一个简单的音乐播放器的java代码.docx

1、一个简单的音乐播放器的java代码import java.awt.*;import java.awt.event.*;import java.io.*;import java.util.*;import javax.swing.*;import javax.media.bean.playerbean.*;import java.io.IOException;import javax.swing.JOptionPane;import java.awt.*;public class lyt extends JFrame implements Runnable public MediaPlayer

2、soumd1; private JButton playSound, stopsound, tjian,loopSound;private JMenuItem jmiOpen,jmiSave,jmiExit,jmiAbout; public JPanel jp1, jp2, jp3, jp4;public JList jl; private JButton last, next, stop;public Vector vector, mingcheng;boolean fo = false, geshi = false;JLabel jl1, jl2, sj1, sj2;JTextField

3、jt1, jt2;int a = 0, b = 0, you = 1, mm = 0; public lyt() super(200842018java音乐播放器); soumd1 = new MediaPlayer(); Container c = getContentPane(); c.setLayout(new FlowLayout(); mingcheng = new Vector(); jp1 = new JPanel(); c.add(jp1);JMenuBar mb=new JMenuBar(); setJMenuBar(mb);JMenu fileMenu=new JMenu(

4、文件); mb.add(fileMenu); JMenu helpMenu=new JMenu(帮助); mb.add(helpMenu); fileMenu.add(jmiOpen=new JMenuItem(打开); fileMenu.add(jmiSave=new JMenuItem(播放);helpMenu.add(jmiAbout=new JMenuItem(关于); JPanel jp2 = new JPanel(); jp2.setLayout(new FlowLayout(); jp2.add(last = new JButton(后退); jp2.add(playSound

5、= new JButton(播放); jp2.add(tjian = new JButton(添加); jp2.add(next = new JButton(前进); jp2.add(stopsound = new JButton(停止); jp2.add(loopSound= new JButton(循环); getContentPane().add(jp2, BorderLayout.SOUTH); jp2 = new JPanel(); jp2.add(playSound); jp2.add(stopsound); c.add(jp2); jp4 = new JPanel(); sj1

6、= new JLabel(); sj2 = new JLabel(); jp4.add(sj1); jp4.add(sj2); c.add(jp4); vector = new Vector(); jl = new JList(mingcheng); jl.setVisibleRowCount(4); jl.setFixedCellHeight(30); jl.setFixedCellWidth(265);jl.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); c.add(new JScrollPane(jl); jp3 = new

7、JPanel(); jp3.add(tjian); c.add(jp3); try String s = d:music.txt; ObjectInputStream input = new ObjectInputStream( new FileInputStream(s); lujin a1 = (lujin) input.readObject(); mingcheng = a1.b; vector = a1.a; jl.setListData(mingcheng); catch (Exception e) System.out.println(D盘没有保存音乐文件); jmiOpen.ad

8、dActionListener(new ActionListener() public void actionPerformed(ActionEvent event) JFileChooser fileChooser = new JFileChooser(); fileChooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); fileChooser.setCurrentDirectory(new File(.); fileChooser .setFileFilter(newjavax.swing.filechooser.

9、FileFilter() public boolean accept(File file) String name = file.getName().toLowerCase(); return name.endsWith(.mp3) | file.isDirectory(); public String getDescription() return 音乐文件(*.mp3); ); if (fileChooser.showOpenDialog(lyt.this) =JFileChooser.APPROVE_OPTION) String fileName =fileChooser.getSele

10、ctedFile() .getAbsolutePath(); vector.add(fileName); StringBuffer buffer = daoxu(fileName); mingcheng.add(buffer); ); tjian.addActionListener(new ActionListener() public void actionPerformed(ActionEvent event) JFileChooser fileChooser = new JFileChooser(); fileChooser.setFileSelectionMode(JFileChoos

11、er.FILES_AND_DIRECTORIES); fileChooser.setCurrentDirectory(newFile(.); fileChooser .setFileFilter(newjavax.swing.filechooser.FileFilter() public boolean accept(File file) String name =file.getName().toLowerCase(); return name.endsWith(.mp3) | file.isDirectory(); public String getDescription() return

12、 音乐文件(*.mp3); ); if (fileChooser.showOpenDialog(lyt.this) =JFileChooser.APPROVE_OPTION) String fileName =fileChooser.getSelectedFile() .getAbsolutePath(); vector.add(fileName); StringBuffer buffer = daoxu(fileName); mingcheng.add(buffer); ); jmiSave.addActionListener(new ActionListener() public void

13、 actionPerformed(ActionEvent e) if (jl.getSelectedIndex() = 0) String yy = (String)vector.get(jl.getSelectedIndex(); File ff = new File(yy); if (ff.exists() if (yy.matches(Ss*.mp3) |yy.matches(Ss*.mp3) if (soumd1 != null) a = 0; b = 0; you = 0; soumd1.stop(); soumd1.setMediaLocation(file:/ +yy); fo

