java实现简单猜数字的方法

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class Bingo extends JFrame implements ActionListener {
JFrame frame;
JMenuBar topBbr;
JMenu menuQ;
JMenu menuF;
JMenuItem start = new JMenuItem("开始(n)");
JMenuItem out = new JMenuItem("不玩了(e)");
JMenuItem help = new JMenuItem("帮助(h)");
JMenuItem about = new JMenuItem("关于(a)");
JPanel panelMain = new JPanel(new BorderLayout());
JPanel panelNext = new JPanel(new BorderLayout());
JButton btnStart;
JPanel jp1, jp2, jp3, jp4;

public static void main(String[] args) {
new Bingo();
}

public Bingo() {
frame = new JFrame();
topBbr = new JMenuBar();
frame.setTitle("王氏猜数字游戏1.0版");
frame.setSize(400, 320);
frame.setLocation(450, 240);
frame.setLayout(getLayout());
// frame.setLayout(new FlowLayout());
menuQ = new JMenu("游戏(q)");
menuQ.add(start);
menuQ.add(out);
menuF = new JMenu("帮助(f)");
ImageIcon icon = new ImageIcon("imgs/logo.jpg");
btnStart = new JButton(icon);
JButton caiButton = new JButton("猜一猜");
JButton congButton = new JButton("重新来");
JTextField text = new JTextField(6);
JLabel mes = new JLabel("  请你输入一个2位数");
menuF.add(help);
menuF.add(about);
topBbr.add(menuQ);
topBbr.add(menuF);
frame.setJMenuBar(topBbr);
panelMain.add("Center", btnStart);
frame.add(panelMain);
frame.setResizable(false);
frame.setVisible(true);
// Image im = new ImageIcon("imgs/logo.jpg").getImage();
// im = im.getScaledInstance(-1, 90, DO_NOTHING_ON_CLOSE);
// setIconImage(im);
start.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
panelMain.setVisible(false);
start.setEnabled(false);
frame.add(panelNext);
jp1 = new JPanel();
jp2 = new JPanel(new GridLayout(2, 1));
jp3 = new JPanel();
JLabel top = new JLabel("??");
// top.setBackground(new Color(100, 100, 0, 100));
// top.setOpaque(true);
JLabel jb = new JLabel(" ");
JLabel jb2 = new JLabel(
" ");
top.setFont(new Font("隶体", Font.BOLD, 100));
top.setForeground(Color.yellow);
jp1.add(top);
jp2.add(mes);
jp2.add(text);
jp3.add(caiButton);
jp3.add(congButton);
panelNext.add("North", jp1);
panelNext.add("Center", jp2);
panelNext.add("West", jb);
panelNext.add("East", jb2);
panelNext.add("South", jp3);
panelNext.setVisible(true);
}
});
// 开始监听1
btnStart.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
start.setEnabled(false);
panelMain.setVisible(false);
frame.add(panelNext);
jp1 = new JPanel();
jp2 = new JPanel(new GridLayout(2, 1));
jp3 = new JPanel();
JLabel top = new JLabel("??");
// top.setBackground(new Color(100, 100, 0, 100));
// top.setOpaque(true);
JLabel jb = new JLabel("     ");
JLabel jb2 = new JLabel("     ");
top.setFont(new Font("隶体", Font.BOLD, 100));
top.setForeground(Color.yellow);
jp1.add(top);
jp2.add(mes);
jp2.add(text);
jp3.add(caiButton);
jp3.add(congButton);
panelNext.add("North", jp1);
panelNext.add("Center", jp2);
panelNext.add("West", jb);
panelNext.add("East", jb2);
panelNext.add("South", jp3);
panelNext.setVisible(true);
}
});
// 退出监听
out.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
frame.setVisible(false);

}
});
// 帮助监听
help.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(null, "请按开始进行游戏！就是猜数字而已，就不多说了！",
"帮助", JOptionPane.PLAIN_MESSAGE);
}
});
// 关于监听
about.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(frame, "谢谢尝脸试玩！", "3Q",
JOptionPane.WARNING_MESSAGE);
}
});
// 开始监听2
caiButton.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
Random x = new Random();
int y = x.nextInt(100);
try {
int num = Integer.parseInt(text.getText());
if (num > y) {
mes.setText("  你输入的" + num + "大了哦！");
if (num > 99) {
mes.setText("  请输入小于99的数字!");
}
}else if(num == y){
mes.setText("  恭喜你猜对了哦！");
} 
else{
mes.setText("  你输入的" + num + "小了哦！");
if (num < 1) {
mes.setText("  请输入大于0的数字!");
}
} 
} catch (Exception e2) {
mes.setText("  请输入0-99的数字!");
}
}
});
// 重置监听
congButton.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
text.setText("");
}
});

}

@Override
public void actionPerformed(ActionEvent e) {
}
}