tailaction.java

一个简单的人员管理。运用了ajax和struts、hibernate框架开发。

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.liu.ems.struts.action;

import java.util.List;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.liu.ems.hibernate.BaseDAO;
import com.liu.ems.pub.*;

/** 
 * MyEclipse Struts
 * Creation date: 01-08-2008
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class TailAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// TODO Auto-generated method stub
		String hql="from Employees";
		List listsize = null;
        BaseDAO dao=new BaseDAO();
		try{
			listsize = dao.findAllHql(hql);
			
		} catch (Exception e) {
			e.printStackTrace();
		}
		int pageSize=2;
		PageBean pagebean = new PageBean();
		pagebean.setTotalRecord(listsize.size());
		int pageIndex;
		if(pagebean.getTotalRecord()%pageSize!=0){
			pageIndex = (int)pagebean.getTotalRecord()/pageSize+1;
		}else{
			pageIndex = (int)pagebean.getTotalRecord()/pageSize;
		}
		PageBean page=new PageBean(hql,pageSize,pageIndex);
		HttpSession session=request.getSession();
		session.setAttribute("empPager", page);
		List list=new PagerDAO().findByPageNo(hql, pageSize, pageIndex);
		request.setAttribute("empList", list);
		return mapping.findForward("query");
	}
}