playsound.java

《Java实例入门》所有实例的源代码。所有的源文件都是.java文件

//Sample of playing sound
import java.applet.*;
import java.awt.*;
import java.net.*;
public class playsound extends Applet{
    Button PlayBt,LoopBt,StopBt;
    AudioClip audio=null;

    public void init(){
	resize(200,50);
	PlayBt=new Button("Play");
	LoopBt=new Button("Loop");
	StopBt=new Button("Stop");			
	StopBt.disable();
	add(PlayBt);
	add(LoopBt);
	add(StopBt);							
	audio=getAudioClip(getCodeBase(),"ding.wav");			
    }
    	
    public void stop(){
	audio.stop();
	PlayBt.enable();
	LoopBt.enable();
	StopBt.enable();
    }
		
    public boolean action(Event event,Object arg){
	if(event.target==PlayBt){
		if(audio!=null){							
  			audio.play();						
			PlayBt.disable();
			LoopBt.disable();
			StopBt.enable();							showStatus("Playing sound only once.");
		}
		else	
			showStatus("Sound file not loaded");
		return true;
	}
	else if(event.target==LoopBt){
		if (audio!=null){				
			audio.loop();
			PlayBt.disable();
			LoopBt.disable();
			StopBt.enable();		
			showStatus("Playing sound …");
		}
	else	
		showStatus("Sound file not loaded");
		return true;
	}
	else if(event.target==StopBt){
		audio.stop();
		PlayBt.enable();
		LoopBt.enable();
		StopBt.disable();				
		showStatus("Stop Playing sound");
		return true;
	}
	return false;
    }    
}