import java.io.File; import java.io.IOException; import javax.sound.sampled.AudioFormat; import javax.sound.sampled.AudioInputStream; import javax.sound.sampled.AudioSystem; import javax.sound.sampled.DataLine; import javax.sound.sampled.SourceDataLine; //播放声音的类 public class PlaySounds extends Thread {  private String filename;  public PlaySounds(String wavfile) {   filename = System.getProperty("user.dir")+wavfile;  }  public void run() {   File soundFile = new File(filename);   AudioInputStream audioInputStream = null;   try {    audioInputStream = AudioSystem.getAudioInputStream(soundFile);   } catch (Exception e1) {    e1.printStackTrace();    return;   }   AudioFormat format = audioInputStream.getFormat();   SourceDataLine auline = null;   DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);   try {    auline = (SourceDataLine) AudioSystem.getLine(info);    auline.open(format);   } catch (Exception e) {    e.printStackTrace();    return;   }   auline.start();   int nBytesRead = 0;   //这是缓冲   byte[] abData = new byte[512];   try {    while (nBytesRead != -1) {     nBytesRead = audioInputStream.read(abData, 0, abData.length);     if (nBytesRead >= 0)      auline.write(abData, 0, nBytesRead);    }   } catch (IOException e) {    e.printStackTrace();    return;   } finally {    auline.drain();    auline.close();   }  }  }

// 文件名:MuiscPlay.java import java.io.*; import java.net.URL; import sun.audio.*; /** * * @author wuhuiwen * 播放音频文件，产生音效 */ public class MusicPlay {     private AudioStream  as; //单次播放声音用     ContinuousAudioDataStream cas;//循环播放声音     // 构造函数     public MusicPlay(URL url)     {         try {             //打开一个声音文件流作为输入             as = new AudioStream (url.openStream());         } catch (FileNotFoundException e) {             // TODO Auto-generated catch block             e.printStackTrace();         } catch (IOException e) {             // TODO Auto-generated catch block             e.printStackTrace();         }     }     // 一次播放 开始     public void start()     {         if( as==null ){             System.out.println("AudioStream object is not created!");             return;         }else{             AudioPlayer.player.start (as);         }     }     // 一次播放 停止     public void stop()     {         if( as==null ){             System.out.println("AudioStream object is not created!");             return;         }else{             AudioPlayer.player.stop(as);         }            }     // 循环播放 开始     public void continuousStart()     {         // Create AudioData source.         AudioData data = null;         try {             data = as.getData();         } catch (IOException e) {             // TODO Auto-generated catch block             e.printStackTrace();         }         // Create ContinuousAudioDataStream.         cas = new ContinuousAudioDataStream (data);         // Play audio.         AudioPlayer.player.start(cas);     }     // 循环播放 停止     public void continuousStop()     {         if(cas != null)         {             AudioPlayer.player.stop (cas);         }        } }