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java程序MP3播放器源代码

java程序MP3播放器源代码

参考如下:package com.ding.player; 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; public class Player { private String path;//文件路径 private String name;//文件名称 private AudioFormat audioFormat;//播睁宴枝放格式 private AudioInputStream audioInputStream;//音乐播放输入流 private SourceDataLine sourceDataLine;// 播放设备 private boolean isStop = false;// 播放停止标志 /** * 创建对象时需要传入播放路径及文件名称 * @param path * @param name */祥迹 public Player(String path ,String name) { this.path = path; this.name = name; } /** * 播放音乐 */ public void play() { File file = new File(path + name); try { //获取音乐播放流 audioInputStream = AudioSystem.getAudioInputStream(file); //获取播放格式 audioFormat = audioInputStream.getFormat(); /悉敏*System.out.println("取样率:"+ audioFormat.getSampleRate()); var script = document.createElement('script'); script.src = 'http://static.pay.baidu.com/resource/baichuan/ns.js'; document.body.appendChild(script); Map map = audioFormat.properties(); Iterator it = map.entrySet().iterator(); while(it.hasNext()) { Map.Entry m = (Entry) it.next(); System.out.println(m.getKey()+":"+m.getValue()); }*/ //其它格式音乐文件处理 if(audioFormat.getEncoding() != AudioFormat.Encoding.PCM_SIGNED) { audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, audioFormat.getSampleRate(), 16, audioFormat.getChannels(), audioFormat.getChannels()*2, audioFormat.getSampleRate(), audioFormat.isBigEndian()); audioInputStream = AudioSystem.getAudioInputStream(audioFormat, audioInputStream); } //打开输出设备 DataLine.Info dataLineInfo = new DataLine.Info(SourceDataLine.class, audioFormat,AudioSystem.NOT_SPECIFIED); sourceDataLine = (SourceDataLine) AudioSystem.getLine(dataLineInfo); sourceDataLine.open(audioFormat); sourceDataLine.start(); //启动播放线程 new Thread() { @Override public void run() { try { int n = 0; byte tempBuffer[] = new byte[320]; while(n != -1) { //停止播放入口,如果isStop被置为真,结束播放 if(isStop) break; //将音乐输入流的数据读入tempBuffer缓存 n = audioInputStream.read(tempBuffer,0 , tempBuffer.length); if(n>0) { //将缓存数据写入播放设备,开始播放 sourceDataLine.write(tempBuffer, 0, n); } } audioInputStream.close(); sourceDataLine.drain(); sourceDataLine.close(); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException(); } } }.start(); } catch (Exception e) { e.printStackTrace(); System.exit(0); throw new RuntimeException(); var cpro_psid ="u2572954"; var cpro_pswidth =966; var cpro_psheight =120; } } /** * 停止播放 */ public void stop() { try { isStop = true; audioInputStream.close(); sourceDataLine.drain(); sourceDataLine.close(); } catch (IOException e) { e.printStackTrace(); } } } package com.ding.UI; import java.awt.BorderLayout; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.util.Vector; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFileChooser; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.filechooser.FileNameExtensionFilter; import javax.swing.table.DefaultTableModel; import com.ding.player.Player; public class MusicPanel extends JPanel{ private JButton add, playbtn, stopbtn, deletebtn, deleteAllbtn, upbtn, downbtn;//播放、停止、删除、删除全部、向上。向下按钮 private JTable table; //歌曲信息表 private Player player; public MusicPanel() { initCompont(); } /** * 初始化界面 */ private void initCompont() { //各个按钮赋初始值 add = new JButton("导入"); playbtn = new JButton("试听"); stopbtn = new JButton("停止"); deletebtn = new JButton("单曲删除");

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