import java.awt.*;
import java.awt.event.*;
import javax.swing.*;public class ComponentTest extends JFrame {
private JTextField jtextfield1;
private JTextField jtextfield2;
private JButton jbutton;
int randomNumber;
int typedNumber;
public ComponentTest(){
super("Testing JFrame");
Container container = getContentPane();
container.setLayout(new FlowLayout());
jtextfield1 = new JTextField("随机数字!",10);
jtextfield1.setEditable(false);
jtextfield2 = new JTextField("请输入数字",10);
jbutton = new JButton("Start");
container.add(jtextfield1);
container.add(jtextfield2);
container.add(jbutton);
TextFieldHandler handler = new TextFieldHandler();
jtextfield2.addActionListener(handler);
jbutton.addActionListener(handler);
setSize(325,100);
setVisible(true);
}
public static void main(String args[]){
ComponentTest component = new ComponentTest();
component.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
//定义私有内部类
private class TextFieldHandler implements ActionListener{
public void actionPerformed(ActionEvent e) {
try{
if(e.getSource() == jtextfield2)
typedNumber = Integer.parseInt(e.getActionCommand());
if(e.getSource() == jbutton)
randomNumber = (int)(Math.random()*100+1);
if(typedNumber > randomNumber)
JOptionPane.showMessageDialog(null, "大了");
else if (typedNumber < randomNumber)
JOptionPane.showMessageDialog(null,"小了");
else
JOptionPane.showMessageDialog(null,"恭喜你,答对了");
}catch (Exception exception){
JOptionPane.showMessageDialog(null, "请检查你输入的信息");
}
}
}
}
一个比数字的程序,数字范围在1-100;
这个程序运行结果无论我输入什么数字,它都说数字小了。请高手帮我看看哪里出错了。
import java.awt.event.*;
import javax.swing.*;public class ComponentTest extends JFrame {
private JTextField jtextfield1;
private JTextField jtextfield2;
private JButton jbutton;
int randomNumber;
int typedNumber;
public ComponentTest(){
super("Testing JFrame");
Container container = getContentPane();
container.setLayout(new FlowLayout());
jtextfield1 = new JTextField("随机数字!",10);
jtextfield1.setEditable(false);
jtextfield2 = new JTextField("请输入数字",10);
jbutton = new JButton("Start");
container.add(jtextfield1);
container.add(jtextfield2);
container.add(jbutton);
TextFieldHandler handler = new TextFieldHandler();
jtextfield2.addActionListener(handler);
jbutton.addActionListener(handler);
setSize(325,100);
setVisible(true);
}
public static void main(String args[]){
ComponentTest component = new ComponentTest();
component.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
//定义私有内部类
private class TextFieldHandler implements ActionListener{
public void actionPerformed(ActionEvent e) {
try{
if(e.getSource() == jtextfield2)
typedNumber = Integer.parseInt(e.getActionCommand());
if(e.getSource() == jbutton)
randomNumber = (int)(Math.random()*100+1);
if(typedNumber > randomNumber)
JOptionPane.showMessageDialog(null, "大了");
else if (typedNumber < randomNumber)
JOptionPane.showMessageDialog(null,"小了");
else
JOptionPane.showMessageDialog(null,"恭喜你,答对了");
}catch (Exception exception){
JOptionPane.showMessageDialog(null, "请检查你输入的信息");
}
}
}
}
一个比数字的程序,数字范围在1-100;
这个程序运行结果无论我输入什么数字,它都说数字小了。请高手帮我看看哪里出错了。
import java.awt.event.*;
import javax.swing.*;
public class ComponentTest extends JFrame {
private JTextField jtextfield1;
private JTextField jtextfield2;
private JButton jbutton;
int randomNumber;
int typedNumber;
public ComponentTest(){
super("Testing JFrame");
Container container = getContentPane();
container.setLayout(new FlowLayout());
jtextfield1 = new JTextField("随机数字!",10);
jtextfield1.setEditable(false);
jtextfield2 = new JTextField("请输入数字",10);
jbutton = new JButton("Start");
container.add(jtextfield1);
container.add(jtextfield2);
container.add(jbutton);
TextFieldHandler handler = new TextFieldHandler();
jtextfield2.addActionListener(handler);
jbutton.addActionListener(handler);
setSize(325,100);
setVisible(true);
}
public static void main(String args[]){
ComponentTest component = new ComponentTest();
component.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
//定义私有内部类
private class TextFieldHandler implements ActionListener{
public void actionPerformed(ActionEvent e) {
try{
if(e.getSource() == jtextfield2)
{
typedNumber = Integer.parseInt(e.getActionCommand());
if(typedNumber > randomNumber)
JOptionPane.showMessageDialog(null, "大了");
else if (typedNumber < randomNumber)
JOptionPane.showMessageDialog(null,"小了");
else
JOptionPane.showMessageDialog(null,"恭喜你,答对了");
}
if(e.getSource() == jbutton)
{
randomNumber = (int)(Math.random()*100+1);
//jtextfield1.setText("已设置随机数:" +randomNumber);
}
}catch (Exception exception){
JOptionPane.showMessageDialog(null, "请检查你输入的信息");
}
}
}
}
改了下,看看
{
public void actionPerformed(ActionEvent e)
{
if (e.getSource() == jbutton)
{
int k = 1;
do
{
try
{
typedNumber = Integer.parseInt(jtextfield2.getText());
}catch (Exception exception)
{
System.out.println("typedNumber"+typedNumber);
JOptionPane.showMessageDialog(null, "请检查你输入的信息","",
JOptionPane.DEFAULT_OPTION);
break;
} randomNumber = (int) (Math.random() * 100 + 1); //System.out.println(typedNumber);
//System.out.println(randomNumber);
if (typedNumber > randomNumber)
JOptionPane.showMessageDialog(null, "大了");
else if (typedNumber < randomNumber)
JOptionPane.showMessageDialog(null, "小了");
else
JOptionPane.showMessageDialog(null, "恭喜你,答对了");
k++;
}while (k < 0);
}
} }