用Applet播放音频文件
我写了一个Applet程序,想播放音频文件,但出现了异常,各路高手帮忙看一下,不胜感激!
以下是源代码:(其中的文件夹“新歌1”和本程序的源文件都存放在src文件夹里面)
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class Audio extends Applet implements ActionListener,ItemListener{
AudioClip clp;
Button ply,lop,stp;
Choice ch;
public void init(){
setLayout(null);
setBackground(Color.cyan);
setForeground(Color.blue);
setFont(new Font("隶书",Font.BOLD,18));
ch=new Choice();
ch.add(getParameter("src//新歌1//传奇.wma"));
ch.add(getParameter("src//新歌1//羽泉-深呼吸.wma"));
ch.add(getParameter("src//新歌1//Banaroo-I Love You You Love Me.wma"));
ch.add(getParameter("src//新歌1//张靓颖-天下无双.wma"));
add(ch);
ch.setBounds(20,60,150,30);
ch.addItemListener(this);
ply=new Button("播放");
lop=new Button("循环播放");
stp=new Button("停止播放");
ply.setBackground(Color.yellow);
lop.setBackground(Color.BLUE);
stp.setBackground(Color.magenta);
ply.setBounds(200, 30, 80, 30);
lop.setBounds(200,80,80,30);
stp.setBounds(200,130,80,30);
add(ply); add(lop); add(stp);
lop.addActionListener(this);
ply.addActionListener(this);
stp.addActionListener(this);
clp=getAudioClip(getCodeBase(),"src//新歌1//传奇.wma");
}
public void itemStateChanged(ItemEvent e){
clp=getAudioClip(getCodeBase(),ch.getSelectedItem());
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==ply) clp.play();
else if(e.getSource()==lop) clp.loop();
else if(e.getSource()==stp) clp.stop();
}
}