());                System.out.println(id);        if(id!=MusicList.getList().size()-1){ //122                    jt.setRowSelectionInterval(id,id+1);  //123条                list.get(0).stopplay();        list.clear();                p=new Player(jSliderVolume,jSliderPlayProgress);                  p.setMusic(MusicList.getList().get(id+1));          System.out.println(id+1);                    open.setText("暂停");          list.add(p);          p.start();}    }   //判断双击/*    private boolean checkClickTime() {        long nowTime = (new Date()).getTime();        if ((nowTime - clickTime) < 300) {        clickTime = nowTime;        return true;        }        clickTime = nowTime;        return false;        }*/        private void addmusic(String path) {
   //增加mp3文件夹                System.out.println("增加mp3文件夹");        ArrayList
         
           musiclist=MusicList.getList();                        List_File fm = new List_File();            ArrayList
          
            FileList = fm.serachFiles(path); for (int i = 0; i < FileList.size(); i++) { Music music= new Music(); music.setId(musiclist.size()+""); String[] s=(String[]) FileList.get(i); music.setName(s[0]); music.setPath(s[1]); musiclist.add(music); } jt.setModel(new Model()); } @Override public void mouseEntered(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mouseExited(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mousePressed(MouseEvent e) { // TODO Auto-generated method stub } @Override public void mouseReleased(MouseEvent e) { // TODO Auto-generated method stub } @Override public void actionPerformed(ActionEvent e) { if (e.getSource()==fm) { //添加mp3文件 if(fileinput==null) fileinput = new FileInput(this); fileinput.open(); File[] s=fileinput.getFiles(); ArrayList
           
             musiclist=MusicList.getList(); if(s!=null){ for(int i=0;i
            
              list=MusicList.getList(); for (int i = 0; i < list.size(); i++) { FileList.writeFile("file/musiclist.txt",list.get(i).getId()+","+list.get(i).getName()+"," +list.get(i).getPath()+"\n"); } } } @Override public void windowDeactivated(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowDeiconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowIconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowOpened(WindowEvent e) { // TODO Auto-generated method stub System.out.println("open"); File file=new File("file/musiclist.txt"); if (file.exists()==false) { try { file.createNewFile(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } }else { FileList.readFileByLines("file/musiclist.txt"); jt.setModel(new Model()); } }}
            
           
          
         
        
       
      
     

 

 剩下的代码在后面附件上有，现在主要是有几个小问题，第一，我还没有找到获取音乐文件具体信息比较好的办法，所以每一首暂时还没有歌手，作曲的信息，第二界面有点难看，见谅了，第三个是打包成jar文件会有路径问题，暂时还没办法解决，我是直接在myeclipse上运行，一切正常，就是打包有点小问题

暂时先说这些了，这个是我业余时间的项目，有什么不足的，大家都可以提出来