java多线程音乐播放器
时间: 2023-11-24 16:52:13 浏览: 73
以下是一个Java多线程音乐播放器的实现方法:
```java
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;import javax.sound.sampled.FloatControl;
public class MusicPlayer implements Runnable {
private String filePath;
private Clip clip;
private FloatControl gainControl;
private boolean isPlaying = false;
public MusicPlayer(String filePath) {
this.filePath = filePath;
}
public void run() {
try {
File musicFile = new File(filePath);
InputStream musicInputStream = new FileInputStream(musicFile);
clip = AudioSystem.getClip();
clip.open(AudioSystem.getAudioInputStream(musicInputStream));
gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
clip.start();
isPlaying = true;
while (clip.getMicrosecondLength() != clip.getMicrosecondPosition()) {
Thread.sleep(1000);
}
isPlaying = false;
} catch (Exception e) {
e.printStackTrace();
}
}
public void pause() {
if (clip != null && isPlaying) {
clip.stop();
isPlaying = false;
}
}
public void resume() {
if (clip != null && !isPlaying) {
clip.start();
isPlaying = true;
}
}
public void setVolume(float volume) {
if (gainControl != null) {
gainControl.setValue(volume);
}
}
}
```
这个播放器使用了Java的多线程技术,可以同时播放多个音乐文件。它还提供了暂停、恢复、设置音量等功能。
使用方法如下:
```java
MusicPlayer player = new MusicPlayer("music.mp3");
Thread thread = new Thread(player);
thread.start();
player.pause();
player.resume();
player.setVolume(0.5f);
```