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java实现简单音乐播放器的方法

这篇文章主要讲解了java实现简单音乐播放器的方法，内容清晰明了，对此有兴趣的小伙伴可以学习一下，相信大家阅读完之后会有帮助。

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主要是用到java中的swing技术，以及JMFjar中的API

备注：需要用JDK1.8才能播放音乐MP3 

package baidu;
 
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.media.bean.playerbean.*; //这个包要用到JMF
 
public class MP3 extends JFrame implements Runnable {
public JLabel shijian;
 
private JSlider sldDiameter;
 
public MediaPlayer soumd1;
 
public JButton playSound, loopSound, stopsound;
 
public JButton tjian, shanc, baocun, duqu;
 
public JPanel jp1, jp2, jp3, jp4;
 
public JList jl;
 
int zongmiao=0;
 
public Vector vector, mingcheng;
 
boolean fo = false, geshi = false;
 
JLabel jl1, jl2, sj1, sj2;
 
JTextField jt1, jt2;
 
JButton queding, xiugai;
 
int zong = 0;
 
int a = 0, b = 0, you = 1,mm=0;
 
int fenzhong, miaozhong;
 
public MP3() {
 super("java简单音乐播放器--严楷");
 soumd1 = new MediaPlayer();
 Container c = getContentPane();
 c.setLayout(new FlowLayout());
 mingcheng = new Vector();
 jp1 = new JPanel();
 shijian = new JLabel();
 jp1.add(shijian);
 c.add(jp1);
 playSound = new JButton("开始播放");
 loopSound = new JButton("循环播放");
 stopsound = new JButton("停止播放");
 jp2 = new JPanel();
 jp2.add(playSound);
 jp2.add(loopSound);
 jp2.add(stopsound);
 c.add(jp2);
 jp4 = new JPanel();
 sj1 = new JLabel();
 sj2 = new JLabel();
 sldDiameter = new JSlider(SwingConstants.HORIZONTAL, 0, 100, 0);
 sldDiameter.setMajorTickSpacing(1);
 sldDiameter.setPaintTicks(true);
 jp4.add(sj1);
 jp4.add(sldDiameter);
 jp4.add(sj2);
 c.add(jp4);
 vector = new Vector();
 jl = new JList(mingcheng);
 jl.setVisibleRowCount(5);
 jl.setFixedCellHeight(40);
 jl.setFixedCellWidth(265);
 jl.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 c.add(new JScrollPane(jl));
 tjian = new JButton("添加");
 shanc = new JButton("删除");
 duqu = new JButton("读取");
 baocun = new JButton("保存");
 jp3 = new JPanel();
 jp3.add(tjian);
 jp3.add(shanc);
 jp3.add(baocun);
 jp3.add(duqu);
 c.add(jp3);
 
 try {
 String s =" C:/Users/Administrator/Music/卓依婷 - 萍聚.mp3";
 ObjectInputStream input = new ObjectInputStream(
  new FileInputStream(s));
 lujin a1 = (lujin) input.readObject();
 mingcheng = a1.b;
 vector = a1.a;
 jl.setListData(mingcheng);
 } catch (Exception e) {
 System.out.println("c盘没有保存音乐文件");
 //e.printStackTrace();
 }
 
