Java音乐播放 简单demo

package view.jpanl; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JPanel; import javax.swing.filechooser.FileNameExtensionFilter; import entity.Music; public class UtilsView extends JPanel implements ActionListener { public static UtilsView UTILS_VIEW = new UtilsView(); private JButton openMusic = new JButton("打开音乐文件"); private JButton stop =new JButton("停止播放"); private UtilsView() { this.add(openMusic); this.add(stop); openMusic.addActionListener(this); stop.addActionListener(this); } @Override public void actionPerformed(ActionEvent e) { if (e.getSource() == openMusic) { File file = getFile(); if (file != null) { ListView.MUSIC.put(file.getName(), new Music(file.getName(), file.getPath())); JButton jButton=new JButton(file.getName()); jButton.addActionListener(ListView.LIST_VIEW); ListView.LIST_VIEW.add(jButton); ListView.LIST_VIEW.setVisible(false); ListView.LIST_VIEW.setVisible(true); } }else if(e.getSource() == stop){ try{ ListView.MUSIC_PLAYER.close(); }catch(Exception ex){ System.out.println("停止播放"); } } } public File getFile() { final JFileChooser fc = new JFileChooser(); fc.setCurrentDirectory(new File(".")); fc.setFileFilter(new FileNameExtensionFilter("仅能打开 *.mp3 *.mid *.wav", "mp3", "mid", "wav")); fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); fc.showOpenDialog(this); File file_choosed = fc.getSelectedFile(); return file_choosed; } }