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Questions.java
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Questions.java
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package com.wgh.action;
import javax.servlet.http.*;
import org.apache.struts.action.*;
import com.wgh.actionForm.QuestionsForm;
import com.wgh.actionForm.TaoTiForm;
import com.wgh.core.ChStr;
import com.wgh.dao.LessonDAO;
import com.wgh.dao.QuestionsDAO;
import com.wgh.dao.TaoTiDAO;
public class Questions extends Action {
private QuestionsDAO questionsDAO = null;
private LessonDAO lessonDAO=null;
private TaoTiDAO taoTiDAO=null;
public Questions() {
this.questionsDAO = new QuestionsDAO();
this.lessonDAO=new LessonDAO();
this.taoTiDAO=new TaoTiDAO();
}
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
String action = request.getParameter("action");
System.out.println("获取的查询字符串:" + action);
if ("questionsQuery".equals(action)) {
return questionsQuery(mapping, form, request, response);
}else if("questionsAddQuery".equals(action)){
return questionsAddQuery(mapping,form,request,response);
} else if ("questionsAdd".equals(action)) {
return questionsAdd(mapping, form, request, response);
} else if ("questionsDel".equals(action)) {
return questionsDel(mapping, form, request, response);
}else if("questionsModifyQuery".equals(action)){
return questionsModifyQuery(mapping,form,request,response);
}else if("questionsModify".equals(action)){
return questionsModify(mapping,form,request,response);
}else if("queryTaoTi".equals(action)){
return queryTaoTi(mapping,form,request,response);
}else{
request.setAttribute("error", "操作失败!");
return mapping.findForward("error");
}
}
// 查询考试题目信息
private ActionForward questionsQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
request.setAttribute("questionsQuery", questionsDAO.query(0));
return mapping.findForward("questionsQuery");
}
// 添加考试题目
private ActionForward questionsAdd(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
QuestionsForm questionsForm = (QuestionsForm) form;
int ret = questionsDAO.insert(questionsForm);
if (ret == 1) {
return mapping.findForward("questionsAdd");
} else if (ret == 2) {
request.setAttribute("error", "该考试题目已经添加!");
return mapping.findForward("error");
} else {
request.setAttribute("error", "添加考试题目失败!");
return mapping.findForward("error");
}
}
// 添加考试题目时查询
private ActionForward questionsAddQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
request.setAttribute("lessonList",lessonDAO.query(-1)); //全部包括套题的课程列表
return mapping.findForward("questionsAddQuery");
}
//根据课程查询套题ajax
private ActionForward queryTaoTi(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
request.setAttribute("taoTiList",taoTiDAO.queryTaoTi(Integer.parseInt(request.getParameter("id")))); //查询指定课程的套题列表
return mapping.findForward("queryTaoTi");
}
// 修改考试题目时的查询
private ActionForward questionsModifyQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
QuestionsForm questionsForm=(QuestionsForm)((questionsDAO.query(Integer.parseInt(request.getParameter("id")))).get(0));
request.setAttribute("questionsModifyQuery", questionsForm);
return mapping.findForward("questionsModifyQuery");
}
//修改考试题目
private ActionForward questionsModify(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
QuestionsForm questionsForm = (QuestionsForm) form;
int ret = questionsDAO.update(questionsForm);
if (ret == 0) {
request.setAttribute("error", "修改考试题目失败!");
return mapping.findForward("error");
} else {
return mapping.findForward("questionsModify");
}
}
// 删除考试题目
private ActionForward questionsDel(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
QuestionsForm questionsForm = (QuestionsForm) form;
int ret = questionsDAO.delete(questionsForm);
if (ret == 0) {
request.setAttribute("error", "删除考试题目失败!");
return mapping.findForward("error");
} else {
return mapping.findForward("questionsDel");
}
}
}