 baocun.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent event) {
 JFileChooser fileChooser = new JFileChooser(); // 实例化文件选择器
 fileChooser
  .setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); // 设置文件选择模式,此处为文件和目录均可
 if (fileChooser.showSaveDialog(MP3.this) == JFileChooser.APPROVE_OPTION) { // 弹出文件选择器,并判断是否点击了打开按钮
  String fileName = fileChooser.getSelectedFile()
  .getAbsolutePath(); // 得到选择文件或目录的绝对路径
  mmm(vector, mingcheng, fileName);
 }
 }
 });
 duqu.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent event) {
 JFileChooser fileChooser = new JFileChooser(); // 实例化文件选择器
 fileChooser
  .setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); // 设置文件选择模式,此处为文件和目录均可
 if (fileChooser.showOpenDialog(MP3.this) == JFileChooser.APPROVE_OPTION) { // 弹出文件选择器,并判断是否点击了打开按钮
  String fileName = fileChooser.getSelectedFile()
  .getAbsolutePath(); // 得到选择文件或目录的绝对路径
  try {
  ObjectInputStream input = new ObjectInputStream(
  new FileInputStream(fileName));
  lujin a1 = (lujin) input.readObject();
  mingcheng = a1.b;
  vector = a1.a;
  jl.setListData(mingcheng);
  } catch (Exception e) {
  e.printStackTrace();
  }
 }
 }
 });
 playSound.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 if (jl.getSelectedIndex() >= 0) {
  String yy = (String) vector.get(jl.getSelectedIndex());
  File ff = new File(yy);
  if (ff.exists()) {
  if (yy.matches("[\\S\\s]*.mp3")|| yy.matches("[\\S\\s]*.MP3")) {
  if (soumd1 != null) {
  a = 0;
  b = 0;
  you = 0;
  soumd1.stop();
  }
   soumd1.setMediaLocation("file:/" + yy);
  fo = true;
  soumd1.start();
  geshi=true;
  try {
  Thread.sleep(500);
  } catch (InterruptedException eee) {
  }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  if(zongmiao>10000)
  {
  try {
   Thread.sleep(500);
  } catch (InterruptedException ew) {
  }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  String aa=fen(zongmiao);
   sj2.setText(aa);
  } else
  JOptionPane.showMessageDialog(null,
   "播放文件格式的有错,无法播放 建议删除");
  } else
  JOptionPane.showMessageDialog(null,
  "此歌曲文件已经不存在,建议删除");
 }
 else
  JOptionPane.showMessageDialog(null, "请选择音乐文件");
 }
 });
 loopSound.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 if (jl.getSelectedIndex() >= 0) {
  String yy = (String) vector.get(jl.getSelectedIndex());
  File ff = new File(yy);
  if (ff.exists()) {
  if (yy.matches("[\\S\\s]*.mp3")|| yy.matches("[\\S\\s]*.MP3")) {
  if (soumd1 != null) {
  a = 0;
  b = 0;
  you = 0;
  soumd1.stop();
  }
   soumd1.setMediaLocation("file:/" + yy);
  fo = true;
  soumd1.start();
  geshi=true;
  try {
  Thread.sleep(500);
  } catch (InterruptedException we) {
  }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  if(zongmiao>10000)
  {
  try {
   Thread.sleep(500);
  } catch (InterruptedException we) {
  }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  String aa=fen(zongmiao);
   sj2.setText(aa);
  } else
  JOptionPane.showMessageDialog(null,
   "播放文件格式的有错,无法播放 建议删除");
  } else
  JOptionPane.showMessageDialog(null,
  "此歌曲文件已经不存在,建议删除");
 
 }
 else
  JOptionPane.showMessageDialog(null, "请选择音乐文件");
 }
 });
 stopsound.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 a = 0;
 b = 0;
 you = 0;
 mm=0;
 geshi=false;
 fo = false;
 sldDiameter.setMaximum(100);
 sldDiameter.setValue(0);
 sj1.setText(null);
 sj2.setText(null);
 if (jl.getSelectedIndex() >= 0)
  soumd1.stop();
 
 }
 });
 tjian.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent event) {
 JFileChooser fileChooser = new JFileChooser(); // 实例化文件选择器
 fileChooser
  .setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); // 设置文件选择模式,此处为文件和目录均可
 fileChooser.setCurrentDirectory(new File(".")); // 设置文件选择器当前目录
 fileChooser
  .setFileFilter(new javax.swing.filechooser.FileFilter() {
  public boolean accept(File file) { // 可接受的文件类型
  String name = file.getName().toLowerCase();
  return name.endsWith(".mp3")
   || file.isDirectory();
  }
  public String getDescription() { // 文件描述
  return "音乐文件(*.mp3)";
  }
  });
 if (fileChooser.showOpenDialog(MP3.this) == JFileChooser.APPROVE_OPTION) { // 弹出文件选择器,并判断是否点击了打开按钮
  String fileName = fileChooser.getSelectedFile()
  .getAbsolutePath(); // 得到选择文件或目录的绝对路径
  vector.add(fileName);
  StringBuffer buffer = daoxu(fileName);
  mingcheng.add(buffer);
 }
 }
 });
 shanc.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent event) {
 if (jl.getSelectedIndex() >= 0) {
  mingcheng.removeElementAt(jl.getSelectedIndex());
  vector.removeElementAt(jl.getSelectedIndex());
  jl.setListData(mingcheng);
 }
 }
 });
 jl.addMouseListener(new MouseAdapter() {
 public void mousePressed(MouseEvent event) {
 if (event.getClickCount() == 2) {
  if (jl.getSelectedIndex() >= 0) {
  String yy = (String) vector.get(jl.getSelectedIndex());
  File ff = new File(yy);
  if (ff.exists()) {
  if (yy.matches("[\\S\\s]*.mp3")|| yy.matches("[\\S\\s]*.MP3")) {
  if (soumd1 != null) {
   a = 0;
   b = 0;
   you = 0;
   soumd1.stop();
  }
   soumd1.setMediaLocation("file:/" + yy);
  fo = true;
  soumd1.start();
  geshi=true;
  try {
   Thread.sleep(500);
  } catch (InterruptedException e) {
  }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  if(zongmiao>10000)
  {
   try {
   Thread.sleep(500);
   } catch (InterruptedException e) {
   }
  zongmiao=(int)soumd1.getDuration().getSeconds();
  }
  String aa=fen(zongmiao);
   sj2.setText(aa);
  } else
  JOptionPane.showMessageDialog(null,
   "播放文件格式的有错,无法播放 建议删除");
  } else
  JOptionPane.showMessageDialog(null,
   "此歌曲文件已经不存在,建议删除");
 
