Java中JDialog的舉例

This program demonstrates the creation of a JDialog from a super-window. The created dialog is on the mode "Modal".

[java]

1. package com.han;
3. import java.awt.*;
4. import java.awt.event.ActionEvent;
5. import java.awt.event.ActionListener;
7. import javax.swing.*;
9. /**
10. * This program demonstrates the creation of a JDialog from a super-window.
11. * The created dialog is on the mode "Modal".
12. * @author han
13. *
14. */
15. public class SwingJDialog {
16. public SwingJDialog(){
17. final JFrame jf=new JFrame("彈出窗體實驗");
18. // Some methods defined by Toolkit query the native operating system directly.
19. Dimension screensize=Toolkit.getDefaultToolkit().getScreenSize();
20. int Swing1x=500;
21. int Swing1y=300;
22. jf.setBounds(screensize.width/2-Swing1x/2,screensize.height/2-Swing1y/2,Swing1x,Swing1y);
23. jf.setVisible(true);
24. jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
25. Container c=jf.getContentPane();
26. c.setBackground(Color.pink);
27. c.setLayout(null);
29. Dimension Swing1size=jf.getSize();
30. JButton jb=new JButton("彈出對話窗");
31. int jbx=100;
32. int jby=30;
33. jb.setBounds(Swing1size.width/2-jbx/2,Swing1size.height/2-jby/2,jbx,jby);
34. //jb.setBounds(Swing1x/2-jbx/2,Swing1y/2-jby/2,jbx,jby);
35. c.add(jb);
37. class Dialog1 {
38. JDialog jd=new JDialog(jf,"JDialog窗體",true);
39. Dialog1(){
41. jd.setSize(300,200);
42. Container c2=jd.getContentPane();
43. c2.setLayout(null);
44. JLabel jl=new JLabel("只是一個對話框");
45. jl.setBounds(0,-20,100,100);
46. JButton jbb=new JButton("確定");
47. jbb.setBounds(100,100,60,30);
48. c2.add(jl);
49. c2.add(jbb);
50. jbb.addActionListener(new ActionListener(){
51. @Override
52. public void actionPerformed(ActionEvent e) {
53. jd.dispose();
54. //System.exit(0);
55. }
57. });
58. System.out.println("OK");
60. jd.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
62. }
63. }
65. jb.addActionListener(new ActionListener(){
66. public void actionPerformed(ActionEvent e){
67. new Dialog1().jd.setVisible(true);//彈出對話框
68. System.out.println("OK2");
69. }
70. });
71. System.out.println("OK3");
72. }
74. public static void main(String[] args){
75. new SwingJDialog();
76. }
77. }