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package com.wgh.action;
import javax.servlet.http.*;
import org.apache.struts.action.*;
import com.wgh.actionForm.TaoTiForm;
import com.wgh.dao.LessonDAO;
import com.wgh.dao.TaoTiDAO;
public class TaoTi extends Action {
private TaoTiDAO taoTiDAO = null;
private LessonDAO lessonDAO=null;
public TaoTi() {
this.taoTiDAO = new TaoTiDAO();
this.lessonDAO=new LessonDAO();
}
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 (action == null || "".equals(action)) {
return mapping.findForward("error");
} else if ("taoTiQuery".equals(action)) {
return taoTiQuery(mapping, form, request, response);
}else if("taoTiAddQuery".equals(action)){
return taoTiAddQuery(mapping,form,request,response);
} else if ("taoTiAdd".equals(action)) {
return taoTiAdd(mapping, form, request, response);
} else if ("taoTiDel".equals(action)) {
return taoTiDel(mapping, form, request, response);
}else if("taoTiModifyQuery".equals(action)){
return taoTiModifyQuery(mapping,form,request,response);
}else if("taoTiModify".equals(action)){
return taoTiModify(mapping,form,request,response);
}
request.setAttribute("error", "操作失败！");
return mapping.findForward("error");
}
// 查询套题信息
private ActionForward taoTiQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
request.setAttribute("taoTiQuery", taoTiDAO.query(0));
return mapping.findForward("taoTiQuery");
}
// 添加套题
private ActionForward taoTiAdd(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TaoTiForm taoTiForm = (TaoTiForm) form;
int ret = taoTiDAO.insert(taoTiForm);
System.out.println("返回值ret：" + ret);
if (ret == 1) {
return mapping.findForward("taoTiAdd");
} else if (ret == 2) {
request.setAttribute("error", "该套题已经添加！");
return mapping.findForward("error");
} else {
request.setAttribute("error", "添加套题失败！");
return mapping.findForward("error");
}
}
// 添加套题时查询
private ActionForward taoTiAddQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
request.setAttribute("lessonList",lessonDAO.query(0)); //全部课程列表
return mapping.findForward("taoTiAddQuery");
}
// 修改套题时查询
private ActionForward taoTiModifyQuery(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TaoTiForm taoTiForm=(TaoTiForm)((taoTiDAO.query(Integer.parseInt(request.getParameter("id")))).get(0));
request.setAttribute("taoTiModifyQuery", taoTiForm);
request.setAttribute("lessonList",lessonDAO.query(0)); //全部课程列表
return mapping.findForward("taoTiModifyQuery");
}
//修改套题
private ActionForward taoTiModify(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TaoTiForm taoTiForm = (TaoTiForm) form;
int ret = taoTiDAO.update(taoTiForm);
if (ret == 0) {
request.setAttribute("error", "修改套题失败！");
return mapping.findForward("error");
} else {
return mapping.findForward("taoTiModify");
}
}
// 删除套题
private ActionForward taoTiDel(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
TaoTiForm taoTiForm = (TaoTiForm) form;
int ret = taoTiDAO.delete(taoTiForm);
if (ret == 0) {
request.setAttribute("error", "删除套题失败！");
return mapping.findForward("error");
} else {
return mapping.findForward("taoTiDel");
}
}
}