GUI之小学生口算系统
用Frame写的
import java.awt.*;
import java.awt.event.*;
import java.util.Random;
/**
*@author 作者 Your-Name：
*@version 创建时间：
*类说明：小学生口算
*/
public class ChenQian39 {
static int i,j,k;
public static void main(String[] args) {
// TODO Auto-generated method stub
Frame f = new Frame("计算器");
Random r = new Random();
Font f1 = new Font("楷体",Font.BOLD,20);
Font f2 = new Font("宋体",Font.BOLD,18);
Font f3 = new Font("宋体",Font.BOLD,16);
f.setBounds(200,200,500,400);
f.setLayout(null);
f.setVisible(true);
f.setBackground(Color.BLUE);
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
Label l1 = new Label("小学生口算系统");
l1.setBounds(190,40,180,30);
l1.setFont(f1);
f.add(l1);
Label l2 = new Label("功能如下");
l2.setBounds(40,70,80,30);
l2.setFont(f2);
f.add(l2);
Label l3 = new Label("1,加法运算");
l3.setBounds(70,110,80,30);
l3.setFont(f3);
f.add(l3);
Label l4 = new Label("2,减法运算");
l4.setBounds(70,150,80,30);
l4.setFont(f3);
f.add(l4);
Label l5 = new Label("3,乘法运算");
l5.setBounds(70,190,80,30);
l5.setFont(f3);
f.add(l5);
Label l6 = new Label("4,除法运算");
l6.setBounds(70,230,80,30);
l6.setFont(f3);
f.add(l6);
Label l7 = new Label("请选择");
l7.setBounds(40,280,70,30);
l7.setFont(f3);
f.add(l7);
Button b1 = new Button("+");
b1.setBounds(40,330,40,30);
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
Frame c1 = new Frame("加法界面");
c1.setBounds(250,250,300,300);
c1.setLayout(null);
c1.setVisible(true);
c1.setBackground(Color.gray);
c1.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e)
{
c1.setVisible(false);
}
});
TextField t2 = new TextField();
t2.setBounds(20,50,50,30);
t2.setFont(f2);
c1.add(t2);
Button b5 = new Button("+");
b5.setBounds(70,50,30,30);
c1.add(b5);
TextField t3 = new TextField();
t3.setBounds(100, 50,50,30);
t3.setFont(f2);
c1.add(t3);
Button b6 = new Button("=");
b6.setBounds(150,50,30,30);
c1.add(b6);
TextField t4 = new TextField();
t4.setBounds(180, 50,50,30);
t4.setFont(f2);
c1.add(t4);
t2.setText("" + (r.nextInt(101)));
t3.setText("" + (r.nextInt(101)));
Button b7 = new Button("确定");
b7.setBounds(100,90,40,30);
TextField t5 = new TextField();
t5.setBounds(40,140,200,40);
t5.setFont(f2);
c1.add(t5);
b7.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
i = Integer.parseInt(t2.getText());
j = Integer.parseInt(t3.getText());
k = Integer.parseInt(t4.getText());
if(i + j == k)
{
t5.setText("回答正确");
t2.setText("" + (r.nextInt(101)));
t3.setText("" + (r.nextInt(101)));
t4.setText("");
}
else
{
t5.setText("" + i + "+" + ""+j+"正确答案:" + (i + j));
t2.setText("" + (r.nextInt(101)));
t3.setText("" + (r.nextInt(101)));
t4.setText("");
}
}
});
c1.add(b7);
}
});
f.add(b1);
Button b2 = new Button("-");
b2.setBounds(90,330,40,30);
b2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
Frame c2 = new Frame("减法法界面");
c2.setBounds(250,250,300,300);
c2.setLayout(null);
c2.setVisible(true);
c2.setBackground(Color.gray);
c2.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e)
{
c2.setVisible(false);
}
});
TextField t21 = new TextField();
t21.setBounds(20,50,50,30);
t21.setFont(f2);
c2.add(t21);
Button b51 = new Button("-");
b51.setBounds(70,50,30,30);
c2.add(b51);
TextField t31 = new TextField();
t31.setBounds(100, 50,50,30);
t31.setFont(f2);
c2.add(t31);
Button b61 = new Button("=");
b61.setBounds(150,50,30,30);
c2.add(b61);
TextField t41 = new TextField();
t41.setBounds(180, 50,50,30);
t41.setFont(f2);
c2.add(t41);
t21.setText("" + (r.nextInt(101)));
t31.setText("" + (r.nextInt(101)));
Button b71 = new Button("确定");
