本文實例為大家分享了java實現(xiàn)簡單音樂播放器的具體代碼，供大家參考，具體內容如下
主要是用到java中的swing技術，以及JMFjar中的API
備注：需要用JDK1.8才能播放音樂MP3
package baidu; import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.*; import javax.swing.*; import javax.media.bean.playerbean.*; //這個包要用到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簡單音樂播放器--嚴楷"); 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("開始播放"); loopSound = new JButton("循環(huán)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("刪除"); duqu = new JButton("讀取"); 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盤沒有保存音樂文件"); //e.printStackTrace(); } baocun.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { JFileChooser fileChooser = new JFileChooser(); // 實例化文件選擇器 fileChooser .setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); // 設置文件選擇模式,此處為文件和目錄均可 if (fileChooser.showSaveDialog(MP3.this) == JFileChooser.APPROVE_OPTION) { // 彈出文件選擇器,并判斷是否點擊了打開按鈕 String fileName = fileChooser.getSelectedFile() .getAbsolutePath(); // 得到選擇文件或目錄的絕對路徑 mmm(vector, mingcheng, fileName); } } }); duqu.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { JFileChooser fileChooser = new JFileChooser(); // 實例化文件選擇器 fileChooser .setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); // 設置文件選擇模式,此處為文件和目錄均可 if (fileChooser.showOpenDialog(MP3.this) == JFileChooser.APPROVE_OPTION) { // 彈出文件選擇器,并判斷是否點擊了打開按鈕 String fileName = fileChooser.getSelectedFile() .getAbsolutePath(); // 得到選擇文件或目錄的絕對路徑 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("[Ss]*.mp3")|| yy.matches("[Ss]*.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, "播放文件格式的有錯,無法播放 建議刪除"); } else JOptionPane.showMessageDialog(null, "此歌曲文件已經不存在,建議刪除"); } else JOptionPane.showMessageDialog(null, "請選擇音樂文件"); } }); 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("[Ss]*.mp3")|| yy.matches("[Ss]*.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, "播放文件格式的有錯,無法播放 建議刪除"); } else JOptionPane.showMessageDialog(null, "此歌曲文件已經不存在,建議刪除"); } else JOptionPane.showMessageDialog(null, "請選擇音樂文件"); } }); 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(); // 實例化文件選擇器 fileChooser .setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES); // 設置文件選擇模式,此處為文件和目錄均可 fileChooser.setCurrentDirectory(new File(".")); // 設置文件選擇器當前目錄 fileChooser .setFileFilter(new javax.swing.filechooser.FileFilter() { public boolean accept(File file) { // 可接受的文件類型 String name = file.getName().toLowerCase(); return name.endsWith(".mp3") || file.isDirectory(); } public String getDescription() { // 文件描述 return "音樂文件(*.mp3)"; } }); if (fileChooser.showOpenDialog(MP3.this) == JFileChooser.APPROVE_OPTION) { // 彈出文件選擇器,并判斷是否點擊了打開按鈕 String fileName = fileChooser.getSelectedFile() .getAbsolutePath(); // 得到選擇文件或目錄的絕對路徑 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("[Ss]*.mp3")|| yy.matches("[Ss]*.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, "播放文件格式的有錯,無法播放 建議刪除"); } else JOptionPane.showMessageDialog(null, "此歌曲文件已經不存在,建議刪除"); } } 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("當前時間: " + now.getYear()+"年"+now.getMonth()+"月"+now.getDate()+"日"+now.getTime()); shijian.setText("當前時間："+(new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss")).format(new Date())+" 嚴楷"); 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("文件路徑"); 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; } }以上就是長沙達內教育java培訓機構小編分享的“用Java實現(xiàn)簡單音樂播放器”的內容，希望對大家有幫助，更多java面試題請繼續(xù)關注長沙達內教育java培訓機構官網(wǎng)，每天會精彩內容分享與你
