listadminaction.java

该程序能够准确的记录互联网用户上网所用的流量

package com.briup.admin.web.action;

import java.util.List;

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

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.briup.admin.service.IAdminService;
import com.briup.common.dao.pojo.Admin;

/**
 *class ListAdminActiion
 *@author briup
 *Date 2008-2-25 下午01:58:24
 */

public class ListAdminAction extends Action {


	IAdminService adminService;

	public void setAdminService(IAdminService adminService) {
		this.adminService = adminService;
	}

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		/*start:开始索引
		 *num:每次查询的条数
		 *pagenum:每页的条数
		 *pages：所有信息对应的总页数
		 *productsum:所有的产品数
		 *currentPage：当前页
		 **/
		int start;
		int num;
		int pages;
		int pagenum=3;
		int adminnum;
		Integer currentPage;
		
		request.setCharacterEncoding("gb2312");
		response.setCharacterEncoding("gb2312");
			
		//若前页没有值，给其赋值1；否则从request中获取该当前页的值
		if(request.getParameter("currentPage")==null){
			currentPage=1;	
		}else{
			currentPage=(Integer.parseInt(request.getParameter("currentPage")));
		}
		try{
			//得到所有产品的记录条数
			adminnum=adminService.findAdmins();
			//判断并得到存储这些记录所需的总页数
			if(adminnum%pagenum==0){
				pages=adminnum/pagenum;
			}else{
				pages=adminnum/pagenum+1;
			}
			//循环，是实现分页显示查询到的结果
			for(int i=1;i<=pages;i++){
				if(i==currentPage){
					start=0+(i-1)*pagenum;
					num=3;
					
					List<Admin> list = adminService.findAdmins(start, num);
					
					request.setAttribute("adminList", list);
					request.setAttribute("currentPage", currentPage);
				}
			}
			request.setAttribute("pages", pages);
			request.setAttribute("adminnum", adminnum);
			
			return mapping.findForward("success");
		}catch(Exception e){
			e.printStackTrace();
			request.setAttribute("message", "营业员管理失败！");
			return mapping.findForward("failed");
		}
			
	}
	
}