java 考试系统，类似驾考宝典

package dao;
import java.util.*;
import domain.Question;
import util.*;
//@SuppressWarnings("unchecked")
public class QuestionDao{
	private QuestionFileReader reader=MySpring.getBean("util.QuestionFileReader");	
	
	private ArrayList questionBank=new ArrayList(reader.getQuestionBox());	
	public ArrayList getPaper(int count){		
		HashSet qhs=new HashSet();//用来存储最终的试卷题目
		//System.out.println(questionBank.size());
		Random r=new Random();//随机数
		while(qhs.size()!=count){			
			int index=r.nextInt(this.questionBank.size());//随机产生的一个题目索引位置
			qhs.add(this.questionBank.get(index));	
			//System.out.println(qhs.size());
		}		
		return new ArrayList(qhs);
		
	}
	
}

package dao;
import java.util.*;
import domain.User;
import util.*;
public class UserDao{
	private	UserFileReader ufr=MySpring.getBean("util.UserFileReader");
	public User selectOne(String name){
		return ufr.getUser(name);
	}	
}

/*
import domain.User;
import dao.*;
import util.*;
public class UserService{
	//private UserDao dao=new UserDao();
	private UserDao dao=MySpring.getBean("dao.UserDao");
	public String login(String account,String password){
		User dbresult=dao.selectOne(account);
		if(dbresult!=null){
			if(dbresult.getPassword().equals(password)){
				return "登录成功";
			}			
		}
		return "登录失败";		
	}
}

public class UserFileReader{
	private static HashMap userBox=new HashMap();	
	public static User getUser(String account){
		return userBox.get(account);
	}	
*/

package domain;
//存储文件中的题目，增强可读性
public class Question{
	private String question;//题干
	private String answer;//答案
	private String pic;//存储图片路径
	public Question(){
	}
	public Question(String question,String answer){
		this.question=question;
		this.answer=answer;
	}
	public Question(String question,String answer,String pic){
		this.question=question;
		this.answer=answer;
		this.pic=pic;
	}
	public void setQuestion(String question){
		this.question=question;
	}
	public String getQuestion(){
		return this.question;
	}
	public void setAnswer(String answer){
		this.answer=answer;
	}
	public String getAnswer(){
		return this.answer;
	}
	public void setPic(String pic){
		this.pic=pic;
	}
	public String getPic(){
		return this.pic;
	}
	
	public boolean equals(Object obj){
		if(this==obj){
			return true;
		}
		if(obj instanceof Question){
			Question anotherQuestion=(Question)obj;
			String thisTitle=this.question.substring(0,this.question.indexOf("
"));
			String anotherTitle=anotherQuestion.question.substring(0,anotherQuestion.question.indexOf("
"));
			if(thisTitle.equals(anotherTitle)){
				return true;
			}
			
		}
		return false;
	}
	@Override
	public int hashCode(){
		String thisTitle=this.question.substring(0,this.question.indexOf("
"));
		return thisTitle.hashCode();
	}
	
}

package domain;
//实体对象
//存储文件中的一行记录
//文件名----类名
//文件名一行记录--类的对象
//文件一行中的值--对象的属性对应
public class User{
	private String account;
	private String password;
	public User(String account,String password){
		this.account=account;
		this.password=password;
	}
	public User(){
	}
	public void setAccount(String account){
		this.account=account;
	}
	public String getAccount(){
		return this.account;
	}
	public void setPassword(String password){
		this.password=password;
	}
	public String getPassword(){
		return this.password;
	}
}

package service;
import util.MySpring;
import domain.Question;
import dao.QuestionDao;
import java.util.*;
public class QuestionService{
	private QuestionDao dao=MySpring.getBean("dao.QuestionDao");
	public ArrayList getPaper(int count){
		return dao.getPaper(count);
	}
}

