stockinshowservice.java

基于j2ee的物流软件

package com.wuliu.doservlet;

import java.util.List;

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

import com.wuliu.dao.StockInInfoDAO;
import com.wuliu.entity.StockInInfo;
/*
 * liujun 1-16 add pagination
 */
public class StockInShowService implements Service {

	public String doService(HttpServletRequest request,
			HttpServletResponse response) {
		// TODO Auto-generated method stub
		StockInInfoDAO skifdao=new StockInInfoDAO();

		//System.out.println("********************"+request.getParameter("page"));
		int page=Integer.parseInt(request.getParameter("page"));
		
		//System.out.println("==============="+request.getParameter("page"));

		List<StockInInfo> list= skifdao.selectStockInInfoPage(5, page);
		int count=skifdao.getPageNum(5)-1;
		int showpage=page;
		if(page>=count&&count!=0){
			request.setAttribute("forward", showpage-1);//前一页
			request.setAttribute("back", showpage);//后一页
			request.setAttribute("list", list);
			request.setAttribute("now", count+1);//当前页面
			request.setAttribute("count", count+1);
			request.setAttribute("end", count);
			
			return "/employee/stock/stockInInfo_show.jsp";
		}
		if(page==0){
			request.setAttribute("forward", showpage);//前一页
			if(count<=0){
				request.setAttribute("back", showpage);//后一页	
			}else{
			request.setAttribute("back", showpage+1);//后一页
			}
			request.setAttribute("list", list);
			request.setAttribute("now", showpage+1);//当前页面
			request.setAttribute("count", count+1);
			request.setAttribute("end", count);
			
			return "/employee/stock/stockInInfo_show.jsp";
		}
		request.setAttribute("forward", showpage-1);//前一页
		request.setAttribute("back", showpage+1);//后一页
		request.setAttribute("list", list);
		request.setAttribute("now", showpage+1);//当前页面
		request.setAttribute("count", count+1);
		request.setAttribute("end", count);
		
		return "/employee/stock/stockInInfo_show.jsp";
	}

}