/** * java Swing 单选按钮 * @author gao */ package com.gao; import java.awt.FlowLayout; import javax.swing.ButtonGroup; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.border.EmptyBorder; public class JRadioButtonDemo extends JFrame { public JRadioButtonDemo(){ this.setTitle("单选按钮的使用"); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setBounds(100, 100, 250, 100); JPanel contentPane=new JPanel(); contentPane.setBorder(new EmptyBorder(5,5,5,5)); this.setContentPane(contentPane); contentPane.setLayout(new FlowLayout(FlowLayout.CENTER,5,5)); JRadioButton randioButton1=new JRadioButton("Java"); JRadioButton randioButton2=new JRadioButton("PHP",true); JRadioButton randioButton3=new JRadioButton("C++"); contentPane.add(randioButton1); contentPane.add(randioButton2); contentPane.add(randioButton3); ButtonGroup group=new ButtonGroup(); group.add(randioButton1); group.add(randioButton2); group.add(randioButton3); this.setVisible(true); } public static void main(String[]args){ JRadioButtonDemo example=new JRadioButtonDemo(); } }
/** * Java Swing 复选框 * @author gao */ package com.gao; import java.awt.FlowLayout; import javax.swing.JCheckBox; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; public class JCheckBoxDemo extends JFrame{ public JCheckBoxDemo(){ this.setTitle("复选按钮的使用"); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setBounds(100, 100, 250, 100); JPanel contentPane=new JPanel(); contentPane.setBorder(new EmptyBorder(5,5,5,5)); this.setContentPane(contentPane); contentPane.setLayout(new FlowLayout(FlowLayout.CENTER,5,5)); JCheckBox checkBox1=new JCheckBox("Java"); JCheckBox checkBox2=new JCheckBox("PHP",true); JCheckBox checkBox3=new JCheckBox("C++"); contentPane.add(checkBox1); contentPane.add(checkBox2); contentPane.add(checkBox3); this.setVisible(true); } public static void main(String[]args){ JCheckBoxDemo example=new JCheckBoxDemo(); } }
java Swing 之单选按钮和复选按钮的使用
时间: 2024-12-11 12:59:24