exammainframe.java

java考试系统简单版

package exam.gui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.border.Border;
import javax.swing.border.TitledBorder;



import exam.model.Paper;
import exam.model.Student;
/**
 * 考试主界面
 * @author Administrator
 *
 */

        
public class ExamMainFrame {
	private JFrame jf;
	private JPanel north,center,south,east,west;
	private JLabel label,time;
	private JScrollPane jsp;
	private JButton b1,b2,b3;
	private JTextField keyField;
	private Box operationBox;
	
	private Student student;
	private Paper paper;
	
   public ExamMainFrame(){
	   jf= new JFrame("考试系统");
	   jf.setLayout(new BorderLayout());
	   
	   south = new JPanel();
	   north = new JPanel();
	   center = new JPanel();
	   east = new JPanel();
	   west = new JPanel();	  

	   init();
	   jf.add(north,BorderLayout.NORTH);
 	   jf.add(center,BorderLayout.CENTER);
 	   jf.add(jsp,BorderLayout.CENTER);
 	   jf.add(south,BorderLayout.SOUTH);
 	   jf.add(east,BorderLayout.EAST);
 	   jf.add(west,BorderLayout.WEST);
   }
   private void init(){
	   initSouth();
	   initCenter();
	   initNorth();
	   initWest();
	   initEast();
   }
    private void initSouth(){
    	keyField = new JTextField(5);
    	label = new JLabel("请选择：");
    	 south.add(label); 
    	 ButtonGroup bg = new ButtonGroup();    	
    	JRadioButton jrba=new JRadioButton("A");
		jrba.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				keyField.setText("A");
			}
		});
    	JRadioButton jrbb=new JRadioButton("B");
    	JRadioButton jrbc=new JRadioButton("C");
    	JRadioButton jrbd=new JRadioButton("D");
		jrbb.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				keyField.setText("B");
			}
		});
		jrbc.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				keyField.setText("C");
			}
		});
		jrbd.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				keyField.setText("D");
			}
		});
    	 bg.add(jrba); bg.add(jrbb); 
    	 bg.add(jrbc);bg.add(jrbd);
    	south.add(jrba);south.add(jrbb);
    	south.add(jrbc);south.add(jrbd);
    	
    	b1 = new JButton("上一题");
    	b2 = new JButton("下一题");
    	b3 = new JButton("交卷");
		
		b2.setEnabled(false);
//		b2.addActionListener(this);


		south.add(keyField);
		
		

      	
 	   south.add(b1);
 	   b2.addActionListener(new actionHandel());
 	   south.add(b2);
 	   south.add(b3);
 	}
    private void initCenter(){    	
    	JTextArea jta= new JTextArea(30,30);
    	center.add(jta);
    	jsp= new JScrollPane (jta);
    	
    	
    	 
    }
    private void initNorth(){

    	JLabel label1=new JLabel("欢迎进入考试系统：");
    	

    	label1.setFont(new Font("",Font.BOLD,24));
    	JLabel label2= new JLabel("考生编号：");
    	JLabel label3= new JLabel("考生姓名：");
    	JLabel label4= new JLabel("考生科目：");
    	
    	north.add(label1);
    	north.add(label2);
    	north.add(label3);
    	north.add(label4);
    	
    }
    private void initWest(){
    	JLabel label1=new JLabel("剩余试题：");
    	west.add(label1);
    }
    private void initEast(){
    	JLabel label1=new JLabel("剩余时间：");
    	east.add(label1);
    	time=new JLabel("120");
		new Thread(){
			public void run(){
				while(true){
					try {
						Thread.sleep(1000);
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
					time.setText((Integer.parseInt(time.getText())-1)+"");
				}
			}
		}.start();
		east.add(time);
		east.add(new JLabel("秒"));
    	
    }
    private class actionHandel implements ActionListener{

    	public void actionPerformed(ActionEvent e) {
    		ButtonGroup b=(ButtonGroup)e.getSource();
			if(b.getSelection().isEnabled()){
				
			}else if(false){
				
				
			
			}
		}
    }


    
    

	private void  showMe(){
		jf.setLocation(200,300);
		jf.setSize(600,400);
		jf.setVisible(true);
		jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	public static void main(String[] args){
		
		new ExamMainFrame().showMe();
	}

}