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有4个类 MainFrame,Question,QuestionPanel,ResultPanel

import java.awt.BorderLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

public class MainFrame extends JFrame {

public static final int M_WIDTH = 500, M_HEIGHT = 800;

public static final int SIZE = 10;

public static final int MAX_LEVEL = 3;

private int level;

private QuestionPanel[] questions;

private JPanel showingPanel, toolBar;

private int[] scores;

private JButton start, next, submit;

private boolean first;

MainFrame() {

e69da5e6ba903231313335323631343130323136353331333264663730this.setTitle("数学测试0.1");

this.setBounds(100, 100, M_WIDTH, M_HEIGHT);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.initialization();

showingPanel = new JPanel();

start = new JButton("开始");

ButtonMonitor bm = new ButtonMonitor();

start.addActionListener(bm);

submit = new JButton("提交");

submit.addActionListener(bm);

next = new JButton("下一关");

next.addActionListener(bm);

toolBar = new JPanel();

toolBar.add(start);

this.add(toolBar, BorderLayout.SOUTH);

this.setVisible(true);

}

public void initialization() {

level = 1;

scores = new int[MAX_LEVEL];

questions = new QuestionPanel[SIZE];

first = true;

}

public void doQuestion() {

this.remove(showingPanel);

toolBar.remove(next);

if (first) {

toolBar.remove(start);

}

showingPanel = new JPanel();

showingPanel.setLayout(new GridLayout(SIZE, 0));

for (int i = 0; i < SIZE; i++) {

questions[i] = new QuestionPanel(new Question(level));

showingPanel.add(questions[i]);

}

this.add(showingPanel, BorderLayout.CENTER);

toolBar.add(submit);

showingPanel.updateUI();

toolBar.updateUI();

}

public void doNext() {

int sum = 0;

for (int i = 0; i < MAX_LEVEL; i++) {

sum += scores[i];

}

if (level != MAX_LEVEL) {

int flag = 500 * level;

System.out.println(sum);

if (sum > flag) {

level++;

this.doQuestion();

} else {

JOptionPane.showMessageDialog(null, "你分数没高过" + (flag) + "游戏结束");

}

} else {

JOptionPane.showMessageDialog(null, "游戏结束你总分:" + sum);

}

}

public void doSubmit() {

int sum = 0;

for (int i = 0; i < SIZE; i++) {

String temp = questions[i].getAnswer().getText();

if (!temp.isEmpty()) {

try {

int answer = Integer.parseInt(temp);

if (answer == questions[i].getQuestion().getAnswer()) {

sum += 100;

}

} catch (Exception e) {

}

}

}

scores[level - 1] = sum;

this.remove(showingPanel);

showingPanel = new ResultPanel(level, scores);

this.add(showingPanel, BorderLayout.CENTER);

toolBar.remove(submit);

toolBar.add(next);

showingPanel.updateUI();

toolBar.updateUI();

}

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

new MainFrame();

}

class ButtonMonitor implements ActionListener {

@Override

public void actionPerformed(ActionEvent e) {

// TODO Auto-generated method stub

String key = e.getActionCommand();

if (key.equals("提交")) {

doSubmit();

} else if (key.equals("开始")) {

doQuestion();

} else if (key.equals("下一关")) {

doNext();

}

}

}

}

import java.util.Random;

public class Question {

private String[] operators = { "+", "-", "*", "/" };

private int first;

private int second;

private int modifior;

private int answer;

Question(int level) {

Random r = new Random();

switch (level) {

case 1:

if (r.nextBoolean()) {

modifior = 0;

first = r.nextInt(10) + 1;

second = r.nextInt(10) + 1;

answer = first + second;

} else {

modifior = 1;

first = r.nextInt(20) + 1;

second = r.nextInt(first) + 1;

answer = first - second;

}

break;

case 2:

first = r.nextInt(9) + 1;

second = r.nextInt(9) + 1;

if (r.nextBoolean()) {

modifior = 2;

answer = first * second;

} else {

modifior = 3;

answer = first;

first = first * second;

}

break;

case 3:

modifior = r.nextInt(4);

switch (modifior) {

case 0:

first = r.nextInt(40)+10;

second = r.nextInt(40)+10;

answer = first + second;

break;

case 1:

first = r.nextInt(80)+20;

second = r.nextInt(first-10)+11;

answer = first -second;

break;

case 2:

first = r.nextInt(10)+1;

second = r.nextInt(10)+1;

answer = first * second;

break;

case 3:

first = r.nextInt(10)+1;

second = r.nextInt(10)+1;

answer = first;

first = first * second;

break;

}

break;

}

}

public String toQuestionForm() {

String result = "" + first + " " + operators[modifior] +" " +second + " = ";

return result;

}

public int getFirst() {

return first;

}

public void setFirst(int first) {

this.first = first;

}

public int getSecond() {

return second;

}

public void setSecond(int second) {

this.second = second;

}

public int getModifior() {

return modifior;

}

public void setModifior(int modifior) {

this.modifior = modifior;

}

public int getAnswer() {

return answer;

}

public void setAnswer(int answer) {

this.answer = answer;

}

}

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class QuestionPanel extends JPanel {

private JLabel questionLabel;

private JTextField answer;

private Question question;

QuestionPanel(Question question) {

this.question = question;

questionLabel = new JLabel();

questionLabel.setText(this.question.toQuestionForm());

answer = new JTextField(2);

this.add(questionLabel);

this.add(answer);

}

public JLabel getQuestionLabel() {

return questionLabel;

}

public JTextField getAnswer() {

return answer;

}

public Question getQuestion() {

return question;

}

public void setLabel(String label){

this.questionLabel.setText(label);

}

public void setQuestion(Question question){

this.question = question;

}

public void setAnswer(String text){

this.answer.setText(text);

}

}

import java.awt.GridLayout;

import javax.swing.JLabel;

import javax.swing.JPanel;

public class ResultPanel extends JPanel {

private int level;

private int [] scores;

ResultPanel(int level,int [] scores){

this.level = level;

this.scores = scores;

this.setLayout(new GridLayout(MainFrame.MAX_LEVEL*2+1, 0));

for(int i=0;i

JPanel temp1 = new JPanel();

temp1.add(new JLabel("第"+(i+1)+"关分数"));

JPanel temp2 = new JPanel();

temp2.add(new JLabel(""+scores[i]));

this.add(temp1);

this.add(temp2);

}

}

}

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