java音乐播放器实现代码

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; }  }   }

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<Player> 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<Player> 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<Player> 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<Player> 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<Music> musiclist=MusicList.getList();    List_File fm = new List_File();  ArrayList<String[]> 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<Music> musiclist=MusicList.getList();      if(s!=null){  for(int i=0;i<s.length;i++){  Music music= new Music();  music.setId(musiclist.size()+"");  music.setName(s[i].getName());  music.setPath(s[i].getAbsolutePath());  musiclist.add(music);  jt.setModel(new Model());  }  } }else if (e.getSource()==dm) {      if(dirInput==null) dirInput = new DirInput(this);    dirInput.open();    File s=dirInput.getFile();      if(s!=null){      addmusic(s.getAbsolutePath());  }       }else if (e.getSource()==jBox) {  //顺序播放 (默认)default 随机rand 单曲循环 onecircle 列表循环 morecircle 单曲播放 one     if (ThreadList.getList().size()!=0) { p=ThreadList.getList().get(0); }else {  p=new Player(jSliderVolume,jSliderPlayProgress);  ThreadList.getList().add(p); }  String[] s={"default","rand","onecircle","morecircle","one"};  Setting.setMode(s[jBox.getSelectedIndex()]);   } } @Override public void windowActivated(WindowEvent e) { // TODO Auto-generated method stub  } @Override public void windowClosed(WindowEvent e) { // TODO Auto-generated method stub System.out.println("关闭kk"); } @Override public void windowClosing(WindowEvent e) { // TODO Auto-generated method stub System.out.println("close");  if (MusicList.getList().size()!=0) {  System.out.println("写入文件");  //清空之前的内容  FileList.clear("file/musiclist.txt");  ArrayList<Music> 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()); }    }}