controlexam.java

这个是jsp编写的考试系统代码

package kaoshi.monitor.action;

import java.io.*;
import java.util.*;
import javax.servlet.http.*;
import javax.servlet.*;
import org.apache.struts.action.*;
import org.apache.struts.actions.DispatchAction;
import kaoshi.bean.*;

public class ControlExam extends DispatchAction {
	//清退考生
	public ActionForward remove(
        ActionMapping mapping,
        ActionForm form,
        HttpServletRequest request,
        HttpServletResponse response)
        	throws Exception 
	{
		String sid = request.getParameter("sid");
        ServletContext application = request.getSession().getServletContext();
        ExamHall kaochang = (ExamHall)application.getAttribute("kaochang");
        kaochang.remove(sid);
		return mapping.findForward("flush");
	}
	//向所有人发放试卷
	public ActionForward permitAll(
        ActionMapping mapping,
        ActionForm form,
        HttpServletRequest request,
        HttpServletResponse response)
        	throws Exception 
    {
		ServletContext application = request.getSession().getServletContext();
        ExamHall kaochang = (ExamHall)application.getAttribute("kaochang");
        kaochang.permitAll();
		return mapping.findForward("flush");
	}
	//向某个人发放试卷
	public ActionForward permitExam(
        ActionMapping mapping,
        ActionForm form,
        HttpServletRequest request,
        HttpServletResponse response)
        	throws Exception 
    {	
    	String sid = request.getParameter("sid");
		ServletContext application = request.getSession().getServletContext();
        ExamHall kaochang = (ExamHall)application.getAttribute("kaochang");
        kaochang.permitExam(sid);
		return mapping.findForward("flush");
	}
	//保存成绩单
	public ActionForward saveScores(
        ActionMapping mapping,
        ActionForm form,
        HttpServletRequest request,
        HttpServletResponse response)
        	throws Exception 
    {
		ServletContext application = request.getSession().getServletContext();
        ExamHall kaochang = (ExamHall)application.getAttribute("kaochang");
        Iterator ir = kaochang.getRecords().iterator();

        String filePath = application.getRealPath("/WEB-INF/result/scoreSheet");
        FileWriter fw = new FileWriter(filePath);
        fw.write("考号\t姓名\t客观题成绩\n");
        while (ir.hasNext()) {
        	Record r = (Record)ir.next();
        	fw.write(r.getSid()+"\t"+r.getNm()+"\t"+r.getSelectTypeScore()+"\n");
        }
        fw.close();        
		return mapping.findForward("endTip");
	}
	
}