package service;
import domain.User;
import dao.*;
import util.*;
public class UserService{
	private UserDao dao=MySpring.getBean("dao.UserDao");
	public String login(String account,String password){
		User dbresult=dao.selectOne(account);
		if(dbresult!=null){
			if(dbresult.getPassword().equals(password)){
				return "登录成功";
			}
		}
		return "登录失败";
	}
}

package test;
import dao.*;
import service.*;
import test0608.LoginFrame;
import java.util.*;
import domain.*;
import util.*;

public class Test{
	public static void main(String[] args){
		new LoginFrame("登录窗口");
		//UserService us=new UserService();
		//System.out.println(us.login("zs","333"));
		//String question="1.一下那个是java的基本数据类型？\n  A.String  B.Integer  C.boolean  D.Math";
		//System.out.println(question);
		/*//判断自己写的equals,hasCode方法；
		String a="以下那个是java的基本数据类型？
 ";
		String b="以下那个是java的基本数据类型？
 ";
		Question aa=new Question(a,"D");
		Question ba=new Question(b,"b");
		System.out.println(aa.equals(ba));
		System.out.println(aa.hashCode()==ba.hashCode());		
		QuestionService service=MySpring.getBean("service.QuestionService");
		ArrayList paper=service.getPaper(5);
		int i=1;
		for(Question q:paper){
			String title=q.getQuestion().replace("
","\n   ");
			System.out.println(i++ +". "+title);		
		}
		*/
	}
}

package test0608;
import javax.swing.*;
import java.awt.*;
import util.*;
import java.util.*;
import service.*;
import domain.*;
import java.awt.Image;
import java.awt.event.*;
public class ExamFrame extends BaseFrame{
	//获取QuestionService对象；
	private QuestionService service=MySpring.getBean("service.QuestionService");
	private ArrayList paper=service.getPaper(5);//生成试卷；
	//创建一个用于存储学生选择的答案的容器
	private String[] answers=new String[paper.size()];
	//创建几个变量，分别控制右侧个数
	private int nowCount=0;//记录当前题目序号；
	private int totalCount=paper.size();//题目总数：
	private int answerCount=0;
	private int unanswerCount=totalCount;//未答题数；
	public ExamFrame(){
		
		this.init();
	}
	public ExamFrame(String title){
		super(title);
		this.init();
	}
	//创建一个线程对象 控制时间变化
	private TimeControlThread timeControlThread=new TimeControlThread();
	//创建一个变量 用来记录整数(分钟为单位)
	private int times=61;
	//添加3个panel区域的分割
	private JPanel mainPanel=new JPanel();//答题主页面
	private JPanel rightPannel=new JPanel();//右
	private JPanel bottomPannel=new JPanel();
	//添加主要答题组件
	private JTextArea testArea=new JTextArea();//考试文本域
	private JScrollPane scrollPane=new JScrollPane(testArea);//滚动条
	//添加右侧信息的组件
	private JLabel pic=new JLabel();//展示图片
	private JLabel nowNum=new JLabel("当前题号：");//展示当前题号；
	private JLabel total=new JLabel("题目总数：");
	private JLabel answer=new JLabel("已答题数：");
	private JLabel unanswer=new JLabel("未答题数：");
	private JTextField nowNumField=new JTextField("0");
	private JTextField totalField=new JTextField("0");
	private JTextField answerField=new JTextField("0");
	private JTextField unanswerField=new JTextField("0");
	private JLabel time=new JLabel("剩余答题时间");//倒计时
	private JLabel realTime=new JLabel("00:00:00");//真实时间
	//添加底部组件
	private JButton aButton=new JButton("A");
	private JButton bButton=new JButton("B");
	private JButton cButton=new JButton("C");
	private JButton dButton=new JButton("D");
	private JButton prevButton=new JButton("上一题");
	private JButton nextButton=new JButton("下一题");
	private JButton submitButton=new JButton("提交试卷");
	
