运行过了，效果绝对让你满意！呵呵……
说明：
要在E:目录下放置好“头像6.jpg”和“头像5.jpg”作为回答正确、回答错误时候要显示的图片。（当然啦，你放在项目的根目录下都可以，只要稍微改一下那个路径就可以了）
import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Dimension;
import javax.swing.JLabel;
import java.awt.Rectangle;
import javax.swing.JRadioButton;
import javax.swing.ImageIcon;
import javax.swing.*;
public class EGshiti extends JFrame {
private static final long serialVersionUID = 1L;
private JPanel jContentPane = null;
private JLabel jLabel = null;
private JLabel jLabel1 = null;
private JRadioButton jRadioButton = null;
private JRadioButton jRadioButton1 = null;
private JRadioButton jRadioButton2 = null;
private JLabel jLabel2 = null;
private JLabel jLabel3 = null;
private ButtonGroup bg=null;
/**
* This is the default constructor
*/
public EGshiti() {
super();
initialize();
}
/**
* This method initializes this
*
* @return void
*/
private void initialize() {
this.setSize(336, 291);
this.setContentPane(getJContentPane());
this.setTitle("英语试题");
this.setVisible(true);
this.addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent e) {
System.exit(0);
}
});
}
/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
if (jContentPane == null) {
jLabel3 = new JLabel();
jLabel3.setBounds(new Rectangle(135, 67, 85, 74));
jLabel3.setText("");
jLabel2 = new JLabel();
jLabel2.setBounds(new Rectangle(20, 155, 256, 18));
jLabel1 = new JLabel();
jLabel1.setBounds(new Rectangle(15, 36, 155, 18));
jLabel1.setText("（ ） some flowers for you");
jLabel = new JLabel();
jLabel.setBounds(new Rectangle(15, 14, 39, 18));
jLabel.setText("题目：");
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(jLabel, null);
jContentPane.add(jLabel1, null);
jContentPane.add(getJRadioButton(), null);
jContentPane.add(getJRadioButton1(), null);
jContentPane.add(getJRadioButton2(), null);
jContentPane.add(jLabel2, null);
jContentPane.add(jLabel3, null);
bg=new ButtonGroup();
bg.add(jRadioButton);
bg.add(jRadioButton1);
bg.add(jRadioButton2);
}
return jContentPane;
}
/**
* This method initializes jRadioButton
*
* @return javax.swing.JRadioButton
*/
private JRadioButton getJRadioButton() {
if (jRadioButton == null) {
jRadioButton = new JRadioButton();
jRadioButton.setBounds(new Rectangle(16, 60, 88, 26));
jRadioButton.setText("A.给你的花");
jRadioButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
jLabel3.setIcon(new ImageIcon("E:\\头像6.jpg"));
jLabel2.setText("正确答案：A。原因不用解释了吧~~呵呵……");
}
});
}
return jRadioButton;
}
/**
* This method initializes jRadioButton1
*
* @return javax.swing.JRadioButton
*/
private JRadioButton getJRadioButton1() {
if (jRadioButton1 == null) {
jRadioButton1 = new JRadioButton();
jRadioButton1.setBounds(new Rectangle(16, 90, 88, 26));
jRadioButton1.setText("B.给他的花");
jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
jLabel3.setIcon(new ImageIcon("E:\\头像5.jpg"));
jLabel2.setText("正确答案：A。原因不用解释了吧~~呵呵……");
}
});
}
return jRadioButton1;
}
/**
* This method initializes jRadioButton2
*
* @return javax.swing.JRadioButton
*/
private JRadioButton getJRadioButton2() {
if (jRadioButton2 == null) {
jRadioButton2 = new JRadioButton();
jRadioButton2.setBounds(new Rectangle(16, 123, 88, 26));
jRadioButton2.setText("C.给她的花");
jRadioButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
jLabel3.setIcon(new ImageIcon("E:\\头像5.jpg"));
jLabel2.setText("正确答案：A。原因不用解释了吧~~呵呵……");
}
});
}
return jRadioButton2;
}
public static void main(String args[]){
new EGshiti();
}
} // @jve:decl-index=0:visual-constraint="10,10"
