import java.awt.event.*;
import javax.swing.*;
{
private JCheckBox c1;
private JCheckBox c2;
private JCheckBox c3;
private JCheckBox c4;
private JCheckBox c5;
private JCheckBox c6;
private JCheckBox c7;
public JCheckBoxFrame(String title)
{
super(title);
setSize(400,500);
//獲得容器
Container container=this.getContentPane();
//設置佈局爲6行一列
container.setLayout(new GridLayout(2,1));
//創建面板一,文字式問卷調查
JPanel pane=new JPanel(new GridLayout(1,4));
//設置面板標題
pane.setBorder(BorderFactory.createTitledBorder("你最喜歡的人是誰??"));
//創建選擇的選項
c1=new JCheckBox("老婆");
c2=new JCheckBox("情人");
c3=new JCheckBox("二奶");
//創建默認選項
c4=new JCheckBox("以上都不喜歡",true);
//添加到面板
pane.add(c1);
pane.add(c2);
pane.add(c3);
pane.add(c4);
//把面板加入到容器中
container.add(pane);
//創建面板二,圖像式JCheckBox
JPanel pane2=new JPanel(new GridLayout(3,1));
pane2.setBorder(BorderFactory.createTitledBorder("你最喜歡的明星是誰??"));
//創建帶有Icon的JCheckBox
c5=new JCheckBox("柳真",new ImageIcon("E://Java//JCreator2.5//picture//liuzhen.jpg"));
c6=new JCheckBox("全智賢",new ImageIcon("E://Java//JCreator2.5//picture//quan.jpg"));
c7=new JCheckBox("宋慧喬",new ImageIcon("E://Java//JCreator2.5//picture//song2.jpg"));
c5.addItemListener(this);
c6.addItemListener(this);
c7.addItemListener(this);
//加入面板
pane2.add(c5);
pane2.add(c6);
pane2.add(c7);
//把面板加入到容器中
container.add(pane2);
}
public void itemStateChanged(ItemEvent evt)
{
if(evt.getStateChange()==evt.SELECTED)
{
if(evt.getSource()==c5)
JOptionPane.showMessageDialog(this,"好小子,有眼光,柳真是我偶像","柳真",JOptionPane.OK_OPTION);
if(evt.getSource()==c6)
JOptionPane.showMessageDialog(this,"眼光一般,沒有柳真好","全知賢",JOptionPane.OK_OPTION);
if(evt.getSource()==c7)
JOptionPane.showMessageDialog(this,"眼光一般,沒有柳真好","宋慧喬",JOptionPane.OK_OPTION);
}
}
}
public class JCheckBoxDemo
{
public static void main(String[] args) throws Exception
{
JCheckBoxFrame frame=new JCheckBoxFrame("JCheckBoxDemo");
// frame.pack();
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}