	
	protected void setFontAndSoOn(){
		//设置panel布局管理-->自定义
		mainPanel.setLayout(null);
		mainPanel.setBackground(Color.LIGHT_GRAY);
		rightPannel.setLayout(null);
		bottomPannel.setLayout(null);
		//手动设置每一个组件的位置 字体 背景
		scrollPane.setBounds(16,10,650,450);
		testArea.setFont(new Font("黑体",Font.BOLD,34));
		testArea.setEnabled(false);//文本域中的文字不让编辑
		//设置右边区域的位置
		rightPannel.setBounds(680,10,300,550);
		rightPannel.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		//设置底部区域的位置
		bottomPannel.setBounds(16,470,650,90);
		bottomPannel.setBorder(BorderFactory.createLineBorder(Color.GRAY));	
		//设置右边区域中每一个组件位置 大小 颜色
		pic.setBounds(10,10,280,230);
		pic.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		pic.setIcon(null);//展示图片信息
		//
		nowNum.setBounds(40,270,100,30);
		nowNum.setFont(new Font("黑体",Font.PLAIN,20));
		nowNumField.setBounds(150,270,100,30);
		nowNumField.setFont(new Font("黑体",Font.BOLD,20));
		nowNumField.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		nowNumField.setEnabled(false);
		nowNumField.setHorizontalAlignment(JTextField.CENTER);//居中
		
		total.setBounds(40,310,100,30);
		total.setFont(new Font("黑体",Font.PLAIN,20));
		totalField.setBounds(150,310,100,30);
		totalField.setFont(new Font("黑体",Font.BOLD,20));
		totalField.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		totalField.setEnabled(false);
		totalField.setHorizontalAlignment(JTextField.CENTER);//居中
		
		answer.setBounds(40,350,100,30);
		answer.setFont(new Font("黑体",Font.PLAIN,20));
		answerField.setBounds(150,350,100,30);
		answerField.setFont(new Font("黑体",Font.BOLD,20));
		answerField.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		answerField.setEnabled(false);
		answerField.setHorizontalAlignment(JTextField.CENTER);//居中
		
		unanswer.setBounds(40,390,100,30);
		unanswer.setFont(new Font("黑体",Font.PLAIN,20));
		unanswerField.setBounds(150,390,100,30);
		unanswerField.setFont(new Font("黑体",Font.BOLD,20));
		unanswerField.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		unanswerField.setEnabled(false);
		unanswerField.setHorizontalAlignment(JTextField.CENTER);//居中
		
		unanswer.setBounds(40,390,100,30);
		unanswer.setFont(new Font("黑体",Font.PLAIN,20));
		unanswerField.setBounds(150,390,100,30);
		unanswerField.setFont(new Font("黑体",Font.BOLD,20));
		unanswerField.setBorder(BorderFactory.createLineBorder(Color.GRAY));
		unanswerField.setEnabled(false);
		unanswerField.setHorizontalAlignment(JTextField.CENTER);//居中
		
		time.setBounds(90,460,150,30);
		time.setFont(new Font("黑体",Font.PLAIN,20));
		time.setForeground(Color.BLUE);
		realTime.setBounds(108,490,150,30);
		realTime.setFont(new Font("黑体",Font.BOLD,20));
		realTime.setForeground(Color.BLUE);
		
		aButton.setBounds(40,10,120,30);
		aButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));//小手图标
		bButton.setBounds(190,10,120,30);
		bButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));//小手图标
		cButton.setBounds(340,10,120,30);
		cButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));//小手图标
		dButton.setBounds(490,10,120,30);
		dButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));//小手图标
		prevButton.setBounds(40,50,100,30);
		prevButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));//小手图标
		nextButton.setBounds(510,50,100,30);
		nextButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));//小手图标
		submitButton.setBounds(276,50,100,30);
		submitButton.setForeground(Color.RED);
		submitButton.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));//小手图标
		//----------------------------------
		//展示考试题目
		this.showQuestionAndPic();
		//重写设置右侧组件值；
		nowNumField.setText(nowCount+1+"");
		totalField.setText(totalCount+"");
		answerField.setText(answerCount+"");
		unanswerField.setText(unanswerCount+"");
		
