首先创建项目，new一个JFrame类，先修改一下logo，把默认小咖啡换掉顺便让窗口运行时自动居中
默认logo
更换logo后,导出的jar包和状态栏的图标都会随之改变
//更换logo
Image icon = Toolkit.getDefaultToolkit().getImage("logo.png");
frame.setIconImage(icon);
//居中
frame.setLocationRelativeTo(null);
更换后效果
先加两个按钮,为了美观隐藏焦点框
JButton btnYes = new JButton("好");
btnYes.setFont(new Font("幼圆", Font.PLAIN, 15));
btnYes.setBackground(Color.PINK);
//隐藏焦点框
btnYes.setFocusPainted(false);
btnYes.setBounds(74, 240, 95, 30);
contentPane.add(btnYes);
JButton btnNo = new JButton("不好");
btnNo.setFont(new Font("幼圆", Font.PLAIN, 15));
btnNo.setFocusPainted(false);
btnNo.setBackground(Color.PINK);
btnNo.setBounds(244, 240, 95, 30);
contentPane.add(btnNo);
加两个按钮
在给按钮设置监听器前,我们先要获取一下当前窗口的大小,然后写一个生成随机按钮位置的方法,这里需要给这个方法传两个参数就是上面获取的窗口长和宽,防止按钮跑到窗口外面去
//按钮随机位置
public static void randomButton() {
//获取窗口大小
Dimension size = frame.getSize();
int ww = (int) size.getWidth();
int wh = (int) size.getHeight();
System.out.println(ww+","+wh);
//设置按钮位置
int bw = new Random().nextInt(ww-100);
int bh = new Random().nextInt(wh-100);
btnNo.setBounds(bw, bh, 95, 30);
}
现在为"不好"按钮添加鼠标事件然后在mouseEntered方法下调用randomButton()就可实现按钮乱跑的效果了
btnNo.addMouseListener(new MouseListener() {
@Override
public void mouseReleased(MouseEvent e) {
System.out.println("释放");
}
@Override
public void mousePressed(MouseEvent e) {
System.out.println("按下");
}
@Override
public void mouseExited(MouseEvent e) {
System.out.println("离开");
}
@Override
public void mouseEntered(MouseEvent e) {
System.out.println("进入");
//按钮随机位置
randomButton();
}
@Override
public void mouseClicked(MouseEvent e) {
System.out.println("单击");
}
});
效果
我们加上文字和图片
JLabel lblNewLabel = new JLabel("小姐姐！");
lblNewLabel.setFont(new Font("幼圆", Font.PLAIN, 22));
lblNewLabel.setForeground(new Color(255, 20, 147));
lblNewLabel.setBounds(60, 45, 95, 37);
contentPane.add(lblNewLabel);
JLabel label = new JLabel("做我女朋友好不好？！");
label.setForeground(new Color(255, 20, 147));
label.setFont(new Font("幼圆", Font.PLAIN, 20));
label.setBounds(32, 110, 206, 30);
contentPane.add(label);
JLabel limg1 = new JLabel(new ImageIcon("a.png"));
limg1.setBounds(217, 86, 165, 154);
contentPane.add(limg1);
JLabel limg2 = new JLabel(new ImageIcon("mua.png"));
limg2.setBounds(266, 202, 147, 134);
contentPane.add(limg2);
limg2.setVisible(false);
JLabel limg3 = new JLabel(new ImageIcon("ye.png"));
limg3.setBounds(-13, -17, 123, 126);
contentPane.add(limg3);
limg3.setVisible(false);
接下来把标题栏的关闭按钮改一下,不然直接退出了就不好玩了emmm
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
// 弹出提示
JOptionPane.showMessageDialog(null, "你还没选呢!", "不行!", JOptionPane.PLAIN_MESSAGE);
}
});
点击关闭
最后,给"好"按钮加上监听事件
btnYes.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// 换图片
limg1.setVisible(false);
limg2.setVisible(true);
limg3.setVisible(true);
lblNewLabel.setVisible(false);
label.setVisible(false);
// 弹出提示
JOptionPane.showMessageDialog(null, "获得男朋友一个!", "恭喜!", JOptionPane.PLAIN_MESSAGE);
System.exit(0);
}
});
点击"好"
到这里差不多就完成了,也就一百多行代码,做的比较粗糙有空再优化,最后完整演示一下
最终效果
