考试系统（简单版）-----大二上java课程设计

/*-------Vecrates---------*/
import java.awt.BorderLayout;

public class ExamWindow extends JFrame {

private JPanel contentPane;
final JPanel panel = new JPanel();
QuestionWindow qw;

private final Action StartExam = new SwingAction();//开始考试按钮事件
private final Action CloseFrame = new SwingAction_1();//退出考试事件

/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
ExamWindow frame = new ExamWindow();

frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}

/**
* Create the frame.
*/
public ExamWindow() {
qw = new QuestionWindow();
setTitle("标准化考试系统1.0");
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
setBounds(100, 100, 500, 450);
contentPane = new JPanel();
contentPane.setBackground(Color.CYAN);
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);

panel.setBackground(SystemColor.activeCaption);
panel.setBounds(0, 0, 484, 411);
contentPane.add(panel);
panel.setLayout(null);

JButton btnNewButton_1 = new JButton("\u9000\u51FA\u7CFB\u7EDF");
btnNewButton_1.setAction(CloseFrame);
btnNewButton_1.setBounds(188, 221, 100, 30);
panel.add(btnNewButton_1);

JLabel lblNewLabel = new JLabel("\u8003\u8BD5\u7CFB\u7EDF");
lblNewLabel.setBounds(168, 36, 120, 35);
panel.add(lblNewLabel);
lblNewLabel.setFont(new Font("宋体", Font.PLAIN, 30));
lblNewLabel.setForeground(Color.BLUE);

JButton btnNewButton = new JButton("\u5F00\u59CB\u8003\u8BD5");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
}
});
btnNewButton.setBounds(188, 157, 100, 30);
panel.add(btnNewButton);
btnNewButton.setAction(StartExam);
}

//“开始考试”按钮的监听事件
private class SwingAction extends AbstractAction {
public SwingAction() {
putValue(ACTION_COMMAND_KEY, "");
putValue(NAME, "开始考试");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
qw = new QuestionWindow();
setVisible(false); //使ExamWindow不可见
qw.setVisible(true); //使QuestionWindow可见
new Thread(qw.new RemainTime()).start();//点击开始考试时同时计算剩余时间
//读出第一个题目
try {
qw.qArea.setText(new ReadQuestion(0).getStr());
} catch (IOException e1) {
e1.printStackTrace();
}
}
}

//“退出考试”按钮的监听事件
private class SwingAction_1 extends AbstractAction {
public SwingAction_1() {
putValue(NAME, "退出系统");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
}
}

//ExamWindow

public class QuestionWindow extends JFrame {

JLabel remain_time = new JLabel(); //显示剩余时间的标签
private JPanel contentPane;
public JTextArea qArea; //显示问题的文本域
//用于保存答案的数组
String[] answer = new String[]{"A","B","C","D","A","B","C","D","A","B"};
String tempAS;//保存单选框中选择的答案
int i; //用于计分
int  n = 1; //用于定位（读txt）文件中的第几行
int socre = 0; //得分

JLabel jl; //用于提示考试结束和给出分数的标签

/**
* Create the frame.
*/
public QuestionWindow() {
qArea = new JTextArea();
setTitle("标准考试系统");
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
setBounds(100, 100, 500, 450);
setVisible(false);//使其不可见
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);

JPanel panel = new JPanel();
panel.setBackground(SystemColor.activeCaption);
panel.setBounds(0, 0, 484, 411);
contentPane.add(panel);
panel.setLayout(null);

JButton nextQ = new JButton("\u4E0B\u4E00\u9898");
nextQ.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
}
});
nextQ.setAction(nextq);
nextQ.setFont(new Font("宋体", Font.BOLD, 12));
nextQ.setBounds(397, 378, 77, 23);
panel.add(nextQ);
nextQ.setForeground(Color.GREEN);

JLabel lblNewLabel = new JLabel("\u8003\u8BD5\u5269\u4F59\u65F6\u95F4\uFF1A");
lblNewLabel.setBounds(0, 0, 114, 23);
panel.add(lblNewLabel);
lblNewLabel.setForeground(Color.RED);
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);

JButton submitAS = new JButton("\u63D0\u4EA4\u6B64\u9898");
submitAS.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
}
});
submitAS.setAction(submitItem);
submitAS.setFont(new Font("宋体", Font.BOLD, 12));
submitAS.setBounds(296, 378, 91, 23);
panel.add(submitAS);
submitAS.setForeground(Color.GREEN);