		realTime.setText(times+"");
	}
	//属性添加到窗体
	protected void addElement(){
		rightPannel.add(pic);
		rightPannel.add(nowNum);
		rightPannel.add(nowNumField);
		rightPannel.add(total);
		rightPannel.add(totalField);
		rightPannel.add(answer);
		rightPannel.add(answerField);
		rightPannel.add(unanswer);
		rightPannel.add(unanswerField);
		rightPannel.add(time);
		rightPannel.add(realTime);
		bottomPannel.add(aButton);
		bottomPannel.add(bButton);
		bottomPannel.add(cButton);
		bottomPannel.add(dButton);
		bottomPannel.add(prevButton);
		bottomPannel.add(nextButton);
		bottomPannel.add(submitButton);
		mainPanel.add(scrollPane);
		mainPanel.add(rightPannel);
		mainPanel.add(bottomPannel);
		this.add(mainPanel);

	}
	
	//添加事件监听
	protected void addListener(){
		//创建一个监听器对象 用于提交按钮
		submitButton.addActionListener(new ActionListener(){
			
			public void actionPerformed(ActionEvent e){
				//弹出一个确认框 是0 否1 取消2
				int value=JOptionPane.showConfirmDialog(ExamFrame.this,"是否确定提交试卷");
				if(value==0){
					//倒计时时间停止--线程处理
					//timeControlThread.stop();
					timeControlThread.stopTimeThread();//切换了线程的状态
					//所有按钮失效；
					ExamFrame.this.setOptionButtonEnabled(false);
					prevButton.setEnabled(false);
					nextButton.setEnabled(false);
					//让按钮颜色回归本色
					ExamFrame.this.clearOptionButtonColor();
					//最终成绩的计算 展示在中间的文本域中
					float score=ExamFrame.this.checkPaper();
					testArea.setText("考试已经结束\n您最终的成绩为："+score);
				}
			}
		});
		//创建一个监听器对象 用于上一题按钮
		prevButton.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				ExamFrame.this.clearOptionButtonColor();
				//还原四个选项按钮的状态 变成可用
				ExamFrame.this.setOptionButtonEnabled(true);//可用
				//设置下一题按钮 变成可用
				nextButton.setEnabled(true);//可用
				//题号减1
				nowCount--;
				//如果当前题号为0 已经到达第一题 让上一题按钮禁用
				if(nowCount==0){
					prevButton.setEnabled(false);//禁用
					
				}
				//还原之前这道题选择的是哪一个选项
				ExamFrame.this.restoreButton();
				
				//显示题目
				ExamFrame.this.showQuestionAndPic();
				//修改右侧题号
				nowNumField.setText(nowCount+1+"");
				answerField.setText(--answerCount+"");
				unanswerField.setText(++unanswerCount+"");
			}
		});
		//监听器 用于下一题
		nextButton.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				//先清除所有选项的颜色
				ExamFrame.this.clearOptionButtonColor();
				//当前题目需要增加一个
				nowCount++;
				//当前题目是否到达最后
				if(nowCount==totalCount){//到达最后一道题了
					testArea.setText("全部题目已经回答完毕\n请点击下方红色提交按钮");
					//让下一个题目按钮失效
					nextButton.setEnabled(false);//不可用
					//全部选项按钮失效
					ExamFrame.this.setOptionButtonEnabled(false);
				}else{//后面还有题目
					ExamFrame.this.showQuestionAndPic();
					//修改右侧的当前题号
					nowNumField.setText(nowCount+1+"");
					
				}
				answerField.setText(++answerCount+"");
				unanswerField.setText(--unanswerCount+"");
			}
		});
		
