Question

我的Java音乐程序能运行，无报错，但没声音，求大神指教，音乐文件也放到包下了

import java.applet.*;
import javax.swing.*;
import java.awt.event.*;

public class Ex8_12_UnderstandMusic extends Applet {
private static final long serialVersionUID = 1L;
JCheckBox box1, box2;
JButton play, loop, stop;
AudioClip audio1 = null;
AudioClip audio2 = null;
JLabel label;

public void init() {
resize(400, 200);
this.setLayout(null);
box1 = new JCheckBox("张学友的\"祝福\"");
box2 = new JCheckBox("莫文蔚的\"他不爱我\"");

box1.setBounds(65, 15, 140, 35);
box2.setBounds(200, 15, 180, 35);
add(box1);
add(box2);

play = new JButton("Play");
loop = new JButton("Loop");
stop = new JButton("Stop");

play.setBounds(50, 65, 80, 30);
loop.setBounds(150, 65, 80, 30);
stop.setBounds(250, 65, 80, 30);
stop.setEnabled(false);

audio1 = getAudioClip(getCodeBase(), "1.mid");
audio2 = getAudioClip(getCodeBase(), "2.mid");

add(play);
play.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
playActionPerformed(event);
}
});

add(loop);
loop.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
loopActionPerformed(event);
}
});

add(stop);
stop.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
stopActionPerformed(event);
}

});

label = new JLabel();
label.setBounds(65, 100, 400, 35);
add(label);
label.setText("请选择歌曲后按键!");
}

private void playActionPerformed(ActionEvent event) {
if (audio1 != null && box1.isSelected()) {
audio1.play();
play.setEnabled(false);
loop.setEnabled(false);
stop.setEnabled(true);
label.setText("正在单次播放!");
}
if (audio2 != null && box2.isSelected()) {
audio2.play();
play.setEnabled(false);
loop.setEnabled(false);
stop.setEnabled(true);
label.setText("正在单次播放!");
} else
label.setText("请确保1.mid和2.mid与测试程序在同一路径下!");
}

private void loopActionPerformed(ActionEvent event) {
if (audio1 != null && box1.isSelected()) {
audio1.loop();
play.setEnabled(false);
loop.setEnabled(false);
stop.setEnabled(true);
label.setText("正在循环播放多次！");
}
if (audio2 != null && box2.isSelected()) {
audio2.loop();
play.setEnabled(false);
loop.setEnabled(false);
stop.setEnabled(true);
label.setText("正在循环播放多次！");
} else
label.setText("请确保1.mid和2.mid与测试程序在同一路径下!");
}

private void stopActionPerformed(ActionEvent event) {
audio1.stop();
audio2.stop();
play.setEnabled(true);
loop.setEnabled(true);
stop.setEnabled(false);
label.setText("停止播放!");
}
}

Answer 1

音乐文件没找到