b71.setBounds(100,90,40,30);
TextField t51 = new TextField();
t51.setBounds(40,140,200,40);
t51.setFont(f2);
c2.add(t51);
b71.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
i = Integer.parseInt(t21.getText());
j = Integer.parseInt(t31.getText());
k = Integer.parseInt(t41.getText());
if(i - j == k)
{
t51.setText("回答正确");
t21.setText("" + (r.nextInt(101)));
t31.setText("" + (r.nextInt(101)));
t41.setText("");
}
else
{
t51.setText("" + i + "-" + ""+j+"正确答案:" + (i - j));
t21.setText("" + (r.nextInt(101)));
t31.setText("" + (r.nextInt(101)));
t41.setText("");
}
}
});
c2.add(b71);
}
});
f.add(b2);
Button b3 = new Button("*");
b3.setBounds(140,330,40,30);
b3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
Frame c1 = new Frame("乘法界面");
c1.setBounds(250,250,300,300);
c1.setLayout(null);
c1.setVisible(true);
c1.setBackground(Color.gray);
c1.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e)
{
c1.setVisible(false);
}
});
TextField t2 = new TextField();
t2.setBounds(20,50,50,30);
t2.setFont(f2);
c1.add(t2);
Button b5 = new Button("*");
b5.setBounds(70,50,30,30);
c1.add(b5);
TextField t3 = new TextField();
t3.setBounds(100, 50,50,30);
t3.setFont(f2);
c1.add(t3);
Button b6 = new Button("=");
b6.setBounds(150,50,30,30);
c1.add(b6);
TextField t4 = new TextField();
t4.setBounds(180, 50,50,30);
t4.setFont(f2);
c1.add(t4);
t2.setText("" + (r.nextInt(10)));
t3.setText("" + (r.nextInt(10)));
Button b7 = new Button("确定");
b7.setBounds(100,90,40,30);
TextField t5 = new TextField();
t5.setBounds(40,140,200,40);
t5.setFont(f2);
c1.add(t5);
b7.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
i = Integer.parseInt(t2.getText());
j = Integer.parseInt(t3.getText());
k = Integer.parseInt(t4.getText());
if(i * j == k)
{
t5.setText("回答正确");
t2.setText("" + (r.nextInt(10)));
t3.setText("" + (r.nextInt(10)));
t4.setText("");
}
else
{
t5.setText("" + i + "*" + ""+j+"正确答案:" + (i * j));
t2.setText("" + (r.nextInt(10)));
t3.setText("" + (r.nextInt(10)));
t4.setText("");
}
}
});
c1.add(b7);
}
});
f.add(b3);
Button b4 = new Button("/");
b4.setBounds(190,330,40,30);
b4.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
Frame c1 = new Frame("除法界面");
c1.setBounds(250,250,300,300);
c1.setLayout(null);
c1.setVisible(true);
c1.setBackground(Color.gray);
c1.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e)
{
c1.setVisible(false);
}
});
TextField t2 = new TextField();
t2.setBounds(20,50,50,30);
t2.setFont(f2);
c1.add(t2);
Button b5 = new Button("/");
b5.setBounds(70,50,30,30);
c1.add(b5);
TextField t3 = new TextField();
t3.setBounds(100, 50,50,30);
t3.setFont(f2);
c1.add(t3);
Button b6 = new Button("=");
b6.setBounds(150,50,30,30);
c1.add(b6);
TextField t4 = new TextField();
t4.setBounds(180, 50,50,30);
t4.setFont(f2);
c1.add(t4);
t2.setText("" + (r.nextInt(101)));
t3.setText("" + (r.nextInt(101) + 1));
Button b7 = new Button("确定");
b7.setBounds(100,90,40,30);
TextField t5 = new TextField();
t5.setBounds(40,140,200,40);
t5.setFont(f2);
c1.add(t5);
b7.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent a)
{
i = Integer.parseInt(t2.getText());
j = Integer.parseInt(t3.getText());
k = Integer.parseInt(t4.getText());
if(i / j == k)
{
t5.setText("回答正确");
t2.setText("" + (r.nextInt(101)));
t3.setText("" + (r.nextInt(101) + 1));
t4.setText("");
}
else
{
t5.setText("" + i + "/" + ""+j+"正确答案:" + (i / j));
t2.setText("" + (r.nextInt(101)));
t3.setText("" + (r.nextInt(101) + 1));
t4.setText("");
}
}
});
c1.add(b7);
}
});
f.add(b4);
}
}