		//用于四个选项按钮
		ActionListener optionListener=new ActionListener(){
			public void actionPerformed(ActionEvent e){
				//清除之前所有选项按钮的颜色
				ExamFrame.this.clearOptionButtonColor();
				//让被点中的按钮颜色变化一下
				JButton button=(JButton)e.getSource();//获取按钮
				button.setBackground(Color.YELLOW);
				//选项存储在answers数组中
				answers[nowCount]=button.getText();
				
			}
		};
		//将这个监听器对象绑定在四个选项按钮身上
		aButton.addActionListener(optionListener);
		bButton.addActionListener(optionListener);
		cButton.addActionListener(optionListener);
		dButton.addActionListener(optionListener);
	}
		
	//设置窗体自身
	protected void setFrameSelf(){
		this.setBounds(260,130,1000,600);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setResizable(false);
		this.setVisible(true);
		timeControlThread.start();//启动计时线程
	}
	/*
	public static void main(String[] args){
		new ExamFrame("考试窗口");
	}
	*/
	//----------------------------------------------------------
	//设计一个内部类 处理时间倒计时问题
	private class TimeControlThread extends Thread{	
		private boolean flag=true;//此时正常执行线程处理；
		public void stopTimeThread(){
			this.flag=false;
		}
		public void run(){
			//times进行一个转化 小时：分钟：秒
			int hour=times/60;
			int minute=times%60;
			int second=0;			
			while(flag){
				//操作realTime处理时间的显示
				StringBuilder timeString=new StringBuilder();
				if(hour>=0 && hour=0 && minute=0 && second0){
					second--;
				}else{//秒数已经为0
					if(minute>0){//分钟>0
						minute--;
						second=59;
					}else{//分钟已经为0
						if(hour>0){//小时>0
							hour--;
							minute=59;
							second=59;
						}else{//小时为0
							System.out.println("时间截止");
							realTime.setForeground(Color.RED);
							ExamFrame.this.setOptionButtonEnabled(false);//所有按钮失效；
							prevButton.setEnabled(false);
							nextButton.setEnabled(false);
							//弹出一个消息框，告诉考试结束，请提交
							JOptionPane.showMessageDialog(ExamFrame.this,"考试结束，请提交试卷");
							break;
						}
					}
				}
		
			}
		}
	}
	//设计一个方法 负责计算最终的成绩
	private float checkPaper(){
		float score=100;
		int size=paper.size();
		for(int i=0;i 题干 答案 图片路径
			Question question=paper.get(i);
			String realAnswer=question.getAnswer();
			if(!realAnswer.equals(answers[i])){
				score-=(100/size);
			}
		}
		return score;
		
	}
	//还原上一题的选项
	private void restoreButton(){
		//获取当前题目的答案
		String answer=answers[nowCount];
		if(answer==null){
			return;
		}
		switch(answer){
			case "A":
				aButton.setBackground(Color.YELLOW);
				break;
			case "B":
				bButton.setBackground(Color.YELLOW);
				break;
			case "C":
				cButton.setBackground(Color.YELLOW);
				break;
			case "D":
				dButton.setBackground(Color.YELLOW);
				break;
			default:
				this.clearOptionButtonColor();
				break;
		}
	}
	//让所有选项按钮失效
	private void setOptionButtonEnabled(boolean key){
		aButton.setEnabled(key);
		bButton.setEnabled(key);
		cButton.setEnabled(key);
		dButton.setEnabled(key);
		
	}
	//清除所有选项按钮颜色
	private void clearOptionButtonColor(){
		aButton.setBackground(null);
		bButton.setBackground(null);
		cButton.setBackground(null);
		dButton.setBackground(null);
	}
	//设计一个方法，处理图片展示
	private ImageIcon drawImage(String path){
		ImageIcon imageIcon=new ImageIcon(path);
		//设置imageIcon对象内的image属性
		imageIcon.setImage(imageIcon.getImage().getScaledInstance(280,230,Image.SCALE_DEFAULT));
												