14、= true; soumd1.start(); geshi = true; try Thread.sleep(500); catch (InterruptedException eee) else JOptionPane.showMessageDialog(null, 无法播放); else JOptionPane.showMessageDialog(null, 此歌曲已经存在); else JOptionPane.showMessageDialog(null, 请选择音乐文件); ); loopSound.addActionListener(new ActionListener() publ

15、ic void actionPerformed(ActionEvent e) if (jl.getSelectedIndex() = 0) String yy = (String) vector.get(jl.getSelectedIndex(); File ff = new File(yy); if (ff.exists() if (yy.matches(Ss*.mp3)| yy.matches(Ss*.MP3) if (soumd1 != null) a = 0; b = 0; you = 0; soumd1.stop(); soumd1.setMediaLocation(file:/ +

16、 yy); fo = true; soumd1.start(); geshi=true; try Thread.sleep(500); catch (InterruptedException we) else JOptionPane.showMessageDialog(null, 不支持此格式，无法播放); else JOptionPane.showMessageDialog(null, 此歌曲文件已经存在); else JOptionPane.showMessageDialog(null, 请选择音乐文件); ); playSound.addActionListener(new Action

17、Listener() public void actionPerformed(ActionEvent e) if (jl.getSelectedIndex() = 0) String yy = (String)vector.get(jl.getSelectedIndex(); File ff = new File(yy); if (ff.exists() if (yy.matches(Ss*.mp3) |yy.matches(Ss*.mp3) if (soumd1 != null) a = 0; b = 0; you = 0; soumd1.stop(); soumd1.setMediaLoc

18、ation(file:/ + yy); fo = true; soumd1.start(); geshi = true; try Thread.sleep(500); catch (InterruptedException eee) else JOptionPane.showMessageDialog(null, 无法播放); else JOptionPane.showMessageDialog(null, 此歌曲已经存在); else JOptionPane.showMessageDialog(null, 请选择音乐文件); ); stopsound.addActionListener(ne

19、w ActionListener() public void actionPerformed(ActionEvent e) a = 0; b = 0; you = 0; mm = 0; geshi = false; fo = false; sj1.setText(null); sj2.setText(null); if (jl.getSelectedIndex() = 0) soumd1.stop(); ); jl.addMouseListener(new MouseAdapter() public void mousePressed(MouseEvent event) if (event.g

20、etClickCount() = 2) if (jl.getSelectedIndex() = 0) String yy = (String)vector.get(jl.getSelectedIndex(); File ff = new File(yy); if (ff.exists() if (yy.matches(Ss*.mp3) |yy.matches(Ss*.mp3) if (soumd1 != null) a = 0; b = 0; you = 0; soumd1.stop(); soumd1.setMediaLocation(file:/ + yy); fo = true; sou

21、md1.start(); geshi = true; try Thread.sleep(500); catch (InterruptedException e) else JOptionPane.showMessageDialog(null, 无法播放); else JOptionPane.showMessageDialog(null, 此歌曲已经存在); if (event.isMetaDown() if (jl.getSelectedIndex() = 0) int a = jl.getSelectedIndex();jt1.setText(mingcheng.get(jl.getSele

22、ctedIndex() + );jt2.setText(vector.get(jl.getSelectedIndex() + ); ); addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) String s = d:music.txt; mmm(vector, mingcheng, s); System.exit(0); ); setSize(370, 270); setVisible(true); public void run() while (true) Date now = new

23、 Date(); try Thread.sleep(1000); catch (InterruptedException e) if (geshi) you = (int) soumd1.getMediaTime().getSeconds(); mm = you % 60; if (you != 0) if (you % 60 = 0) b+; sj1.setText(b + : + mm); public StringBuffer daoxu(String fileName) String mc = ; for (int i = fileName.length(); i = 1; i-) i

24、f (fileName.charAt(i - 1) = ) break; mc += fileName.charAt(i - 1); StringBuffer buffer = new StringBuffer(mc); StringBuffer mm = buffer.reverse(); return mm; public void mmm(Vector vector, Vector mingcheng,String lujin) lujin a = new lujin(vector, mingcheng); try ObjectOutputStream output = newObjec

25、tOutputStream(new FileOutputStream( lujin); output.writeObject(a); output.flush(); output.close(); catch (Exception e) public static void main(String agrs) lyt s = new lyt(); Thread t1 = new Thread(s); t1.start(); s.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); class lujin implements Serializable Vector a = new Vector(); Vector b = new Vector(); public lujin(Vector vector, Vector mingcheng) a = vector; b = mingcheng;