图片幻灯片切换特效用Java写的

/* * www.codefans.net */ //imports import java.awt.*; import java.awt.event.*; import java.applet.*; import java.net.*; import java.io.*; public class SR_Slider extends Frame implements ActionListener, WindowListener, Runnable { public static void main(String Pagli[]) { new SR_Slider(); } Thread time; //new thread File fl; URL dir; MediaTracker mt; //here you can use an array Image p1, p2, p3, p4, p5, p6, p7; About ab; //instance of About class Panel bottom; AudioClip b_n, rfs; Toolkit tk; Dimension dim; Button back, next, refresh, auto, abt, ext; Color sky; Font f; int count, x; public SR_Slider() { setTitle("SR-Slider 1.0"); setLayout(new BorderLayout()); bottom = new Panel(); time = new Thread(this); sky = new Color(0,140,255); //color - skyblue f = new Font("Courier",Font.BOLD,16); count = 0; x = 0; mt=new MediaTracker(this); try { //getting all images and add them to the MediaTracker p1 = Toolkit.getDefaultToolkit().getImage("Image/p1.jpg"); mt.addImage(p1, 0); p2 = Toolkit.getDefaultToolkit().getImage("Image/p2.jpg"); mt.addImage(p2, 1); p3 = Toolkit.getDefaultToolkit().getImage("Image/p3.jpg"); mt.addImage(p3, 2); p4 = Toolkit.getDefaultToolkit().getImage("Image/p4.jpg"); mt.addImage(p4, 3); p5 = Toolkit.getDefaultToolkit().getImage("Image/p5.jpg"); mt.addImage(p5, 4); p6 = Toolkit.getDefaultToolkit().getImage("Image/p6.jpg"); mt.addImage(p6, 5); p7 = Toolkit.getDefaultToolkit().getImage("Image/p7.jpg"); mt.addImage(p7, 6); fl = new File("user.dir"); dir = fl.toURL(); b_n = Applet.newAudioClip(new URL(dir, "Sound/bk_nxt.au")); rfs = Applet.newAudioClip(new URL(dir, "Sound/rfsh.au")); } catch(MalformedURLException e) { //do nothing! } //designing back button back=new Button("Back"); back.setFont(f); back.setBackground(sky); back.setForeground(Color.white); //designing next button next=new Button("Next"); next.setFont(f); next.setBackground(sky); next.setForeground(Color.white); //designing refresh button refresh=new Button("Reset"); refresh.setFont(f); refresh.setBackground(sky); refresh.setForeground(Color.white); //designing auto button auto=new Button("SlideShow"); auto.setFont(f); auto.setBackground(sky); auto.setForeground(Color.white); //designing abt button abt=new Button("About"); abt.setFont(f); abt.setBackground(sky); abt.setForeground(Color.white); //designing ext button ext=new Button("Exit"); ext.setFont(f); ext.setBackground(sky); ext.setForeground(Color.white); //adding ActionListener to all buttons back.addActionListener(this); next.addActionListener(this); refresh.addActionListener(this); auto.addActionListener(this); abt.addActionListener(this); ext.addActionListener(this); //adding all components to the Frame bottom.add(back); bottom.add(next); bottom.add(refresh); bottom.add(auto); bottom.add(abt); bottom.add(ext); add(bottom, BorderLayout.SOUTH); addWindowListener(this); tk = this.getToolkit(); dim = tk.getScreenSize(); //getting the current screen resolution setBounds(dim.width/6, dim.height/6, 540, 420); setResizable(false); setVisible(true); } public void paint(Graphics g) { if(count < 1) g.drawImage(p1, 0, 0, this); if(count == 1) g.drawImage(p2, 0, 0, this); if(count == 2) g.drawImage(p3, 0, 0, this); if(count == 3) g.drawImage(p4, 0, 0, this); if(count == 4) g.drawImage(p5, 0, 0, this); if(count == 5) g.drawImage(p6, 0, 0, this); if(count == 6) g.drawImage(p7, 0, 0, this); } public void update(Graphics g) { paint(g); } public void actionPerformed(ActionEvent ae) { if(ae.getSource() == ext) { dispose(); setVisible(false); System.exit(0); } if(ae.getSource() == next) { b_n.play(); if(count < 7) { count++; repaint(); } } if(ae.getSource() == back) { b_n.play(); if(count == 0) count=0; if(count > 0) { count--; repaint(); } } if(ae.getSource() == refresh) { rfs.play(); time.suspend(); //suspends the thread count=0; repaint(); } if(ae.getSource() == auto) { b_n.play(); if(x < 1) { time.start(); x++; } else { time.resume(); //resumes the thread } } if(ae.getSource() == abt) { ab = new About(); } } public void run() { try { for(int i=1;i>0;i++) { b_n.play(); time.sleep(3000); count++; if(count > 6) { time.suspend(); //suspends the thread count = 0; } repaint(); } } catch(InterruptedException e) { //do nothing! } } //handling window events public void windowClosing(WindowEvent we) { dispose(); setVisible(false); System.exit(0); } public void windowClosed(WindowEvent we) { //do nothing! } public void windowOpened(WindowEvent we) { //do nothing! } public void windowActivated(WindowEvent we) { //do nothing! } public void windowDeactivated(WindowEvent we) { //do nothing! } public void windowIconified(WindowEvent we) { //do nothing! } public void windowDeiconified(WindowEvent we) { //do nothing! } class About extends Frame implements WindowListener { Font f, f2; private About() { setTitle("About"); setLayout(new FlowLayout()); f = new Font("Verdana", Font.BOLD, 20); f2 = new Font("Verdana", Font.PLAIN, 12); addWindowListener(this); tk = this.getToolkit(); dim = tk.getScreenSize(); //getting the current screen resolution setBounds(dim.width/4, dim.height/4, 300, 190); setResizable(false); setVisible(true); } public void paint(Graphics g) { g.setColor(Color.red); g.setFont(f); g.drawString("SR-Slider 1.0", 10, 60); g.setColor(Color.black); g.setFont(f2); g.drawString("Author: Mohammad Ahsanul Haque Shovon", 10, 90); g.drawString("http://www29.websamba.com/shovon", 10, 110); g.drawString("ahsanul_haque_shovon@yahoo.com", 10, 130); g.drawString("(C) ShuvoRim Pvt. Ltd.", 10, 150); g.drawString("All rights reserved.", 10, 170); } //handling window events public void windowClosing(WindowEvent we) { dispose(); setVisible(false); } public void windowClosed(WindowEvent we) { //do nothing! } public void windowOpened(WindowEvent we) { //do nothing! } public void windowActivated(WindowEvent we) { //do nothing! } public void windowDeactivated(WindowEvent we) { //do nothing! } public void windowIconified(WindowEvent we) { //do nothing! } public void windowDeiconified(WindowEvent we) { //do nothing! } } }