		//返回imageIcon对象
		return imageIcon;
		
	}
	//设计一个方法，用来展示一道题目
	private void showQuestionAndPic(){
		Question question=paper.get(nowCount);
		//获取当前question中的图片路径
		String picpath=question.getPic();//图片路径
		if(picpath!=null){//有图片
			pic.setIcon(this.drawImage("img\\"+picpath));
		}else{
			pic.setIcon(null);
		}
		//处理一个题目中的标记
(表示换行）
		testArea.setText(nowCount+1+"."+question.getQuestion().replace("
","\n   "));
		
		
	}
}

package test0608;
import javax.swing.*;
import java.awt.Font;
import java.awt.Color;
import java.awt.event.*;
import util.BaseFrame;
import service.UserService;
import util.*;
public class LoginFrame extends BaseFrame{	
		public LoginFrame(){
			this.init();
		}
		public LoginFrame(String title){
			super(title);
			this.init();
		}
		//面板
		protected JPanel jpanel=new JPanel();
		//创建title显示标题
		protected JLabel bigTitle=new JLabel("在 线 考 试 系 统");
		//账号 密码
		protected JLabel accountLable=new JLabel("账户");
		protected JLabel passwordLable=new JLabel("密码");
		//文本框
		protected JTextField accountField=new JTextField();
		//密码框
		protected JPasswordField passwordField=new JPasswordField();
		//按钮
		protected JButton login=new JButton("登录");
		protected JButton exit=new JButton("退出");
		
		protected void setFontAndSoOn(){
			//设置组件的位置 布局管理
			//边界式 BordLayout(JFrame) 流式FlowLayout(JPanel)
			//网格式GridLayout 自定义(null)
			//设置面板的布局管理为自定义方式
			jpanel.setLayout(null);
			jpanel.setBackground(Color.WHITE);
			//设置标题组件的位置		
			bigTitle.setBounds(120,40,340,35);
			//设置字体大小
			bigTitle.setFont(new Font("黑体",Font.BOLD,34));
			//设置用户名位置，字体大小
			accountLable.setBounds(94,120,90,30);
			accountLable.setFont(new Font("黑体",Font.BOLD,24));
			//文本框
			accountField.setBounds(204,120,260,30);
			accountField.setFont(new Font("黑体",Font.BOLD,24));
			//密码
			passwordLable.setBounds(94,180,90,30);
			passwordLable.setFont(new Font("黑体",Font.BOLD,24));
			passwordField.setBounds(204,180,260,30);
			passwordField.setFont(new Font("黑体",Font.BOLD,24));
			//登录 退出
			login.setBounds(204,240,90,30);
			login.setFont(new Font("黑体",Font.BOLD,24));
			exit.setBounds(330,240,90,30);
			exit.setFont(new Font("黑体",Font.BOLD,24));		
		}
		
		protected void addElement(){
			jpanel.add(bigTitle);
			jpanel.add(accountLable);
			jpanel.add(accountField);
			jpanel.add(passwordLable);
			jpanel.add(passwordField);
			jpanel.add(login);
			jpanel.add(exit);
			this.add(jpanel);
		}
		protected void addListener(){
			//绑定时间监听器
			//ActionListener alistener=new Listener();		
			//login.addActionListener(alistener);//观察者模式
			ActionListener alistener=new ActionListener(){
			public void actionPerformed(ActionEvent e){
				
				String account=accountField.getText();
				//String password=passwordField.getText();
				char[] value=passwordField.getPassword();
				
