stockinpageaction.java

老牌java开发的物流管理系统 详细的我也没有怎么看 好像是恒基的

package com.wl.actionimpl;

import java.util.List;

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

import com.wl.action.Action;

import com.wl.dao.StockInDAO;

import com.wl.entity.StockInInfo;

public class StockinPageAction implements Action {

	public String doExcute(HttpServletRequest request,
			HttpServletResponse response) {
		StockInDAO dao = new StockInDAO();
		int	page = 0;
		if(request.getParameter("page")!= null){
			page = Integer.parseInt(request.getParameter("page"));
		}
		List<StockInInfo> list = dao.selectstockinfoPage(5, page);
		request.setAttribute("list",list);
		int count=dao.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 "/admin/showstockininfo.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 "/admin/showstockininfo.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 "/admin/showstockininfo.jsp";
	}
}