用Java做个MP3播放器存在的问题

最新问答

• 嘎嘎希尔

  import java.applet.Applet;
  import java.applet.AudioClip;
  import java.awt.AWTException;
  import java.awt.Frame;
  import java.awt.SystemTray;
  import java.awt.TrayIcon;
  import java.awt.event.ActionEvent;
  import java.awt.event.ActionListener;
  import java.awt.event.MouseAdapter;
  import java.awt.event.MouseEvent;
  import java.awt.event.WindowAdapter;
  import java.awt.event.WindowEvent;
  import java.io.File;
  import java.io.IOException;
  
  import javax.imageio.ImageIO;
  import javax.swing.*;
  public class bofan_2 extends JFrame implements ActionListener
  {
  boolean looping=false;
  File file1=null;
  AudioClip sound1;
  AudioClip chosenClip;
  private JComboBox box1=null; //歌曲列表
  private JButton butbofan=null; //播放
  private JButton butboxhuan=null; //循环播放
  private JButton buttinzi=null; //停止
  private JButton butshan=null; //上一首
  private JButton butzhantin=null; //暂停
  private JButton butxia=null; //下一首
  private TrayIcon trayIcon;//托盘图标
  private SystemTray systemTray;//系统托盘
  public bofan_2()
  {
  this.setSize(420,400);
  this.setResizable(false);
  this.setLocationRelativeTo(null);
  this.setLayout(null);
  box1=new JComboBox();
  box1.addItem("伤心太平洋");
  box1.addItem("劲爆的士高");
  box1.addItem("老夫少");
  box1.addItem("爱不再来");
  box1.addItem("抽身");
  box1.addItem("伤心城市");
  box1.addItem("二零一二");
  box1.addItem("精忠报国");
  box1.addItem("秋沙");
  box1.addItem("吻别");
  box1.addItem("音乐疯起来");
  box1.setBounds(10,20,150,20);
  
  butbofan=new JButton("播放");
  butbofan.addActionListener(this);
  butbofan.setBounds(165,50,60,20);
  
  butboxhuan=new JButton("循环播放");
  butboxhuan.addActionListener(this);
  butboxhuan.setBounds(230,50,90,20);
  
  buttinzi=new JButton("停止");
  buttinzi.setEnabled(false);
  buttinzi.addActionListener(this);
  buttinzi.setBounds(335,50,60,20);
  
  butshan=new JButton("上一首");
  butshan.addActionListener(this);
  butshan.setBounds(165,90,80,20);
  
  butzhantin=new JButton("暂停");
  butzhantin.setEnabled(false);
  butzhantin.addActionListener(this);
  butzhantin.setBounds(250,90,60,20);
  
  butxia=new JButton("下一首");
  butxia.addActionListener(this);
  butxia.setBounds(320,90,80,20);
  
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  this.getContentPane().add(box1);
  this.getContentPane().add(butbofan);
  this.getContentPane().add(butboxhuan);
  this.getContentPane().add(buttinzi);
  this.getContentPane().add(butshan);
  this.getContentPane().add(butzhantin);
  this.getContentPane().add(butxia);
  try {
  UIManager.setLookAndFeel("org.jvnet.substance.skin.SubstanceOfficeBlue2007LookAndFeel");
  } catch (ClassNotFoundException e)
  {
  e.printStackTrace();
  } catch (InstantiationException e)
  {
  e.printStackTrace();
  } catch (IllegalAccessException e)
  {
  e.printStackTrace();
  } catch (UnsupportedLookAndFeelException e)
  {
  e.printStackTrace();
  }
  
  setSize(450,450);
  
  systemTray = SystemTray.getSystemTray();//获得系统托盘的实例
  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  try {
  trayIcon = new TrayIcon(ImageIO.read(new File("004.jpg")));
  systemTray.add(trayIcon);//设置托盘的图标，0.gif与该类文件同一目录
  }
  catch (IOException e1)
  {
  e1.printStackTrace();
  }
  catch (AWTException e2)
  {
  e2.printStackTrace();
  }
  
  this.addWindowListener(
  new WindowAdapter(){
  public void windowIconified(WindowEvent e)
  {
  dispose();//窗口最小化时dispose该窗口
  }
  });
  
  trayIcon.addMouseListener(new MouseAdapter()
  {
  public void mouseClicked(MouseEvent e){
  if(e.getClickCount() == 2)//双击托盘窗口再现
  setExtendedState(Frame.NORMAL);
  setVisible(true);
  }
  });
  
  this.setVisible(true);
  }
  public void actionPerformed(ActionEvent e)
  {
  Object source = e.getSource();
  if (source== butbofan)
  {
  System.out.println((String) box1.getSelectedItem());
  file1=new File((String) box1.getSelectedItem()+".wav");
  butboxhuan.setEnabled(true);
  buttinzi.setEnabled(true);
  butzhantin.setEnabled(true);
  butzhantin.setText("暂停");
  try {
  sound1 = Applet.newAudioClip(file1.toURL());
  chosenClip = sound1;
  } catch(OutOfMemoryError er){
  System.out.println("内存溢出");
  er.printStackTrace();
  } catch(Exception ex){
  ex.printStackTrace();
  }
  chosenClip.play();
  this.setTitle("正在播放"+(String) box1.getSelectedItem());
  }
  if (source== butboxhuan)
  {
  file1=new File((String) box1.getSelectedItem()+".wav");
  try {
  sound1 = Applet.newAudioClip(file1.toURL());
  chosenClip = sound1;
  } catch(OutOfMemoryError er){
  System.out.println("内存溢出");
  er.printStackTrace();
  } catch(Exception ex){
  ex.printStackTrace();
  }
  looping = true;
  chosenClip.loop();
  butboxhuan.setEnabled(false);
  buttinzi.setEnabled(true);
  butzhantin.setText("暂停");
  this.setTitle("正在循环播放"+(String) box1.getSelectedItem());
  }
  if (source== buttinzi)
  {
  if (looping)
  {
  looping = false;
  chosenClip.stop();
  butboxhuan.setEnabled(true);
  butzhantin.setText("暂停");
  } else {
  chosenClip.stop();
  }
  buttinzi.setEnabled(false);
  this.setTitle("停止播放");
  }
  if(source==butshan)
  {
  butzhantin.setText("暂停");
  }
  if(source==butzhantin)
  {
  buttinzi.setEnabled(false);
  butzhantin.setText("继续");
  if(source==butzhantin)
  {
  butzhantin.setText("暂停");
  }
  }
  if(source==butxia)
  {
  butzhantin.setText("暂停");
  }
  }
  public static void main(String[] args)
  {
  bofan_2 xx=new bofan_2();
  }
  }
  /*
  可以用加载声音文件的方法：
  第一帧：mysound= new Sound();
  mysound.attachSound(声音id名字);
  ptime = 0;
  播放按钮as：
  on(release){
  mysound.start(ptime);
  }
  暂停按钮as：
  on(release){
  ptime = mysound.position/1000;
  mysound.stop();
  }
  */

  浏览 180赞 78时间 2022-06-16