				String pwd=new String(value);
				//UserService uservice=new UserService();
				UserService uservice=MySpring.getBean("service.UserService");
				String result=uservice.login(account,pwd);
				System.out.println(result);
				if(result.equals("登录成功")){	
					LoginFrame.this.setVisible(false);//将登录窗口隐藏
					//System.out.println("成功啦");
					new ExamFrame(account+"考试窗口");
				}else{
					JOptionPane.showMessageDialog(LoginFrame.this,result);
					//设置文本框和密码框为空
					accountField.setText("");
					passwordField.setText("");
					//System.out.println("失败啦");
				}
			}
			};//匿名内部类
			login.addActionListener(alistener);
		}
		
		protected void setFrameSelf(){
			//设置窗体起始位置
			this.setBounds(400,200,680,320);
			//设置点击关闭退出程序
			this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
			//设置窗体大小不可拖拽
			this.setResizable(false);
			//设置窗体显示状态
			this.setVisible(true);
		}
			
}

package util;
import javax.swing.*;
public abstract class BaseFrame extends JFrame{
	//模板模式
	public BaseFrame(){		
	}
	public BaseFrame(String title){
		super(title);	
	}
	protected void init(){
		this.setFontAndSoOn();
		this.addElement();
		this.addListener();
		this.setFrameSelf();
	}
		
	//字体 颜色。。
	protected abstract void setFontAndSoOn();
	//属性添加到窗体
	protected abstract void addElement();
	//添加事件监听
	protected abstract void addListener();
	//设置窗体自身
	protected abstract void setFrameSelf();
	
	
}

package util;
import java.util.*;
@SuppressWarnings("unchecked")
//目的是为了管理对象的产生
//对象的控制权交给当前类来负责 IOC控制反转
public class MySpring{
	//属性 为了存储所有被管理的对象
	private static HashMap beanBox=new HashMap();
	
	//设计一个方法 获取任何一个类的对象
	//返回值(泛型) 参数String类名
	public static T getBean(String className){//传递一个类全名		
		//通过类名字获取Class
		T obj=null;
		try{
			obj=(T)beanBox.get(className);
			if(obj==null){
				Class clazz=Class.forName(className);
				obj=(T)clazz.newInstance();
				beanBox.put(className,obj);
			}
		}catch(Exception e){
			e.printStackTrace();
		}
		return obj;
	}
}

package util;
import java.util.*;
import domain.Question;
import java.io.*;
public class QuestionFileReader{
	private static HashSet questionBox=new HashSet();
	static{
		BufferedReader br=null;
		try{
			File f=new File("dbfile\\Question.txt");
			FileReader fr=new FileReader(f);
			br=new BufferedReader(fr);
			String readValue=br.readLine();//每一次读取一行
			while(readValue!=null){
				String[] readValues=readValue.split("#");
				if(readValues.length==2){//无图片
					questionBox.add(new Question(readValues[0],readValues[1]));
				}else if(readValues.length==3){//含图片
					questionBox.add(new Question(readValues[0],readValues[1],readValues[2]));				
				}
				readValue=br.readLine();				
			}
		}catch(Exception e){
			e.printStackTrace();
		}finally{
			if(br!=null){
				try{
				br.close();
				}catch(Exception e){
					e.printStackTrace();
				}
			}
		}
	}
	public HashSet getQuestionBox(){
		return this.questionBox;
	}
	
}

package util;
import domain.User;
import java.util.HashMap;
import java.io.*;
//目的是为了增加一个缓存机制
//程序启动的时候将User.txt文件中的所有信息 一次性读出来
//以后做查询直接读取缓存中的数据 提高读取的性能
public class UserFileReader{
	private static HashMap userBox=new HashMap();	
	public static User getUser(String account){
		return userBox.get(account);
	}	
	static{	
		BufferedReader reader=null;
		try{			
			reader=new BufferedReader(new FileReader("dbfile\\User.txt"));
			String message=reader.readLine();//每一次读取一行信息
			while(message!=null){
				String[] values=message.split("-");//一行记录的两个信息
				userBox.put(values[0],new User(values[0],values[1]));
				message=reader.readLine();			
			}
		}catch(Exception e){
			e.printStackTrace();
		}finally{
			if(reader!=null){
				try{
					reader.close();
				}catch(Exception e){
					e.printStackTrace();
				}
			}
			
		}
	}
}