mutichoiceitem.java

利用JAVA开发的简单考试系统

package viewer;

import javax.swing.JCheckBox;
import java.awt.Rectangle;
import javax.swing.JToggleButton;
import model.persistency.PersistentItem;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JOptionPane;
import java.awt.Point;
import java.awt.Dimension;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class MutiChoiceItem extends TestFrame{
    PersistentItem item;
 //   String answer;

   JCheckBox aCheckBox = new JCheckBox();
   JCheckBox bCheckBox = new JCheckBox();
   JCheckBox cCheckBox = new JCheckBox();
   JCheckBox dCheckBox = new JCheckBox();

    public MutiChoiceItem(PersistentItem it) {

        super(it);
    //   JOptionPane.showConfirmDialog(null,"into jbint3");
        this.item = it;
      //  answer = new String();
        try {
            jbInit();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
      //this.setJMenuBar(jMenuBar1);
      setSize(new Dimension(525, 440));
      setTitle("OLTS System");


     //    JOptionPane.showConfirmDialog(null,"into jbint");
       // aCheckBox.setActionCommand("aCheckBox");
        aCheckBox.setText("A");
        aCheckBox.setBounds(new Rectangle(25, 244, 42, 22));
        //dCheckBox.setActionCommand("dCheckBox");
        dCheckBox.setText("D");
        dCheckBox.setBounds(new Rectangle(178, 244, 51, 23));
        //cCheckBox.setActionCommand("cCheckBox");
        cCheckBox.setText("C");
        cCheckBox.setBounds(new Rectangle(128, 244, 34, 20));
        bCheckBox.setText("B");
        bCheckBox.setBounds(new Rectangle(77, 244, 35, 22));
        //bCheckBox.setActionCommand("bCheckBox");
        this.getContentPane().add(aCheckBox);
        this.getContentPane().add(bCheckBox);
        this.getContentPane().add(cCheckBox);
        this.getContentPane().add(dCheckBox);

        aCheckBox.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
            trace("A",aCheckBox);}
        });
        bCheckBox.addActionListener(new ActionListener(){
           public void actionPerformed(ActionEvent e){
           trace("A",aCheckBox);}
       });
        cCheckBox.addActionListener(new ActionListener(){
           public void actionPerformed(ActionEvent e){
           trace("A",aCheckBox);}
       });
        dCheckBox.addActionListener(new ActionListener(){
           public void actionPerformed(ActionEvent e){
           trace("A",aCheckBox);}
       });
     }

       private void trace(String a, JCheckBox cb){
       if(cb.isSelected())
           super.answer = super.answer + a;
        JOptionPane.showConfirmDialog(null,super.answer);
           }

}//~~