?? liststudentaction.java
字號(hào):
package org.yeeku.action;
import org.apache.struts.action.*;
import org.apache.struts.validator.DynaValidatorForm;
import javax.servlet.http.*;
import org.yeeku.action.base.BaseAction;
import org.yeeku.service.ExamService;
/**
* @author yeeku.H.lee kongyeeku@163.com
* @version 1.0
* <br>Copyright (C), 2005-2008, yeeku.H.Lee
* <br>This program is protected by copyright laws.
* <br>Program Name:
* <br>Date:
*/
public class ListStudentAction extends BaseAction
{
public ActionForward execute(ActionMapping mapping,ActionForm form,
HttpServletRequest request, HttpServletResponse response)throws Exception
{
int studentCount = examService.getStudentCount();
if (studentCount < 1)
{
request.setAttribute("msg" , "暫時(shí)沒有任何學(xué)生");
return mapping.findForward("success");
}
int pageCount = examService.getPageCount(studentCount , ExamService.STUDENT_PAGE_SIZE);
int pageNo;
if (request.getParameter("pageNo") == null || request.getParameter("pageNo").trim().equals(""))
{
pageNo = 1;
}
try
{
pageNo = Integer.parseInt(request.getParameter("pageNo").trim());
}
catch (Exception e)
{
pageNo = 1;
}
//如果請(qǐng)求頁已經(jīng)超出了最大頁
if (pageNo > pageCount)
{
pageNo = pageCount;
}
request.setAttribute("pageCount" , pageCount);
request.setAttribute("currentPage" , pageNo);
request.setAttribute("studentList" , examService.listStudent(pageNo));
return mapping.findForward("success");
}
}
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