import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ArithmeticTest7 extends Jframe implements ActionListener {
private final String[] str1 = { "一年级","二年级","三年级","四年级","五年级","六年级"};
private final String[] str2 = { "开始","换一个","重开"};
JButton giveAnswer = new JButton("提交");//button for reset
JButton up[] = new JButton[str2.length];
JTextField display = new JTextField("");
JTextField answer = new JTextField("");
JTextField display2 = new JTextField("余数:(可不填)");
JTextField answer2 = new JTextField("");
JTextField user1 = new JTextField("姓名：");
JTextField user2 = new JTextField("");
private String name= user2.getText();
Jtextarea file = new Jtextarea("");
JScrollPane File=new JScrollPane(file);
JTextField numberOfDigit1 = new JTextField("年级：");
JTextField numberOfDigit2 = new JTextField("");
JComboBox calculate=new JComboBox();
public Font ziti = new Font("宋体", Font.BOLD, 25);
public ArithmeticTest7() {
super("Caltest");
Font font = new Font("宋体", Font.BOLD, 30);
JPanel pnlHead = new JPanel(new BorderLayout());
JPanel pnlHeadUp = new JPanel(new GridLayout(1,5));
JPanel pnlBodyEast = new JPanel(new GridLayout(2,1));
JPanel displayArea=new JPanel(new GridLayout(1,5));
displayArea.add(display);
display.setFont(font);
displayArea.add(answer);
answer.setFont(font);
displayArea.add(display2);
display2.setFont(font);
displayArea.add(answer2);
answer2.setFont(font);
pnlHeadUp.add(user1);
user1.setFont(font);
pnlHeadUp.add(user2);
user2.setFont(font);
name= user2.getText();
pnlHeadUp.add(numberOfDigit1);
numberOfDigit1.setFont(font);
pnlBodyEast.add(giveAnswer);
pnlHeadUp.add(calculate);
pnlHead.add( displayArea, BorderLayout.CENTER);
pnlHead.add( pnlHeadUp, BorderLayout.NORTH);
for (int i = 0; i < str1.length; i++)
{
calculate.setFont(font);
calculate.addItem(str1[i]);
}
for (int i = 0; i < str2.length; i++)
{
up[i] = new JButton(str2[i]);
up[i].setFont(font);
pnlBodyEast.add(up[i]);
}
display.setFont(font);
giveAnswer.setFont(font);
user1.setEnabled(false);
display.setEnabled(false);
display2.setEnabled(false);
numberOfDigit1.setEnabled(false);
JPanel pnlBody = new JPanel(new BorderLayout());
pnlBody.add(File,BorderLayout.CENTER);
pnlBody.add(pnlBodyEast,BorderLayout.NORTH);
setLayout(new BorderLayout());
add(BorderLayout.NORTH, pnlHead);
add(BorderLayout.CENTER, pnlBody);
giveAnswer.addActionListener(this);
display.addActionListener(this);
calculate.addActionListener(this);
for (int i = 0; i < str2.length; i++)
{
up[i].addActionListener(this);
}
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setSize(800, 500);
Dimension displaySize = Toolkit.getDefaultToolkit().getScreenSize(); // 获得显示器大小对象
Dimension frameSize = getSize();
setLocation((displaySize.width - frameSize.width)/2 , (displaySize.height - frameSize.height)/2 );
setVisible(true);
}
int o=0;
int score=0;
int[] Answer=new int[100];
int[] Answer2=new int[100];
int[] b=new int[100];
