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875天前import javax.swing.*; |
import javax.sound.midi.*; |
import java.awt.GridLayout; |
import java.io.File; |
public class MidiPlayer extends JFrame { |
@SuppressWarnings("deprecation") |
MidiPlayer(String song) { |
super(song); |
setSize(300, 150); |
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
MidiPanel midi = new MidiPanel(song); |
JPanel pane = new JPanel(); |
pane.add(midi); |
setContentPane(pane); |
show(); |
} |
public static void main(String[] arguments) { |
MidiPlayer pm = new MidiPlayer("c:\\1.midi"); // midi文件 |
} |
} |
class MidiPanel extends JPanel implements Runnable { |
Thread runner; |
JProgressBar progress = new JProgressBar(); |
Sequence currentSound;// 音序 |
Sequencer player;// 默认音序器 |
String songFile;// 歌曲 |
MidiPanel(String song) { |
super(); |
songFile = song; |
JLabel label = new JLabel("Playing file..."); |
setLayout(new GridLayout(2, 1)); |
add(label); |
add(progress); |
if (runner == null) { |
runner = new Thread(this); |
runner.start(); |
} |
} |
public void run() { |
try { |
System.out.println(songFile); |
File file = new File(songFile); |
currentSound = MidiSystem.getSequence(file);// 获取音序文件 |
player = MidiSystem.getSequencer();// 获取音序器 |
player.open(); |
player.setSequence(currentSound);// 设置音序器播放指定音乐文件 |
progress.setMinimum(0); |
progress.setMaximum((int) player.getMicrosecondLength());// 设置最大位歌曲时间 |
player.start(); |
while (player.isRunning()) { |
progress.setValue((int) player.getMicrosecondPosition());// 设置播放文件显示当前播放进度 |
try { |
Thread.sleep(1000); |
} catch (Exception e) { |
// TODO: handle exception |
} |
} |
player.close(); |
} catch (Exception e) { |
// TODO: handle exception |
} |
} |
} |
初级程序员
by: 云代码会员 发表于：2017-06-05 22:11:37 顶(0) | 踩(0) 回复
就这么点吗
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