import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import java.awt.event.*;
import java.lang.Math;
public class GuessWindow extends JFrame //implements ActionListener
{
GuessWindow()
{
JFrame win=new JFrame("猜数字小游戏");
setLocation(200, 200);
setSize(250, 250);
win.validate();
win.setVisible(true);
GridLayout grid = new GridLayout(2,2,25,15);
JPanel p = new JPanel(grid);
p.add(new JLabel("获取[1,10)之间的随机数:"));
JButton button =new JButton("得到一个随机数");
p.add(button);
p.add(new JLabel("请输入您的猜测:"));
JTextField guess = new JTextField(20);
p.add(guess);
Box bb,p1,p2;
bb=Box.createVerticalBox();
p1=Box.createHorizontalBox();
bb.add(p);
p1.add(new JLabel("单击确定按钮"));
p1.add(Box.createHorizontalStrut(10));
JButton queding =new JButton("确定");
p1.add(queding);
bb.add(p1);
win.add(bb,BorderLayout.CENTER);
JLabel result =new JLabel("无反馈信息");
result.setForeground(Color.blue);
win.add(result,BorderLayout.SOUTH);
int da=0;
int guessa=0;
String a = null;
button.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
int da=0;
da=(int)(1+Math.random()*(10-1));
}
});
queding.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
int guessa=0;
String a = null;
a=guess.getText();
guessa=a.charAt(0);
if (guessa == da)
{
JLabel resultr=new JLabel("猜测正确");
resultr.setForeground(Color.blue);
win.add(resultr,BorderLayout.SOUTH);
}else if(guessa<da)
{
JLabel resultx=new JLabel("猜小了");
resultx.setForeground(Color.blue);
win.add(resultx,BorderLayout.SOUTH);
}else
{
JLabel resultd=new JLabel("猜大了");
resultd.setForeground(Color.blue);
win.add(resultd,BorderLayout.SOUTH);
};
}
});
win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args)
{
new GuessWindow();
}
}