searchpapersaction.java

来自「JAVA编写的远程教育程序,包含了教育学的基本思想和网络应用程序的基本开发模式」· Java 代码 · 共 71 行

package com.whatratimes.webedu.gradepaper;

import org.apache.struts.action.*;

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

/**
 * User: Tao
 * Date: May 29, 2003
 * Time: 8:49:47 AM
 *
 * 实现未批改试卷的搜索功能，教师可以从此页面进入试卷的批改
 */
public class SearchPapersAction extends Action
{
    public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws Exception
    {
        if ( httpServletRequest.getParameter("Clear") != null )
        {
            ((DynaActionForm) actionForm).initialize(actionMapping);
        }

        HttpSession session = httpServletRequest.getSession();

        DynaActionForm form = (DynaActionForm) actionForm;

        Integer class_id = (Integer) form.get("ClassId");
        Integer course_id = (Integer) form.get("CourseId");

        Integer grade_mode = (Integer) form.get("GradeMode");

        session.removeAttribute("Papers");
        session.removeAttribute("QuestionStat");

        switch (((Integer) form.get("ChangedField")).intValue())
        {
            case 0:
                if (session.getAttribute("SearchExams") == null)
                {
                    GradePaperHelper.setExams(new Integer(0), new Integer(0), session);
                } else
                {
                    if (grade_mode.intValue() == 0)
                    {
                        GradePaperHelper.setSearchedPapers(form, session);
                    } else
                    {
                        GradePaperHelper.setSearchedQuestionStat(form, session);
                    }
                }
                break;
            case 1:
                form.set("ExamId", new Integer(0));
                GradePaperHelper.setExams(class_id, course_id, session);
                break;
            case 2:
                form.set("ExamId", new Integer(0));
                GradePaperHelper.setExams(class_id, course_id, session);
                break;
           case 3:
                break;
        }

        form.set("ChangedField", new Integer(0));
        return actionMapping.findForward("success");
    }

}