在线考试系统JSP（使用了struts+hibernate框架）

package com.xdf.exams.web.action; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.Set; 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 com.xdf.exams.bean.Options; import com.xdf.exams.bean.Question; import com.xdf.exams.bean.Subject; import com.xdf.exams.bo.BOFactory; import com.xdf.exams.bo.IQuestionService; import com.xdf.exams.util.Constant; import com.xdf.exams.util.PageUtil; import com.xdf.exams.util.Tools; import com.xdf.exams.web.form.QuestionForm; import com.xdf.exams.web.form.SubjectForm; /** * MyEclipse Struts * Creation date: 04-05-2007 * * XDoclet definition: * @struts.action validate="true" */ public class SubjectAction extends BaseDispatchAction { /** * Method execute * @param mapping * @param form * @param request * @param response * @return ActionForward */ public ActionForward show(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { IQuestionService ser = BOFactory.getQuestionService(); String spageno = request.getParameter("pageno"); PageUtil pu = new PageUtil(spageno,ser.findAllSubjectsnum(),Constant.PAGESIZE); List list = ser.findAllSubjects(pu.getPageno(),pu.getPagesize()); request.setAttribute("subjectlist",list); request.setAttribute("pageutil",pu); return mapping.findForward("show"); } public ActionForward add(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { this.saveToken(request); SubjectForm sf = (SubjectForm)form; return mapping.findForward("add"); } public ActionForward adddo(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { SubjectForm sf = (SubjectForm)form; ActionForward af = null; if(this.isTokenValid(request)) { IQuestionService ser = BOFactory.getQuestionService(); Subject s = new Subject(); s.setIntro(sf.getIntro()); s.setName(sf.getName()); s.setSdate(Tools.d2sshort(new Date())); s.setState(sf.getState()); s.setTime(new Long(sf.getTime())); try { ser.addSubject(s); request.setAttribute("message","增加科目成功"); af = mapping.findForward("show"); this.resetToken(request); } catch (RuntimeException e) { e.printStackTrace(); request.setAttribute("message","增加科目失败"); af = mapping.findForward("add"); } }else { request.setAttribute("message","请不要重复刷新"); af = mapping.findForward("show"); } return af; } public ActionForward delete(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { IQuestionService ser = BOFactory.getQuestionService(); SubjectForm sf = (SubjectForm)form; try { Subject s = ser.findSubject(sf.getSubjectid()); ser.deleteSubject(s); request.setAttribute("message","删除成功"); } catch (RuntimeException e) { e.printStackTrace(); request.setAttribute("message","删除失败"); } return mapping.findForward("show"); } public ActionForward update(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { IQuestionService ser = BOFactory.getQuestionService(); SubjectForm sf = (SubjectForm)form; try { Subject s = ser.findSubject(sf.getSubjectid()); sf.setName(s.getName()); sf.setIntro(s.getIntro()); sf.setState(s.getState()); sf.setTime(s.getTime().intValue()); } catch (RuntimeException e) { e.printStackTrace(); request.setAttribute("message","查询失败"); } return mapping.findForward("update"); } public ActionForward updatedo(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { IQuestionService ser = BOFactory.getQuestionService(); SubjectForm sf = (SubjectForm)form; try { Subject s = ser.findSubject(sf.getSubjectid()); s.setName(sf.getName()); s.setIntro(sf.getIntro()); s.setState(sf.getState()); s.setTime(new Long(sf.getTime())); ser.updateSubject(s); request.setAttribute("message","修改成功"); } catch (RuntimeException e) { e.printStackTrace(); request.setAttribute("message","修改失败"); } return mapping.findForward("show"); } public ActionForward showquestion(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { IQuestionService ser = BOFactory.getQuestionService(); QuestionForm sf = (QuestionForm)form; String spageno = request.getParameter("pageno"); try { Subject s = ser.findSubject(sf.getSubjectid()); int num = ser.findQuestionnumBySubjects(sf.getSubjectid()); PageUtil pu = new PageUtil(spageno,num,Constant.PAGESIZE); List list = ser.findQuestionBySubjects(sf.getSubjectid(),pu.getPageno(),pu.getPagesize()); request.setAttribute("questionlist",list); request.setAttribute("pageutil",pu); request.setAttribute("subject",s); } catch (RuntimeException e) { e.printStackTrace(); request.setAttribute("message","查询失败"); } return mapping.findForward("show"); } public ActionForward addquestion(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { QuestionForm qf= (QuestionForm)form; IQuestionService ser = BOFactory.getQuestionService(); request.setAttribute("subject",ser.findSubject(qf.getSubjectid())); this.saveToken(request); return mapping.findForward("add"); } public ActionForward addquestiondo(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { ActionForward af = null; if(this.isTokenValid(request)) { try { IQuestionService ser = BOFactory.getQuestionService(); QuestionForm qf= (QuestionForm)form; Question que = new Question(); que.setContent(qf.getContent()); que.setQtype(qf.getQtype()); String rans = ""; if(qf.getRightanswers()!=null) for (int i=0;i<qf.getRightanswers().length;i++) { rans += qf.getRightanswers()[i]; } que.setRightanswer(rans); que.setScore(qf.getScore()); que.setSdate(Tools.d2sshort(new Date())); que.setSubject(ser.findSubject(qf.getSubjectid())); List oplist = new ArrayList(); if(qf.getOptions()!=null) for (int i=0;i<qf.getOptions().length;i++) { if(qf.getOptions()[i]!=null&&!qf.getOptions()[i].equals("")) { Options ops = new Options(); ops.setContent(qf.getOptions()[i]); ops.setQuestion(que); oplist.add(ops); } } ser.addQuestion(que,oplist); request.setAttribute("message","增加试题成功"); af = mapping.findForward("show"); this.resetToken(request); } catch (RuntimeException e) { e.printStackTrace(); request.setAttribute("message","增加试题失败"); af = mapping.findForward("add"); } }else { request.setAttribute("message","不要重复提交"); af = mapping.findForward("show"); } return af; } public ActionForward updatequestion(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { QuestionForm qf= (QuestionForm)form; IQuestionService ser = BOFactory.getQuestionService(); Question que = ser.findQuestion(qf.getQuestionid()); qf.setSubjectid(qf.getSubjectid()); qf.setQuestionid(que.getQuestionid()); qf.setContent(que.getContent()); qf.setQtype(que.getQtype()); qf.setScore(que.getScore()); qf.setRightanswers(Tools.tostringarray(que.getRightanswer())); Set s = que.getOptionses(); String[] os = new String[8]; int i=0; for (Object o:s) { Options opt = (Options)o; os[i]