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import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import java.applet.*;

public class AudioDemo extends JApplet {

private String[] audioFiles={"kiley dean - who will i run to.wma","Lady GaGa - Bad Romance.mp3"};

private JComboBox combFilename=new JComboBox(audioFiles);

private String dirStr="multimedia/";

private AudioClip[] audios;

private AudioClip audioPlay;

private JButton playButton,loopButton,stopButton;

public void init() {

audios=new AudioClip[audioFiles.length];

for(int i=0;i

audios[i]=getAudioClip(getCodeBase(),dirStr+audioFiles[i]);

}

audioPlay=audios[0];

combFilename.addItemListener(new ItemListener() {

public void itemStateChanged(ItemEvent e) {

JComboBox cb=(JComboBox)e.getSource();

int i=cb.getSelectedIndex();

audioPlay=audios[i];

}

});

playButton=new JButton("play");

playButton.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent event) {

audioPlay.play();

stopButton.setEnabled(true);

}

});

loopButton=new JButton("circulate");

loopButton.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent event) {

audioPlay.loop();

loopButton.setEnabled(false);

stopButton.setEnabled(true);

}

});

stopButton=new JButton("stop");

stopButton.setEnabled(false);

stopButton.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent event) {

audioPlay.stop();

loopButton.setEnabled(true);

}

});

JPanel controlPanel=new JPanel();

controlPanel.add(combFilename);

controlPanel.add(playButton);

controlPanel.add(loopButton);

controlPanel.add(stopButton);

setLayout(new BorderLayout());

add(controlPanel,BorderLayout.CENTER);

}

public void stop() {

audioPlay.stop();

}

}

總結

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