在Linux系统下制作一个简单的MP3播放器

来源:赛迪网 作者:kit
   

代码(一个简单的GUI,通过菜单打开文件并播放,要停止播放直接关闭窗口即可。)

 

/**

* @kissplayer.java

*

*

* @author

* @version 1.00 2007/10/13

*/

 

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import javax.swing.event.*;

import java.io.*;

import javax.media.*;

import java.io.File;

import java.io.IOException;

import java.net.URL;

import java.net.MalformedURLException;

 

class KissFrame extends JFrame{

 

 

KissFrame() {

super("Simple Video Player");

setSize(400, 300);

setDefaultCloseOperation(EXIT_ON_CLOSE);

 

JMenuBar jmb = new JMenuBar();

JMenu jMenu1 = new JMenu("文件");

JMenu jMenu2 = new JMenu("控制");

JMenuItem jMenuItem1_1 = new JMenuItem("打开");

JMenuItem jMenuItem1_2 = new JMenuItem("退出");

jmb.add(jMenu1);

jmb.add(jMenu2);

jMenu1.add(jMenuItem1_1);

jMenu1.add(jMenuItem1_2);

// Add action HERE

MenuItemListener listener = new MenuItemListener();

jMenuItem1_1.addActionListener(listener);

setJMenuBar(jmb);

 

Container contentPane = getContentPane();

}

 

private class MenuItemListener implements ActionListener {

public void actionPerformed(ActionEvent event) {

// System.out.println("jMenuItem1_1");

JFileChooser chooser = new JFileChooser("."); // "."表示本目录

int result = chooser.showOpenDialog(null);

if(result == chooser.APPROVE_OPTION)

{

File selectedFile = chooser.getSelectedFile();

SimpleAudioPlayer.beginPlay(selectedFile);

 

}

else if(result == chooser.CANCEL_OPTION)

{

// 用户取消了操作

}

}

}

 

 

 

public static void main (String[] args) {

KissFrame sf = new KissFrame();

sf.setVisible(true);

}

}

 

class SimpleAudioPlayer {

private Player audioPlayer = null;

 

public SimpleAudioPlayer(URL url) throws IOException,

NoPlayerException,

CannotRealizeException {

audioPlayer = Manager.createRealizedPlayer(url);

}

 

public SimpleAudioPlayer(File file) throws IOException,

NoPlayerException,

CannotRealizeException {

this(file.toURL());

}

 

public void play() {

audioPlayer.start();

}

 

public void stop() {

audioPlayer.stop();

audioPlayer.close();

}

 

public static void beginPlay(File audioFile) {

try {

SimpleAudioPlayer player = new SimpleAudioPlayer(audioFile);

player.play();

// player.stop();

} catch(IOException e) {

System.out.println(e.getMessage());

} catch(NoPlayerException ee) {

System.out.println(ee.getMessage());

} catch(CannotRealizeException eee) {

System.out.println(eee.getMessage());

}

}

}

(责任编辑:A6)


时间:2007-10-16 09:23 来源:赛迪网 作者:kit 原文链接

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