displayque.java

这是我们写的考试系统！！java编写的！！不是很大！！希望有用

import java.io.*;
import java.util.LinkedList;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.text.NumberFormat;


class Timing extends JLabel{
	int t;
	DisplayQue dq;
	Font font = new Font("宋体",Font.BOLD,30); 
	java.util.Timer _timer=new java.util.Timer();
		
	java.util.TimerTask task=new java.util.TimerTask(){
			
		public void run(){
				
			NumberFormat n=NumberFormat.getInstance();
			n.setMinimumIntegerDigits(2);
					
			int h,m,s;
			String tt;
			t=t-1;
				
			if(t>0){
					
				h=t/3600;
				m=t%3600/60;
				s=t%60;
				setText("离考试结束还有: "+n.format(h)+":"+n.format(m)+":"+n.format(s));
					
			}
			else{
				setText("TIME'S UP!");
				cancel();
				dq.handIn();

			}
		}
				
			    	
				
		};	
		
	public Timing(int tt,DisplayQue d)  {
		this.t=tt*60;
		dq=d;
		setFont(font);
		_timer.schedule(task,1000,1000);
			 
		 	
	}
		
		
}





class ForSingle extends JPanel{
	final ButtonGroup ansGroup=new ButtonGroup();
	Question que;
	
	public ForSingle(Question q){
		setLayout(new BorderLayout());
		que=q;
		JTextArea jl=new JTextArea(q.que);
		jl.setEditable(false);
		JPanel jp=new JPanel();
		JRadioButton radioButton;
		
		add(jl,BorderLayout.CENTER);
		
		
		jp.add(radioButton=new JRadioButton("  A  "));
		radioButton.setActionCommand("A");
		ansGroup.add(radioButton);
		jp.add(radioButton=new JRadioButton("  B  "));
		radioButton.setActionCommand("B");
		ansGroup.add(radioButton);
		jp.add(radioButton=new JRadioButton("  C  "));
		radioButton.setActionCommand("C");
		ansGroup.add(radioButton);
		jp.add(radioButton=new JRadioButton("  D  "));
		radioButton.setActionCommand("D");
		ansGroup.add(radioButton);
		
		ansGroup.add(radioButton=new JRadioButton("unchoose"));
		radioButton.setActionCommand("E");
		radioButton.setSelected(true);
		
		
		add(jp,BorderLayout.SOUTH);		
		
	}
	public String getAnswer(){
		String answer=ansGroup.getSelection().getActionCommand();
		return answer;
	}
	public int judge(){
		String a=getAnswer();
		if(a.length()==0){
			return 0;
		}
		else{
		
			if(a.equals(que.ans)==true){
				return que.point;
			}
			else{
				return 0;
			}
		}	
	}	
}

class ForMulti extends JPanel{
	final JPanel ansPanel=new JPanel();
	Question que;
	public ForMulti(Question q){
		setLayout(new BorderLayout());
		que=q;
		JTextArea jl=new JTextArea(q.que);
		jl.setEditable(false);

		
		JCheckBox checkBox;
		
		add(jl,BorderLayout.CENTER);
		
		ansPanel.add(checkBox=new JCheckBox("  A  "));
		checkBox.setActionCommand("A");
		ansPanel.add(checkBox=new JCheckBox("  B  "));
		checkBox.setActionCommand("B");
		ansPanel.add(checkBox=new JCheckBox("  C  "));
		checkBox.setActionCommand("C");
		ansPanel.add(checkBox=new JCheckBox("  D  "));
		checkBox.setActionCommand("D");
		add(ansPanel,BorderLayout.SOUTH);
		
		
		
	}	
	public String getAnswer(){
		
		StringBuffer sb=new StringBuffer();
		Component[] components=ansPanel.getComponents();
		for(int i=0;i<components.length;i++){
			JCheckBox cb=(JCheckBox)components[i];
			if(cb.isSelected()){
				sb.append(cb.getActionCommand());
			}
		}
		String answer=sb.toString();
		return answer;

		
	}
	public int judge(){
		String a=getAnswer();
		if(a.length()==0){
			return 0;
		}
		else{
		
			if(a.equals(que.ans)==true){
				return que.point;
			}
			else{
				return 0;
			}
		}
	}
}

class ForJudge extends JPanel{
	final ButtonGroup ansGroup=new ButtonGroup();
	Question que;

	public ForJudge(Question q){
		setLayout(new BorderLayout());
		que=q;
		JTextArea jl=new JTextArea(q.que);
		jl.setEditable(false);
		JPanel jp=new JPanel();
		JRadioButton radioButton;
		
		add(jl,BorderLayout.CENTER);
		
		jp.add(radioButton=new JRadioButton("  T  "));
		radioButton.setActionCommand("T");
		ansGroup.add(radioButton);
		jp.add(radioButton=new JRadioButton("  F  "));
		radioButton.setActionCommand("F");
		ansGroup.add(radioButton);
		
		ansGroup.add(radioButton=new JRadioButton("unchoose"));
		radioButton.setActionCommand("E");
		radioButton.setSelected(true);
		
		add(jp,BorderLayout.SOUTH);
		
