paneldemo.txt

来自「JAVA的一些基础教程」· 文本 代码 · 共 43 行

1: import java.awt.*; 
2: import java.awt.event.*; 
3: 
4: public class PanelDemo extends Frame
5: { 
6:    Button btnOnFrame; 
7:    Button btnOnPanel; 
8: 
9:    public PanelDemo()
10:    { 
11:       btnOnFrame = new Button("在FRAME容器中"); 
12:       add("North",btnOnFrame); 
13: 
14:       Panel p = new Panel();
15:       p.setBackground(Color.red);
16:       btnOnPanel = new Button("在PANEL容器中");
17:       p.add(btnOnPanel);
18: 
19:       add("Center",p);
20: 
21:       addWindowListener(new WinCloser()); 
22:       setTitle("Using a Dialog"); 
23:       setBounds( 100, 100, 300, 300); 
24:       setVisible(true); 
25: 
26:    } 
27: 
28: 
29:    public static void main(String[] args) 
30:    { 
31:       new PanelDemo(); 
32:    } 
33: 
34: } 
35: 
36: class WinCloser extends WindowAdapter 
37: { 
38:    public void windowClosing(WindowEvent e) 
39:    { 
40:       System.exit(0); 
41:    } 
42: }