moreresourceaction.java

一个oa系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.oa.resource.action;

import java.io.IOException;
import java.io.PrintWriter;
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.oa.db.ResourceDAO;
import com.oa.page.PageBean;

/** 
 * MyEclipse Struts
 * Creation date: 09-15-2007
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 * @struts.action-forward name="success" path="/resource/moreresource.jsp"
 */
public class MoreresourceAction extends Action {
	/*
	 * Generated Methods
	 */
	ResourceDAO rdao;
	public ResourceDAO getRdao() {
		return rdao;
	}
	public void setRdao(ResourceDAO rdao) {
		this.rdao = rdao;
	}
	/** 
	 * 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
		HttpSession session = request.getSession();
		String username=(String)session.getAttribute("username");
		response.setCharacterEncoding("gbk");
		PrintWriter out=null;
		try {
			out = response.getWriter();
		} catch (IOException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}
		if(username!=null){
			List list = rdao.Query();System.out.println(list.size());
			int total = list.size();
			PageBean pageBean = new PageBean();
	        pageBean.setPageSize(50);//每页显示最大条数
			pageBean.setTotalRecoder(list.size());//总行数
			String currentPage = request.getParameter("currentPage");//当前页
	        String turnpage = request.getParameter("turnpage");
	        if(turnpage!=null){
	        	currentPage = turnpage;
	        	pageBean.setCurrentPage(Integer.valueOf(currentPage));
	        	request.setAttribute("turnpage", turnpage);
	        	request.setAttribute("currentpage", Integer.valueOf(currentPage));
	        	int start = pageBean.getStart()-1;						
				request.setAttribute("pageBean",pageBean);				
				if((total-start)>50){
					request.setAttribute("list", list.subList(start, start+50));
				}else{
					request.setAttribute("list", list.subList(start, total));
				}
	        }else{		        						
				if(currentPage == null){
					pageBean.setCurrentPage(1);
					request.setAttribute("turnpage", "1");
					request.setAttribute("currentpage", 1);
				}else{
					pageBean.setCurrentPage(Integer.valueOf(currentPage));
					request.setAttribute("turnpage", currentPage);
					request.setAttribute("currentpage", Integer.valueOf(currentPage));
				}
				int start = pageBean.getStart()-1;						
				request.setAttribute("pageBean",pageBean);				
				if((total-start)>50){
					request.setAttribute("list", list.subList(start, start+50));
				}else{
					request.setAttribute("list", list.subList(start, total));
				}
	        }      
			return mapping.findForward("success");
		}else{ 		
		    out.print("<script>alert('您的操作超时，请重新登录!');");
		    out.print("window.open('login.jsp','_top');");
		    out.print("</script>");
		    out.flush();
		}
		return null;
	}
}