goodsshowservice.java

来自「基于j2ee的物流软件」· Java 代码 · 共 57 行

package com.wuliu.doservlet;

import java.util.ArrayList;
import java.util.List;

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

import com.wuliu.dao.GoodsInfoDAO;
import com.wuliu.entity.GoodsInfo;

public class GoodsShowService implements Service
{
	/**
	 * @author 崔斌 － 货源浏览
	 * */
	public String doService(HttpServletRequest request,
			HttpServletResponse response)
	{
		int page = Integer.parseInt(request.getParameter("page"));
		GoodsInfoDAO gdao = new GoodsInfoDAO();
		List<GoodsInfo> list = new ArrayList<GoodsInfo>();
		list = gdao.selectGoodsInfoPage(10,page);
		int count=gdao.getPageNum(10)-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/goods/goodsshow.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/goods/goodsshow.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/goods/goodsshow.jsp";
	}
}