student_submitpateraction.java

可以实现在线考试

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import business.Subject_StudentDAO;

import po.QuestionPO;

/** 
 * MyEclipse Struts
 * Creation date: 04-29-2007
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class student_submitpaterAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		
		HttpSession session = request.getSession();
		
		//改变该科目的考试状态
		String sid = (String)session.getAttribute("sid");
		String cid = (String)session.getAttribute("cid");
		Subject_StudentDAO ssdao = new Subject_StudentDAO();
		ssdao.modifyByRelationSid(Integer.parseInt(sid),Integer.parseInt(cid));
		
		String single = (String)request.getParameter("single");//学生的答案
		QuestionPO qpo = (QuestionPO)session.getAttribute("qpo");//所出的题
		String rkey = (String)session.getAttribute("rkey");//答对题数
		String wkey = (String)session.getAttribute("wkey");//答错题数
		
		if(qpo.getAnswer().equals(single))
		{
			rkey = (Integer.parseInt(rkey)+1)+"";
			session.setAttribute("rkey", rkey);
		}
		else
		{
			wkey = (Integer.parseInt(wkey)+1)+"";
			session.setAttribute("wkey", wkey);
		}
		
		
		
		return mapping.findForward("ok");//student_submitpater.jsp
	}
}