questionaction.java

asp制作的在线考试系统

package cn.hxex.exam.action;

import java.io.IOException;

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

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

import cn.hxex.exam.dao.DAOFactory;
import cn.hxex.exam.dao.TestPaperDAO;
import cn.hxex.exam.model.TestPaper;
import cn.hxex.exam.struts.BaseAction;

/**
 * The Action about test Question
 * 
 * @struts.action
 * 	name="questionForm"
 *  path="/exam/question"
 *  scope="request"
 *  input="/exam/question_list.jsp"
 *  validate="false"
 *  parameter="p"
 * 
 * @struts.action-forward 
 *  name="list" 
 *  path="/exam/question_list.jsp"
 * 
 * @struts.action-forward 
 *  name="exam" 
 *  path="/exam/question_exam.jsp"
 * 
 * @author galaxy
 *
 */
public class QuestionAction extends BaseAction
{
	/**
	 * 进入试题列表页面
	 */
	public ActionForward list( ActionMapping mapping, 
			ActionForm form, 
			HttpServletRequest request, 
			HttpServletResponse response ) 
			throws IOException, ServletException
	{
		String paperid = request.getParameter( "paperid" );
		return list( paperid, mapping, request );
	}
	
	/**
	 * 获得试题列表信息
	 */
	public ActionForward list( String paperid, 
			ActionMapping mapping, 
			HttpServletRequest request )
	{
		// 取得试卷对象的信息
		TestPaperDAO dao = DAOFactory.getDao( TestPaperDAO.class );
		TestPaper paper = dao.findById( paperid, false );
		
		// 设置返回到页面的信息
		request.setAttribute( "paper", paper );
		request.setAttribute( "selectquestions", paper.getSelectquestions() );
		request.setAttribute( "yesnoquestions", paper.getYesnoquestions() );
		
		return mapping.findForward( "list" );
	}

	/**
	 * 进入试题发布页面
	 */
	public ActionForward addin( ActionMapping mapping, 
			ActionForm form, 
			HttpServletRequest request, 
			HttpServletResponse response ) 
			throws IOException, ServletException
	{
		// 取得试卷对象的信息
		String paperid = request.getParameter( "paperid" );
		TestPaperDAO paperdao = DAOFactory.getDao( TestPaperDAO.class );
		TestPaper paper = paperdao.findById( paperid, false );
		request.setAttribute( "paper", paper );
		
		// 进入试卷发布页面
		return mapping.findForward( "add" );
	}
	
	/**
	 * 进入试卷页面的Action方法
	 */
	public ActionForward exam( ActionMapping mapping, 
			ActionForm form, 
			HttpServletRequest request,
			HttpServletResponse response )
			throws IOException, ServletException
	{
		String paperid = request.getParameter( "paperid" );
		list( paperid, mapping, request );
		
		return mapping.findForward( "exam" );
	}
}