日期:2014-05-20 浏览次数:20975 次
import java.awt.*; import java.awt.event.KeyEvent; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; public class App_0622 extends JFrame { /** * @param args */private JLabel lbl; Container c=getContentPane(); public App_0622() { super("Image"); c.setLayout(new FlowLayout()); lbl=new JLabel(new ImageIcon("2.png")); c.add(lbl); //setSize(460,650); c.addKeyListener(new hand()); setVisible(true); } class hand extends KeyAdapter { public void keypressed(KeyEvent e) { if(e.getKeyChar()=='r') { for(int i=0;i<30;i++) { try { Thread.sleep(70); c.setSize(16*i,22*i); } catch(InterruptedException q) { } } } if(e.getKeyChar()=='p') { for( int i=29;i>0;i--) { try { Thread.sleep(70); c.setSize(16*i,22*i); } catch(InterruptedException q) { } } } } } public static void main(String[] args) { // TODO Auto-generated method stub App_0622 App=new App_0622(); } }
import java.awt.*; import java.awt.event.KeyEvent; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; public class App_0622 extends JFrame { /** * @param args */private JLabel lbl; Container c=getContentPane(); public App_0622() { super("Image"); c.setLayout(new FlowLayout()); lbl=new JLabel(new ImageIcon("2.png")); c.add(lbl); //setSize(460,650); addKeyListener(new hand()); //这里应该是给JFrame加监听 setVisible(true); } class hand extends KeyAdapter { public void keyPressed(KeyEvent e) //这里写错了,你写成keypressed了 { if(e.getKeyChar()=='r') { System.out.println("r"); for(int i=0;i<30;i++) { try { Thread.sleep(70); setSize(16*i,22*i); //这里应该是设置JFrame的大小 } catch(InterruptedException q) { } } } if(e.getKeyChar()=='p') { System.out.println("p"); for( int i=29;i>0;i--) { try { Thread.sleep(70); setSize(16*i,22*i); //这里应该是设置JFrame的大小 } catch(InterruptedException q) { } } } } } public static void main(String[] args) { // TODO Auto-generated method stub App_0622 App=new App_0622(); } }
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