用java编写一个图形界面的媒体播放器
时间: 2023-08-21 20:07:45 浏览: 36
好的,以下是一个简单的Java图形界面媒体播放器的示例代码,你可以参考一下:
```java
import java.awt.BorderLayout;
import java.awt.EventQueue;
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.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.filechooser.FileNameExtensionFilter;
import javazoom.jl.player.Player;
public class MediaPlayer extends JFrame {
private JPanel contentPane;
private JButton btnPlay;
private JButton btnStop;
private Player player;
private File file;
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
MediaPlayer frame = new MediaPlayer();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
public MediaPlayer() {
setTitle("MediaPlayer");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 300, 100);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
btnPlay = new JButton("Play");
btnPlay.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (player != null) {
player.close();
}
try {
player = new Player(file.toURI().toURL().openStream());
player.play();
} catch (Exception e1) {
e1.printStackTrace();
}
}
});
contentPane.add(btnPlay, BorderLayout.WEST);
btnStop = new JButton("Stop");
btnStop.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (player != null) {
player.close();
}
}
});
contentPane.add(btnStop, BorderLayout.EAST);
JPanel panel = new JPanel();
contentPane.add(panel, BorderLayout.CENTER);
JButton btnOpen = new JButton("Open File");
btnOpen.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser fileChooser = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter("MP3 Files", "mp3");
fileChooser.setFileFilter(filter);
int result = fileChooser.showOpenDialog(null);
if (result == JFileChooser.APPROVE_OPTION) {
file = fileChooser.getSelectedFile();
}
}
});
panel.add(btnOpen);
}
}
```
这个示例代码使用了Java Swing来构建图形界面,并使用了JFileChooser来选择要播放的媒体文件。它可以播放MP3文件。你可以根据自己的需求进行修改和扩展。