int[] n=new int[100];
int[] m=new int[100];
String[] c=new String[10];
String N,M;
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
name= user2.getText();
if (source==up[0])
CalculateE();
if (source==up[1])
{
CalculateE();
score=0;
o=0;
}
if (source==up[2])
{
CalculateE();
file.setText("");
score=0;
o=0;
}
if (source == giveAnswer)
{
String q=answer.getText();
int a=Integer.parseInt(q);
if(a==Answer[o])
score=score+10;
String str = null;
switch (b[o]) {
case 1:
str=String.format("%-10s%-10s%-10s%-10srn",n[o]+"+"+m[o]+"=",name+"答案"+a,"标准答案:"+Answer[o],"目前得分:"+score);
break;
case 2:
if(n[o]=m[o])
str=String.format("%-10s%-10s%-10s%-10srn",n[o]+"-"+m[o]+"=",name+"答案"+a,"标准答案:"+Answer[o],"目前得分:"+score);
break;
case 3:
str=String.format("%-10s%-10s%-10s%-10srn",n[o]+"*"+m[o]+"=",name+"答案"+a,"标准答案:"+Answer[o],"目前得分:"+score);
break;
case 4:
if(n[o]=m[o])
{
str=String.format("%-10s%-10s%-10s%-10srn",n[o]+"/"+m[o]+"=",name+"答案"+a,"标准答案:"+Answer[o],"目前得分:"+score);
}
break;
}
file.setFont(ziti);
file.setText(file.getText()+str);
if(o<10)
{
o=o+1;
if(o!=10)
{display.setText(c[o]);
answer.setText("");
answer2.setText("");}
}
}
}
public void CalculateE()
{
if(calculate.getSelectedItem()=="一年级")
{
for(int i=0;i<10;i++)
{
b[i]=(int)(Math.random()*2)+1;
n[i]=(int)(Math.random()*(Math.pow(10, 1)))+1;
m[i]=(int)(Math.random()*(Math.pow(10, 1)))+1;
}
}
if(calculate.getSelectedItem()=="二年级")
{
for(int i=0;i<10;i++) {
b[i] = (int) (Math.random() * 2) + 1;
n[i] = (int) (Math.random() * (Math.pow(10, 2))) + 1;
m[i] = (int) (Math.random() * (Math.pow(10, 2))) + 1;
}
}
if(calculate.getSelectedItem()=="三年级")
{
for(int i=0;i<10;i++) {
b[i] = (int) (Math.random() * 2) + 2;
n[i] = (int) (Math.random() * (Math.pow(10, 2))) + 1;
m[i] = (int) (Math.random() * (Math.pow(10, 2))) + 1;
}
}
if(calculate.getSelectedItem()=="四年级")
{
for(int i=0;i<10;i++) {
b[i] = (int) (Math.random() * 4) + 1;
n[i] = (int) (Math.random() * (Math.pow(10, 2))) + 1;
m[i] = (int) (Math.random() * (Math.pow(10, 2))) + 1;
}
}
if(calculate.getSelectedItem()=="五年级")
{
for(int i=0;i<10;i++){
b[i]=(int)(Math.random()*4)+1;
n[i]=(int)(Math.random()*(Math.pow(10, 3)))+1;
m[i]=(int)(Math.random()*(Math.pow(10, 3)))+1;
}
}
if(calculate.getSelectedItem()=="六年级")
{
for(int i=0;i<10;i++) {
b[i] = (int) (Math.random() * 4) + 1;
n[i] = (int) (Math.random() * (Math.pow(10, 3))) + 1;
m[i] = (int) (Math.random() * (Math.pow(10, 3))) + 1;
}
}
for(int i=0;i<10;i++)
{
N=String.valueOf(n[i]);
M=String.valueOf(m[i]);
switch (b[i]) {
case 1:
c[i]=N+"+"+M+"=";
Answer[i]=n[i]+m[i];
break;
case 2:
if(n[i]=m[i])
c[i]=N+"-"+M+"=";
Answer[i]=Math.abs(m[i]-n[i]);
break;
case 3:
Answer[i]=n[i]*m[i];
c[i]=N+"*"+M+"=";
break;
case 4:
if(n[i]=m[i])
{
c[i]=N+"/"+M+"=";
Answer[i]=n[i]/m[i];
Answer2[i]=n[i]%m[i];
}
break;
}
}
display.setText(c[0]);
}
public static void main(String[] args) {
ArithmeticTest7 test = new ArithmeticTest7();
}
}
