一个简单的java播放器

import java.applet.*;import java.awt.*;import java.awt.event.*;import java.net.*;import javax.swing.*;import java.io.File;class AudioPlayDemo extends JFrame implements ActionListener {    boolean looping = false;    File file1 = new File("1.wav");    AudioClip sound1;    AudioClip chosenClip;    JButton playButton = new JButton("播放");    JButton loopButton = new JButton("循环播放");    JButton stopButton = new JButton("停止");    JLabel status = new JLabel("选择播放文件");    JPanel controlPanel = new JPanel();    Container container = getContentPane();    public AudioPlayDemo() {        try {            sound1 = Applet.newAudioClip(file1.toURL());            chosenClip = sound1;        } catch(OutOfMemoryError e){            System.out.println("内存溢出");            e.printStackTrace();        } catch(Exception e){            e.printStackTrace();        }        playButton.addActionListener(this);        loopButton.addActionListener(this);        stopButton.addActionListener(this);        stopButton.setEnabled(false);        controlPanel.add(playButton);        controlPanel.add(loopButton);        controlPanel.add(stopButton);        container.add(controlPanel, BorderLayout.CENTER);        container.add(status, BorderLayout.SOUTH);        setSize(300, 130);        setVisible(true);        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //关闭窗口时退出程序        try {            jbInit();        } catch (Exception ex) {            ex.printStackTrace();        }    }public void actionPerformed(ActionEvent event) {    if (chosenClip == null) {        status.setText("声音未载入");        return;    }    Object source = event.getSource(); //获取用户洗涤激活的按钮    if (source == playButton) {        stopButton.setEnabled(true);        loopButton.setEnabled(true);        chosenClip.play();        status.setText("正在播放");    }    if (source == loopButton) {        looping = true;        chosenClip.loop();        loopButton.setEnabled(false);        stopButton.setEnabled(true);        status.setText("正在循环播放");    }    if (source == stopButton) {        if (looping) {            looping = false;            chosenClip.stop();            loopButton.setEnabled(true);        } else {            chosenClip.stop();        }        stopButton.setEnabled(false);        status.setText("停止播放");      }    }    public static void main(String s[]) {    new AudioPlayDemo();    }    private void jbInit() throws Exception {    }}