duomeiti.java

来自「一个JAVA下的多媒体编程」· Java 代码 · 共 42 行

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class duomeiti extends Applet implements ActionListener
{Image img;
 Button button_play, button_loop, button_stop;
 AudioClip sound;

public void init()
{sound=getAudioClip(getCodeBase(),"2.mid");
 button_play=new Button("开始播放");
 button_stop=new Button("停止播放");
 button_loop=new Button("循环播放");
 button_play.addActionListener(this);
 button_stop.addActionListener(this);
 button_loop.addActionListener(this);
 add(button_play);
 add(button_loop);
 add(button_stop);
}

public void start()
{img=getImage(getCodeBase(),"1.jpg");
 }

public void stop()
{sound.stop();}

public void actionPerformed(ActionEvent e)
{if(e.getSource()==button_play)
 {sound.play();}
else if(e.getSource()==button_stop)
 {sound.stop();}
if(e.getSource()==button_loop)
 {sound.loop();}
}

public void paint(Graphics g)
{ g.drawImage(img,140,70,300,300,this);}

}