GUI-Swing-单选框/复选框

单选框

代码：

 1 package com.luckylu.gui;
 2 
 3 import javax.swing.*;
 4 import java.awt.*;
 5 
 6 public class JRadioButtonDemo extends JFrame {
 7     public JRadioButtonDemo() {
 8         Container container = this.getContentPane();
 9         //单选框
10         JRadioButton radioButton1 = new JRadioButton("radioButton1");
11         JRadioButton radioButton2 = new JRadioButton("radioButton2");
12         JRadioButton radioButton3 = new JRadioButton("radioButton3");
13 
14         //把单选框分到一个组，一个组中实现只能选一个；
15 
16         ButtonGroup group = new ButtonGroup();
17         group .add(radioButton1);
18         group .add(radioButton2);
19         group .add(radioButton3);
20 
21         container.add(radioButton1,BorderLayout.NORTH);
22         container.add(radioButton2,BorderLayout.CENTER);
23         container.add(radioButton3,BorderLayout.SOUTH);
24 
25         this.setVisible(true);
26         this.setTitle("单选框示例");
27         this.setBounds(200,200,300,300);
28         this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
29 
30     }
31 
32     public static void main(String[] args) {
33         new JRadioButtonDemo();
34     }
35 
36 }

结果：

 

 

复选框

代码

 

 1 package com.luckylu.gui;
 2 
 3 import javax.swing.*;
 4 import java.awt.*;
 5 
 6 public class JCheckBoxDemo extends JFrame {
 7     public JCheckBoxDemo() {
 8         Container container = this.getContentPane();
 9 
10         JCheckBox jCheckBox1 = new JCheckBox("jCheckBox1");
11         JCheckBox jCheckBox2 = new JCheckBox("jCheckBox2");
12         JCheckBox jCheckBox3 = new JCheckBox("jCheckBox3");
13 
14         container.add(jCheckBox1,BorderLayout.NORTH);
15         container.add(jCheckBox2,BorderLayout.CENTER);
16         container.add(jCheckBox3,BorderLayout.SOUTH);
17         
18         this.setVisible(true);
19         this.setTitle("多选框示例");
20         this.setBounds(200,200,300,300);
21         this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
22     }
23 
24     public static void main(String[] args) {
25         new JCheckBoxDemo();
26     }
27 }

结果

 

 

posted @ 2022-04-19 15:04  luckylu1983  阅读(62)  评论(0)    收藏  举报