	}
	public String getAnswer(){
		String answer=ansGroup.getSelection().getActionCommand();
		return answer;
	}
	public int judge(){
		String a=getAnswer();
		if(a.length()==0){
			return 0;
		}
		else{
		
			if(a.equals(que.ans)==true){
				return que.point;
			}
			else{
				return 0;
			}
		}
	} 	
}

//------------------------------------------------------------------------------------------------

public class DisplayQue{
	JScrollPane jsp=new JScrollPane();
	LinkedList queList,paneList=new LinkedList();
	Timing tt;
	_Paper paper;
	Question q;
	int i,s,m,j,score;
	ForSingle fs;
	ForMulti fm;
	ForJudge fj;
	JButton jb=new JButton("我要交了");
	JLabel title;
	JLabel sjl=new JLabel("单选题");
	JLabel mjl=new JLabel("多选题");
	JLabel jjl=new JLabel("判断题");
	JPanel jp=new JPanel();
	JPanel ftt=new JPanel();	
	
	

	GridBagLayout gbl=new GridBagLayout();
	GridBagConstraints gbc=new GridBagConstraints();
		
		
		
		
	public DisplayQue(){
		
		try{
		ObjectInputStream in=new ObjectInputStream(new FileInputStream("paper/Fuck.pap"));
		paper=(_Paper)in.readObject();
		queList=paper.list;
	
		int i=queList.size();
		System.out.println(i);
		}catch(Exception e){			
			System.out.print("Error: "+e);
			System.exit(0);
		}		
		
		jp.setLayout(gbl);

		gbc.gridx=0;
		gbc.gridy=0;

		jp.add(title=new JLabel(paper.name),gbc);		
		gbc.gridy=GridBagConstraints.RELATIVE;
		gbc.weightx=1;
		gbc.fill=GridBagConstraints.HORIZONTAL;
				
		jp.add(sjl,gbc);
		for(i=0;i<queList.size();i++){
			q=(Question)queList.get(i);
			if(q.type.equals("single")==true){
				fs=new ForSingle(q);
				jp.add(fs,gbc);
				paneList.add(fs);
				s++;
			}
		}
				jp.add(mjl,gbc);

		for(i=0;i<queList.size();i++){
			q=(Question)queList.get(i);
			if(q.type.equals("multi")==true){
				fm=new ForMulti(q);
				jp.add(fm,gbc);
				paneList.add(fm);
				m++;

			}
		}
				jp.add(jjl,gbc);

		for(i=0;i<queList.size();i++){
			q=(Question)queList.get(i);	
			if(q.type.equals("judge")==true){
				fj=new ForJudge(q);
				jp.add(fj,gbc);
				paneList.add(fj);
				j++;
			}			
		}
		
		JPanel fjb=new JPanel();

		fjb.add(jb);
		jp.add(fjb,gbc);
		jb.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
					handIn();
					tt.task.cancel();
				
			}
			
			
		});

		ftt.add(tt=new Timing(paper.time,this));

		
		
		
		
		
		
	}
	public int getScore(){
		

		int score=0;
		
		for(i=0;i<paneList.size();i++){
			if(i<s){
				fs=(ForSingle)paneList.get(i);
				score=score+fs.judge();				
			}
			else if(i<(s+m)){
			
				fm=(ForMulti)paneList.get(i);
				score=score+fm.judge();				
			}
			else{
				fj=(ForJudge)paneList.get(i);
				score=score+fj.judge();
			}
			
			
		}
		
		return score;
		
	}	
	public void handIn(){
			int s=getScore();
			JOptionPane.showMessageDialog(new Frame(),"你的分数是"+s);
		
	}
	
	public static void main(String[] args){
		MotherFrame mf=new MotherFrame();

		DisplayQue dq=new DisplayQue();
		mf.getContentPane().add(new JScrollPane(dq.jp),BorderLayout.CENTER);
		mf.getContentPane().add(dq.ftt,BorderLayout.NORTH);
		mf.setVisible(true);
		
	}
	

	
	
}