  }
 }
 if (event.isMetaDown()) {
  if (jl.getSelectedIndex() >= 0) {
  int a = jl.getSelectedIndex();
  xiugai x = new xiugai();
  jt1.setText(mingcheng.get(jl.getSelectedIndex()) + "");
  jt2.setText(vector.get(jl.getSelectedIndex()) + "");
  }
 }
 }
 });
 addWindowListener(new WindowAdapter() {
 public void windowClosing(WindowEvent e) {
 String s = "c:\\music.txt";
 mmm(vector, mingcheng, s);
 System.exit(0);
  }
 });
 setSize(300, 400);
 setVisible(true);
}
 
public void run() {
 while (true) {
 Date now = new Date();
 //shijian.setText("当前时间: " + now.getYear()+"年"+now.getMonth()+"月"+now.getDate()+"日"+now.getTime());
 shijian.setText("当前时间："+(new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss")).format(new Date())+" 严楷");
 try {
 Thread.sleep(1000);
 } catch (InterruptedException e) {
 }
 if(geshi){
 you=(int)soumd1.getMediaTime().getSeconds();
 mm =you%60;
  if(you!=0)
 if(you%60==0)
 {
  b++;
 }
  sj1.setText(b+":"+mm);
 sldDiameter.setMaximum(zongmiao);
 if(you!=zongmiao)
  sldDiameter.setValue(you);
 else {
  sldDiameter.setValue(0);
 mm=0;
  b=0;
 }
 }
 }
}
 
public StringBuffer daoxu(String fileName) {
 String mc = "";
 for (int i = fileName.length(); i >= 1; i--) {
 if (fileName.charAt(i - 1) == '\\')
 break;
 mc += fileName.charAt(i - 1);
 }
 StringBuffer buffer = new StringBuffer(mc);
 StringBuffer mm = buffer.reverse();
 return mm;
}
 
public void mmm(Vector vector, Vector mingcheng, String lujin) {
 lujin a = new lujin(vector, mingcheng);
 try {
 ObjectOutputStream output = new ObjectOutputStream(new FileOutputStream(lujin));
 output.writeObject(a);
 output.flush();
 output.close();
 } catch (Exception e) {
 
 }
}
public String fen(int yy) {
 fenzhong = (int) yy / 60;
 miaozhong = (int) yy % 60;
 String sss = fenzhong + ":" + miaozhong;
 return sss;
}
 
public static void main(String agrs[]) {
 MP3 s = new MP3();
 Thread t1 = new Thread(s);
 t1.start();
 s.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
 
class xiugai extends JFrame {
 public xiugai() {
 jl1 = new JLabel("文件名");
 jt1 = new JTextField(20);
 jl2 = new JLabel("文件路径");
 jt2 = new JTextField(20);
 xiugai = new JButton("修改");
 Container c = getContentPane();
 c.setLayout(new GridLayout(3, 1));
 JPanel j1 = new JPanel();
 JPanel j2 = new JPanel();
 JPanel j3 = new JPanel();
 j1.add(jl1);
 j1.add(jt1);
 j2.add(jl2);
 j2.add(jt2);
 j3.add(xiugai);
 c.add(j1);
 c.add(j2);
 c.add(j3);
 xiugai.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent event) {
  mingcheng.setElementAt(jt1.getText(), jl.getSelectedIndex());
  vector.setElementAt(jt2.getText(), jl.getSelectedIndex());
  jl.setListData(mingcheng);
  dispose();
 }
 });
 setSize(300, 120);
 setVisible(true);
 }
}
}
 
class lujin implements Serializable {
 
Vector a = new Vector();
 
Vector b = new Vector();
 
public lujin(Vector vector, Vector mingcheng) {
 a = vector;
 b = mingcheng;
}
 
}

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