Java编写类似Flash的播放器

import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; import java.applet.*; import java.net.*; import java.util.ArrayList; import java.io.*; public class SlideShow extends JFrame implements ActionListener, WindowListener, Runnable{ Thread pictureThread; boolean flag=true; Panel bottomPanel; MediaTracker mt; ArrayList<Image> p=new ArrayList<Image>(); AudioClip b_n, recv,musicAudio; Toolkit tk; JButton auto,back,next,recover,exit; int count,count1; String[] musicList,pictureList; JSlider jSlider1; JTextField textField1; JLabel label1,label2; public SlideShow() { super( "SlideShow（Java幻灯片播放器）" ); setBounds(280,60, 960, 540 ); getContentPane().setLayout(new BorderLayout()); bottomPanel = new Panel(); bottomPanel.setBackground(new Color(230, 230, 250)); pictureThread = new Thread(this); count = 0; count1 = 0; mt=new MediaTracker(this); URL musicUrl=SlideShow.class.getResource("/music"); URL pictureUrl=SlideShow.class.getResource("/pictures"); try { musicList= Filelist.fileList(new File(musicUrl.toURI())); pictureList=Filelist.fileList(new File(pictureUrl.toURI())); } catch (Exception e) { // TODO: handle exception } for (int i = 0; i <pictureList.length; i++) { p.add(Toolkit.getDefaultToolkit().getImage(SlideShow.class.getResource("/pictures/" + pictureList[i]))); mt.addImage(p.get(i), i); } b_n = Applet.newAudioClip(SlideShow.class.getResource("/clicksound/back_next.au")); recv = Applet.newAudioClip(SlideShow.class.getResource("/clicksound/recover.au")); musicAudio=Applet.newAudioClip(SlideShow.class.getResource("/music/夜的钢琴曲.wav")); label2 = new JLabel("音乐"); label2.setFont(new Font("宋体", Font.PLAIN, 11)); bottomPanel.add(label2); MusicJComboBox musicComboBox= new MusicJComboBox(musicList); musicComboBox.setFont(new Font("宋体", Font.PLAIN, 11)); bottomPanel.add(musicComboBox); jSlider1=new JSlider(); jSlider1.setFont(new Font("宋体", Font.PLAIN, 10)); jSlider1.setValue(1); jSlider1.setMaximum(10); //设置是否在JSlider加上刻度 jSlider1.setPaintTicks(true); //设置大刻度之间的距离 jSlider1.setMajorTickSpacing(1); //设置与小刻度之间的距离 jSlider1.setMinorTickSpacing(1); //设置是否数字标记，若设为true，则JSlider刻度上就会有数值出现 jSlider1.setPaintLabels(true); bottomPanel.add(jSlider1); jSlider1.addChangeListener ( new ChangeListener() { public void stateChanged(ChangeEvent e) { textField1.setText(Integer.toString(jSlider1.getValue())); } } ); textField1 = new JTextField( 2 ); bottomPanel.add( textField1 ); textField1.setText("1"); textField1.addActionListener ( new ActionListener() { public void actionPerformed(ActionEvent event) { int num = 0; try{ num = Integer.parseInt(textField1.getText()); } catch(NumberFormatException yb) { textField1.setText("输入错误"); } } } ); label1 = new JLabel("自动播放速度（秒/张）"); label1.setFont( new Font("宋体", Font.PLAIN, 9) ); bottomPanel.add(label1); auto = new JButton("自动播放图片"); auto.setFont(new Font("宋体", Font.PLAIN, 12)); bottomPanel.add(auto); recover = new JButton("回到第一张"); recover.setFont(new Font("宋体", Font.PLAIN, 12)); bottomPanel.add(recover); back = new JButton("上一张"); back.setFont(new Font("宋体", Font.PLAIN, 12)); bottomPanel.add(back); next = new JButton("下一张"); next.setFont(new Font("宋体", Font.PLAIN, 12)); bottomPanel.add(next); exit = new JButton("退出"); exit.setFont(new Font("宋体", Font.PLAIN, 12)); bottomPanel.add(exit); setVisible( true ); back.addActionListener(this); next.addActionListener(this); recover.addActionListener(this); auto.addActionListener(this); exit.addActionListener(this); getContentPane().add(bottomPanel, BorderLayout.SOUTH); addWindowListener(this); } //音乐的切换 class MusicJComboBox extends JComboBox { public MusicJComboBox(String[] items) { super(items); this.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent e) { int choose = e.getStateChange(); String musicItem = e.getItem().toString(); if (choose == ItemEvent.SELECTED) { musicAudio.stop(); musicAudio= Applet.newAudioClip(SlideShow.class.getResource("/music/"+ musicItem)); musicAudio.loop(); } else if (choose == ItemEvent.DESELECTED) { return; } } }); } } public void paint(Graphics g) { for (int i = 0; i < p.size(); i++) { if (count==i) { g.drawImage(p.get(i),0,0,960,540,this); } } } public void update(Graphics g) { paint(g); } public void actionPerformed(ActionEvent ae) { if(ae.getSource() == exit) { dispose(); setVisible(false); System.exit(0); } if(ae.getSource() == next) { b_n.play(); if(count < p.size()) { count++; repaint(); } } if(ae.getSource() == back) { b_n.play(); if(count == 0) count=0; if(count > 0) { count--; repaint(); } } if(ae.getSource() == recover) { recv.play(); pictureThread.suspend(); count=0; repaint(); } if(ae.getSource() == auto) { b_n.play(); if(count1 < 1) { pictureThread.start(); count1++; } else { pictureThread.resume(); //resumes the thread } } } public void run() { while(flag){ try { for(int i=1;i>0;i++) { pictureThread.sleep(1000*Integer.parseInt(textField1.getText())); count++; if(count >=p.size()) { flag=false; count = 0; } repaint(); } } catch(InterruptedException e) { return; } } } //handling window events public void windowClosing(WindowEvent we) { dispose(); setVisible(false); System.exit(0); } @Override public void windowOpened(WindowEvent e) { musicAudio.loop(); } @Override public void windowClosed(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowIconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowDeiconified(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowActivated(WindowEvent e) { // TODO Auto-generated method stub } @Override public void windowDeactivated(WindowEvent e) { // TODO Auto-generated method stub } public static void main( String args[] ) { SlideShow pictureSlideShow=new SlideShow(); pictureSlideShow.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); } } class Filelist { public static String[] fileList(File f) { String[] list; File[] files = f.listFiles(); list=new String[files.length]; for(int i = 0; i< files.length;i++){ list[i] = files[i].getName(); } return list; } }