谁可以帮小弟把打鸟游戏的鸟打下来啊？3Q

[code="java"]
package org.zergle.test.swing.bird;

import java.awt.Rectangle;

import javax.swing.Icon;
import javax.swing.JLabel;

public class Bird extends JLabel {
private static final long serialVersionUID = -7163713521913130484L;
private boolean alive;
private int dir;

/**
 * 创建一只鸟
 * 
 * @param icon
 *            　图片
 * @param dir
 *            飞的方向，1为右，-1为左
 */
public Bird(Icon icon, int dir) {
    this.setIcon(icon);
    this.setOpaque(true);
    this.alive = true;
    this.dir = dir;
}

/**
 * 鸟飞
 * 
 * @param bounds
 *            窗口边界
 */
public void fly(Rectangle bounds) {
    if (this.isAlive()) {
        int x = this.getX();
        int y = this.getY();
        if (x >= bounds.width || x <= 0) {
            x = dir > 0 ? 0 : bounds.width - this.getWidth();
        }
        this.setBounds(x + dir * 2, y, this.getWidth(), this.getHeight());
    }
}

/**
 * 是否活着
 * 
 * @return
 */
public boolean isAlive() {
    return alive;
}

/**
 * 鸟死掉
 */
public void die() {
    this.alive = false;
}

}
[/code]
[code="java"]
package org.zergle.test.swing.bird;

import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Iterator;
import java.util.List;
import java.util.Vector;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;

public class Game extends JFrame {
private static final long serialVersionUID = -2286295699597291897L;

private List<Bird> birds = new Vector<Bird>();

public Game() {
    this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    this.init();
    this.setLayout(null);
    this.setTitle("Hunt Bird");
    this.setSize(400, 280);
    this.setResizable(false);
    this.setVisible(true);

    /* 守护线程更新界面 */
    Thread t = new Thread(new Runnable() {
        public void run() {
            while (!birds.isEmpty()) {
                for (Iterator<Bird> it = birds.iterator(); it.hasNext();) {
                    Bird b = it.next();
                    if (b.isAlive()) {
                        b.fly(getBounds());
                    } else {
                        remove(b);
                        it.remove();
                    }
                }
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                }
                repaint();
            }
            JOptionPane.showMessageDialog(null, "Game Over");
            System.exit(0);
        }
    });
    t.setDaemon(true);
    t.start();
}

/**
 * 初始化鸟及其位置
 */
public void init() {
    ImageIcon ico0 = new ImageIcon(this.getClass().getResource("0.gif"));
    ImageIcon ico1 = new ImageIcon(this.getClass().getResource("1.gif"));
    ImageIcon ico2 = new ImageIcon(this.getClass().getResource("2.gif"));
    ImageIcon ico3 = new ImageIcon(this.getClass().getResource("3.gif"));
    Hunter hunter = new Hunter();

    Bird b0 = new Bird(ico0, -1);
    b0.addMouseListener(hunter);
    b0.setBounds(350, 10, ico0.getIconWidth(), ico0.getIconHeight());

    Bird b1 = new Bird(ico1, 1);
    b1.addMouseListener(hunter);
    b1.setBounds(0, 100, ico1.getIconWidth(), ico1.getIconHeight());

    Bird b2 = new Bird(ico2, -1);
    b2.addMouseListener(hunter);
    b2.setBounds(350, 150, ico2.getIconWidth(), ico2.getIconHeight());

    Bird b3 = new Bird(ico3, 1);
    b3.addMouseListener(hunter);
    b3.setBounds(0, 200, ico3.getIconWidth(), ico3.getIconHeight());

    this.add(b0);
    this.add(b1);
    this.add(b2);
    this.add(b3);
}

public Component add(Component comp) {
    if (comp instanceof Bird) {
        this.birds.add((Bird) comp);
    }
    return super.add(comp);
}

/**
 * 猎鸟人
 * 
 * @author Johnson Lee
 * 
 */
private class Hunter extends MouseAdapter {
    public void mousePressed(MouseEvent e) {
        Object target = e.getSource();
        if (target instanceof Bird) {
            Bird bird = (Bird) target;
            bird.die();
        }
    }
}

/**
 * @param args
 */
public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            new Game();
        }
    });
}

}
[/code]

可以试试将，图片添加到JButton上面，再添加到JPanel上面，然后就可以加事件了

有意思，我先看看。

楼上的代码写的很好