java图片移动（键盘控制）

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原文地址  http://www.xuebuyuan.com/1591626.htmlimport java.awt.Frame;import java.awt.Graphics;import java.awt.Image;import java.awt.Toolkit;import java.awt.event.KeyAdapter;import java.awt.event.KeyEvent;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;public class Sample extends Frame {private Image img = null;private Image img2 = null;private Image img3 = null;int by = 30;public static void main(String[] args) {new Sample();}public Sample() {this.setSize(803, 603);this.setLocation(100,100);img = Toolkit.getDefaultToolkit().createImage("img/11.jpg");img3 = Toolkit.getDefaultToolkit().createImage("img/11.jpg");img2 = Toolkit.getDefaultToolkit().createImage("img/11.jpg");this.addWindowListener(new WindowAdapter() {public void windowClosing(WindowEvent e) {System.exit(0);}});this.addKeyListener(new KeyAdapter() {public void keyPressed(KeyEvent e) {if(e.getKeyCode() == KeyEvent.VK_RIGHT)by = by + 5;else if(e.getKeyCode() == KeyEvent.VK_LEFT)by = by -5;repaint();}});this.setVisible(true);}public void paint(Graphics g) {g.drawImage(img2, 100, 100,100,100, this);g.drawImage(img3, by, 490,100,100, this);g.drawImage(img, 580, 260,100,100,this);}}

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