窗口切换

 1 import java.awt.GridLayout;
 2 import java.awt.event.ActionEvent;
 3 import java.awt.event.ActionListener;
 4 
 5 import javax.swing.JButton;
 6 import javax.swing.JFrame;
 7 import javax.swing.JLabel;
 8 import javax.swing.JPanel;
 9 import javax.swing.JTextArea;
10 
11 public class WindowsSwitch {
12     JFrame jf;
13     JButton jb1;
14     JButton jb2;
15     JPanel jp;
16     JLabel jl;
17     public WindowsSwitch() 
18     {
19         jf = new JFrame();
20         jb1 = new JButton("注册");
21         jb2 = new JButton("登录");
22         jp = new JPanel();
23         jl = new JLabel("欢迎使用本程序\n请选择您需要进行的操作");
24         jb1.addActionListener(new ActionListener() {
25             @Override
26             public void actionPerformed(ActionEvent e) {
27                 JFrame jf1 = new JFrame();
28                 JPanel jp1 = new JPanel();
29                 JLabel jl1 = new JLabel("请输入您的手机号和您的个人信息");
30                 JTextArea jta1 = new JTextArea(3,10);
31                 jf.setVisible(false);
32                 jta1.setLineWrap(true);
33                 jp1.add(jl1);
34                 jp1.add(jta1);
35                 jf1.add(jp1);
36                 jf1.setSize(600,200);
37                 jf1.setLocation(800, 400);
38                 jf1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
39                 jf1.setVisible(true);
40             }
41         });
42         jb2.addActionListener(new ActionListener() {
43             @Override
44             public void actionPerformed(ActionEvent e) {
45                 JFrame jf1 = new JFrame();
46                 JPanel jp1 = new JPanel();
47                 JLabel jl1 = new JLabel("登陆成功");
48                 jf.setVisible(false);
49                 jp1.add(jl1);
50                 jf1.add(jp1);
51                 jf1.setSize(200,100);
52                 jf1.setLocation(800, 400);
53                 jf1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
54                 jf1.setVisible(true);
55             }
56         });
57         jp.add(jl);
58         jp.add(jb1); 
59         jp.add(jb2);
60         jf.add(jp);
61         jf.setSize(300,100);
62         jf.setLocation(800, 400);
63         jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
64         jf.setVisible(true);
65     }
66     public static void main(String[] args) {
67         new WindowsSwitch();
68 
69     }
70 
71 
72 }