Go语言视频零基础入门到精通

javalearner

1. import java.awt.*;
   
2. import java.awt.event.*;
   
3. public class RemoveButton {
   
4.   public static void main(String[] args) {
   
5.     MyFrame frame = new MyFrame();
   
6.     frame.setVisible(true);
   
7.   }
   
8. }
   
9. class MyButton extends Button {
   
10.     private int frameWidth;
    
11.     private int frameHeight;
    
12.     public MyButton(String label, int width, int height) {
    
13.      super(label);
    
14.      this.frameWidth = width;
    
15.      this.frameHeight = height;
    
16.      this.addMouseListener(new MouseAdapter() {
    
17.        public void mouseEntered(MouseEvent e) {
    
18.          int x = (int)(Math.random() * (frameWidth - getWidth()));
    
19.         int y = (int)(Math.random() * (frameHeight - getHeight() - 30));
    
20.         setLocation(x, y + 30); } });
    
21.      }
    
22.   }
    
23.    class MyFrame extends Frame {
    
24.      public MyFrame() {
    
25.         this.setSize(500, 500);
    
26.          // new qdmmy6.Custom().setCenter(this);
    
27.        this.setLayout(new FlowLayout());
    
28.        Label label = new Label("免费送你一本JAVA书，你要吗？");
    
29.        MyButton submit = new MyButton("确 定", this.getWidth(), this.getHeight());
    
30.        Button button = new Button("取 消");
    
31.        this.add(label);
    
32.        this.add(submit);
    
33.        this.add(button);
    
34.        button.addActionListener(new ActionListener() {
    
35.         public void actionPerformed(ActionEvent evt) {
    
36.          System.exit(0); } });
    
37.    }
    
38. }
    

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源码下载：http://file.javaxxz.com/2014/11/2/235541890.zip