//显示倒计时的标签
remain_time.setBounds(99, 0, 106, 23);
remain_time.setVisible(true);
panel.add(remain_time);

//ABCD单选按钮组件
ButtonGroup group = new ButtonGroup();
JPanel panel_1 = new JPanel();
panel_1.setBackground(SystemColor.activeCaption);
panel_1.setBounds(26, 370, 192, 31);
panel.add(panel_1);
panel_1.setLayout(null);
JRadioButton a = new JRadioButton();
a.setAction(ASA);
a.setFont(new Font("微软雅黑", Font.PLAIN, 12));
a.setBounds(6, 7, 43, 21);
a.setText("A");
a.setForeground(Color.BLACK);
panel_1.add(a);
a.setBackground(SystemColor.activeCaption);
a.setVerticalAlignment(SwingConstants.BOTTOM);
group.add(a);
JRadioButton b = new JRadioButton();
b.setAction(ASB);
b.setForeground(Color.BLACK);
b.setBackground(SystemColor.activeCaption);
b.setFont(new Font("微软雅黑", Font.PLAIN, 12));
b.setText("B");
b.setBounds(51, 7, 50, 21);
panel_1.add(b);
group.add(b);
JRadioButton c = new JRadioButton();
c.setForeground(Color.BLACK);
c.setFont(new Font("微软雅黑", Font.PLAIN, 12));
c.setBackground(SystemColor.activeCaption);
c.setText("C");
c.setBounds(103, 7, 44, 21);
panel_1.add(c);
group.add(c);
JRadioButton d = new JRadioButton();
d.setAction(ASD);
d.setForeground(Color.BLACK);
d.setFont(new Font("微软雅黑", Font.PLAIN, 12));
d.setBackground(SystemColor.activeCaption);
d.setBounds(149, 7, 43, 21);
panel_1.add(d);
d.setText("D");
group.add(d);
qArea.setLineWrap(true);
qArea.setEnabled(false);
qArea.setEditable(false);
qArea.setForeground(Color.GREEN);
qArea.setFont(new Font("微软雅黑 Light", Font.BOLD, 20));

//显示题目的文本域
qArea.setBounds(10, 22, 464, 299);
panel.add(qArea);

JButton submitTest = new JButton("\u63D0\u4EA4\u8BD5\u5377");
submitTest.setAction(EndTest);
submitTest.setFont(new Font("宋体", Font.BOLD, 14));
submitTest.setForeground(Color.GREEN);
submitTest.setBounds(360, 323, 114, 31);
panel.add(submitTest);
}

//选择A时
private final Action ASA = new SwingAction();
private class SwingAction extends AbstractAction {
public SwingAction() {
putValue(NAME, "SwingAction");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
tempAS = "A";
}
}
//选择B时
private final Action ASB = new SwingAction_1();
private class SwingAction_1 extends AbstractAction {
public SwingAction_1() {
putValue(NAME, "SwingAction_1");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
tempAS = "B";
}
}
//选择C时
private final Action ASC = new SwingAction_2();
private class SwingAction_2 extends AbstractAction {
public SwingAction_2() {
putValue(NAME, "SwingAction_2");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
tempAS = "C";
}
}
//选择D时
private final Action ASD = new SwingAction_3();
private class SwingAction_3 extends AbstractAction {
public SwingAction_3() {
putValue(NAME, "SwingAction_3");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
tempAS = "D";
}
}

//"提交此题"按钮监听事件
private final Action submitItem = new SwingAction_4();
private class SwingAction_4 extends AbstractAction {
public SwingAction_4() {
putValue(NAME, "提交此题");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
if(answer[i++] == tempAS)
socre += 10;
}
}

//结束考试按钮的监听事件
private final Action EndTest = new SwingAction_5();
private class SwingAction_5 extends AbstractAction {
public SwingAction_5() {
putValue(NAME, "结束考试");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
jl = new JLabel("考试结束,你的得分是：" + socre+"分");
new Socre(jl).setVisible(true);
}
}

