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 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 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("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 = 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 = 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 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.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) {
JFileChooser fileChooser = new JFileChooser();
fileChooser
.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES );
fileChooser.setCurrentDirectory(new File("."));
fileChooser
.setFileFilter(new
javax.swing.filechooser.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.getSelectedFile()
.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(JFileChooser.FILES_AND_DIRECTORIES );
fileChooser.setCurrentDirectory(new
File("."));
fileChooser
.setFileFilter(new
javax.swing.filechooser.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.getSelectedFile()
.getAbsolutePath();
vector.add(fileName);
StringBuffer buffer = daoxu(fileName);
mingcheng.add(buffer);
}
}
});
jmiSave.addActionListener(new ActionListener() {
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("[\\S\\s]*.mp3") || yy.matches("[\\S\\s]*.mp3")) {
if (soumd1 != null) {
a = 0;
b = 0;
you = 0;
soumd1.stop();
}
soumd1.setMediaLocation("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");
}
});
loopSound.addActionListener(new ActionListener() {
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("[\\S\\s]*.mp3")|| yy.matches("[\\S\\s]*.MP3")) {
if (soumd1 != null) {
a = 0;
b = 0;
you = 0;
soumd1.stop();
}
soumd1.setMediaLocation("file:/" + 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 ActionListener() {
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("[\\S\\s]*.mp3") ||
yy.matches("[\\S\\s]*.mp3")) {
if (soumd1 != null) {
a = 0;
b = 0;
you = 0;
soumd1.stop();
}
soumd1.setMediaLocation("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(new 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.getClickCount() == 2) {
if (jl.getSelectedIndex() >= 0) {
String yy = (String)
vector.get(jl.getSelectedIndex());
File ff = new File(yy);
if (ff.exists()) {
if (yy.matches("[\\S\\s]*.mp3") ||
yy.matches("[\\S\\s]*.mp3")) {
if (soumd1 != null) {
a = 0;
b = 0;
you = 0;
soumd1.stop();
}
soumd1.setMediaLocation("file:/" + yy);
fo = true;
soumd1.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.getSelectedIndex()) + "");
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 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--) {
if (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 = new ObjectOutputStream(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;
}
}
}
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