queryfoodinfoaction.java

实现网上订餐系统

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

import java.util.List;
import java.util.Vector;

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.eatery.po.FoodInfo;
import com.eatery.service.FoodInfoService;
import com.eatery.util.PageController;

/** 
 * MyEclipse Struts
 * Creation date: 06-08-2007
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class QueryFoodInfoAction extends Action {
	private FoodInfoService service;
	public FoodInfoService getService() {
		return service;
	}
	public void setService(FoodInfoService service) {
		this.service = service;
	}
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		
		int	fid = Integer.parseInt(request.getParameter("fid"));
		
		FoodInfo foodInfo=service.findFoodById(fid);
		
		List list=(List) servlet.getServletContext().getAttribute("FoodCommentList");
		if(list==null){
			list=new Vector();
		}
		
		PageController pageC=new PageController(list.size(),5);
		int page=1;
		try {
			page = Integer.parseInt(request.getParameter("page"));
		} catch (NumberFormatException e) {
		}
		pageC.setCurrentPage(page); 
		
		request.setAttribute("TotalRow", list.size());
		request.setAttribute("currPage", pageC.getCurrentPage());
		request.setAttribute("TotalPage", pageC.getTotalPages());
		request.setAttribute("NextPage", pageC.getNextPage());
		request.setAttribute("BackPage", pageC.getPreviousPage());
		request.setAttribute("PageStartRow", pageC.getPageStartRow());
		request.setAttribute("PageSize", pageC.getPageSize());
		
		servlet.getServletContext().setAttribute("FoodCommentList",list);
		request.setAttribute("FoodInfo", foodInfo);
		return mapping.findForward("ok");
	}
}