//"下一题"按钮监听事件
private final Action nextq = new SwingAction_6();
private class SwingAction_6 extends AbstractAction {
public SwingAction_6() {
putValue(NAME, "下一题");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) { //next question
try {
//题库中有10个题目
if(n < 10){
qArea.setText(new ReadQuestion(n++).getStr());//读题目并显示到面板上
setVisible(true);
}
else{
jl = new JLabel("你已完成答题,得分是：" + socre+"分");
new Socre(jl).setVisible(true);
}
} catch (IOException e1) {
e1.printStackTrace();
}
}
}

//实现倒计时功能的子类
private int time = 300;
class RemainTime implements Runnable {

public void run() {
while(time >= 0){
//当时间为0时结束考试
if(time == 0){
jl = new JLabel("考试时间到,你的得分是：" + socre+"分");
new Socre(jl).setVisible(true);
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.exit(0);
}
else{
time--;
long minu = time / 60;
long sec = time % 60;
remain_time.setText(minu + "分" + sec + "秒");
try{
Thread.sleep(1000);
}catch (Exception e){
e.printStackTrace();
}
}
}
}
}

}

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;

public class ReadQuestion {
private String str;

public String getStr() {
return str;
}

public void setStr(String str) {
this.str = str;
}

public ReadQuestion(int n) throws IOException{
File txt = new File("D:/代码/java/java课程设计/src/考试系统题库.txt");
FileReader fr = new FileReader(txt);
BufferedReader inBuf = new BufferedReader(fr);
String strline = null;
for(int i = 0;i <= n; i ++)
strline = new String(inBuf.readLine()); //读取一行字符
String[] newstr = strline.split(",");
this.setStr(newstr[0]+"\n"+newstr[1]+"\n"+newstr[2]+"\n"+newstr[3]+"\n"+newstr[4]);
inBuf.close();
}
}

import java.awt.BorderLayout;

public class Socre extends JDialog {

private final Action ensure_action = new SwingAction();

public Socre(JLabel JL) {
this.setModal(true); //强制性窗口
getContentPane().setLayout(null);
setBounds(150,150, 384, 300);
JL.setFont(new Font("宋体", Font.BOLD, 14));
JL.setForeground(Color.RED);
JL.setHorizontalAlignment(SwingConstants.CENTER);
JL.setBounds(38, 27, 278, 84);
getContentPane().add(JL);
setUndecorated(true);

//确定按钮
JButton ensure = new JButton("\u786E\u5B9A");
ensure.setAction(ensure_action);
ensure.setBackground(Color.RED);
ensure.setBounds(126, 213, 99, 38);
getContentPane().add(ensure);
}

//"确定按钮"监听
private class SwingAction extends AbstractAction {
public SwingAction() {
putValue(NAME, "确定");
putValue(SHORT_DESCRIPTION, "Some short description");
}
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
}
}

考试系统题库形式为：

1、工笔是哪种绘画形式的技法,A.水彩画,B.油画,C.水粉画,D.国画,

2、“冰激凌”是从哪国传进的外来语,A.英国,B.法国,C.美国,D.俄国,

3、“席梦思”三个字源于什么,A.人名, B.地名,C.00 ,D.00,

4、“八仙过海”中的八仙除铁拐李、张果老、吕洞宾、曹国舅外还有,A.韩非子、蓝采和、何翠姑、汉钟离,B.蓝采和、何仙姑、韩非子、汉钟离 ,C.韩湘子、蓝采和、何仙姑、红孩儿 ,D.韩湘子、蓝采和、何仙姑、汉钟离,

5、“无冕之王”的由来与下列哪一个有关,A.英国《泰晤士报》 ,B.法国《费加罗报》 ,C.美国《太阳报》 ,D.德国《明镜》周刊,

6、博士作为官名最早出现在:,A.秦 ,B.汉 ,C.唐,D.00,

7、“谬种流传”最早是宋朝人批评当时的,A.官场黑暗, B.科举制度 ,C.社会风气 ,D.诗词风格,

8、《在那遥远的地方》是哪里的民歌,A.四川民歌 ,B.江苏民歌 ,C.蒙古民歌 ,D.云南民歌,

9、人体含水量百分比最高的器官是,A.肝 ,B.肾 ,C.眼球,D.0111,

10、人体最大的解毒器官是,A.胃 ,B.肾脏 ,C.肝脏 ,D.脾,

//此为大二java课程设计，由于技术上的不足和时间上的仓促，设计较为简单。