examaction.java

在线考试 考生登陆 查分 管理员管理后台等的 的的的的达到的达到的的的

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package com.eonline.controller;

import com.eonline.model.*;

import demo.ScoreSessionRemote;
import java.util.*;
import java.sql.Timestamp;
import javax.naming.InitialContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;

/**
 *
 * @author Administrator
 */
public class ExamAction extends org.apache.struts.action.Action {
    
    /* forward name="success" path="" */
    private final static String SUCCESS = "success";
    
    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {

        Euser user=(Euser)request.getSession().getAttribute("userItem");
        if(user==null){
            return mapping.findForward("welcome");
        }

        List<Item1> list=new LinkedList();
        int totalScore=0;
        StringBuffer uanswer=new StringBuffer();    //Store user's all answer by the format ABD,B,空,C,BCD,
        StringBuffer sanswer=new StringBuffer();    //Store standard answer by ABD,B,ABC,C,BCD,
        HttpSession session=request.getSession();
        list=(List<Item1>)session.getAttribute("testList");
        for (Item1 item : list) {
            String[]  tempUserAnswer = (String[]) request.getParameterValues("Choose"+item.getQID());
            String userAnswer="";   //获取该道选择题的用户选择项的字符串
            if(tempUserAnswer!=null){
                for(String temp:tempUserAnswer){
                    if(temp!=null){
                        userAnswer+=temp;
                    }
                }
            }
            String standAnswer=item.getAnswer().replace(",", "");
            System.out.println("userAnswer="+userAnswer);


            if ((userAnswer != null)&&(!userAnswer.isEmpty())) {
                if (standAnswer.trim().equals(userAnswer.trim())) {
                    totalScore += 20;   //caculate scores
                }
                uanswer.append(userAnswer + ",");
            } else {
                uanswer.append("空" + ",");
            }
            sanswer.append(standAnswer.replace(",", "") + ",");
        }//end of for


 
        InitialContext ctx = new InitialContext();
        ScoreSessionRemote sSvc = (ScoreSessionRemote)ctx.lookup(ScoreSessionRemote.class.getName());
        sSvc.ScoreSessionBean(user.getUid());
        //ScoreService sSvc=new ScoreService(user.getUid());
        //java.text.SimpleDateFormat fmt=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");     //设置时间格式
        Timestamp date=new Timestamp(System.currentTimeMillis());   //获取系统时间
        Score score=new Score(user.getUid(),date, totalScore, uanswer.toString(), sanswer.toString());
        sSvc.addScore(score);   //考分存入数据库
        session.setAttribute("score", score);
        session.setAttribute("uanswer", uanswer);
        session.setAttribute("sanswer", sanswer);

        return mapping.findForward("success");
    }
}