audioplayer.java

用JAVA实现的一个播放器

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class AudioPlayer extends JApplet
{
	private AudioClip[] sounds;
	private AudioClip currentSound;
	private JButton playSound,loopSound,stopSound;
	private JComboBox chooseSound;
	public void init()
	{
		Container c = getContentPane();
		c.setLayout(new FlowLayout());
		String choices[] = {"saimaqu.mid","moon.wav","say.wav","change.wav","eagle.wav"};
		chooseSound = new JComboBox(choices);
		chooseSound.addItemListener(new ItemListener(){
			public void itemStateChanged(ItemEvent e)
			{
				currentSound.stop();
				currentSound = sounds[chooseSound.getSelectedIndex()];
			}
		});
		c.add(chooseSound);
		ButtonHandler handler = new ButtonHandler();
		playSound = new JButton("play");
		playSound.addActionListener(handler);
		c.add(playSound);
		loopSound = new JButton("loop");
		loopSound.addActionListener(handler);
		c.add(loopSound);
		stopSound = new JButton("stop");
		stopSound.addActionListener(handler);
		c.add(stopSound);
		sounds = new AudioClip[choices.length];
		for(int i=0;i<choices.length;i++)
		{	
			sounds[i] = getAudioClip(getDocumentBase(),choices[i]);
		}
		currentSound = sounds[0];
	}
	public void stop()
	{currentSound.stop();}
	private class ButtonHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent e)
		{
			if(e.getSource() == playSound)
				currentSound.play();
			else if(e.getSource() == loopSound)
				currentSound.loop();
				else if(e.getSource()==stopSound)
					currentSound.stop();
		}
	}
	
}