spring+struts+hibernate+ajax订餐网站源码

/** * */ package org.ourlife.restrant.web.action; import java.util.ArrayList; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.actions.DispatchAction; import org.ourlife.restrant.biz.FTypeBiz; import org.ourlife.restrant.biz.FoodBiz; import org.ourlife.restrant.biz.RestrantBiz; import org.ourlife.restrant.entity.FType; import org.ourlife.restrant.entity.LRestrant; import org.ourlife.restrant.entity.RFood; import org.ourlife.restrant.web.form.FoodForm; /** * @author L@H * */ public class FoodAction extends DispatchAction { /* * Generated Methods */ private FoodBiz foodBiz = null; private RestrantBiz restrantBiz = null; private FTypeBiz typeBiz = null; /** * 显示餐品类型列表 * @param mapping * @param form * @param request * @param response * @return */ public ActionForward doShowFTypeList(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { // TODO 显示餐品列表 //创建session HttpSession session = request.getSession(true); //若用户没有登陆则直接跳到登陆页面 if(session.getAttribute("user") == null){ return mapping.findForward("login"); } //所有的餐品类型 List<FType> allTypes = typeBiz.getAllFTypes(); //得到餐厅编号 int restrantId = new Integer( request.getParameter("RestrantID") ); //得到餐厅 LRestrant restrant = restrantBiz.getRestrantDetail(restrantId); //得到餐厅的餐品信息转化为餐品列表 Object[] foodListObj = restrant.getFoods().toArray(); List<RFood> foodList = new ArrayList<RFood>(); for(int i = 0; i < foodListObj.length; i++){ foodList.add((RFood)foodListObj[i]); } //得到餐厅经营的所有餐品类型 List<FType> typeList = new ArrayList<FType>(); for(int i = 0; i < allTypes.size(); i++){ for(int j = 0; j < foodList.size(); j++){ int typeId = foodList.get(j).getType().getTypeId(); int typeIdAll = allTypes.get(i).getTypeId(); if(typeId == typeIdAll){ typeList.add(allTypes.get(i)); break; } } } //得到第一个餐品类型的餐品信息 int currentTypeId = typeList.get(0).getTypeId(); List<RFood> foodListByType = new ArrayList<RFood>(); if(typeList.size() > 0){ for(int i = 0; i < foodList.size(); i++){ RFood food = (RFood)foodList.get(i); int typeId = food.getType().getTypeId(); if(currentTypeId == typeId){ foodListByType.add(food); } } } //将餐品列表保存到request中 session.setAttribute("RestrantDetail", restrant); session.setAttribute("FoodTypeList", typeList); session.setAttribute("FoodList", foodList); session.setAttribute("CurrentTypeId", currentTypeId); session.setAttribute("FoodListByType", foodListByType); //将请求转发至逻辑名为"food"的页面 ActionForward af = mapping.findForward("food"); return af; } /** * 显示相应餐品类型的餐品列表 * @param mapping * @param form * @param request * @param response * @return */ public ActionForward doShowFoodListByType(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { // TODO 显示餐品列表 //创建session HttpSession session = request.getSession(true); //得到餐品类型编号 int typeId = new Integer( request.getParameter("TypeID") ); //得到餐厅的餐品信息 List<RFood> foodList = (List<RFood>)session.getAttribute("FoodList"); //得到该餐品类型的餐品信息 List<RFood> foodListByType = new ArrayList<RFood>(); for(int i = 0; i < foodList.size(); i++){ RFood food = foodList.get(i); int currentType = food.getType().getTypeId(); if(currentType == typeId) foodListByType.add(food); } //将餐品列表保存到request中 session.setAttribute("FoodListByType", foodListByType); session.setAttribute("CurrentTypeId", typeId); //将请求转发至逻辑名为"food"的页面 ActionForward af = mapping.findForward("food"); return af; } /** * 显示餐品的详细信息 * @param mapping * @param form * @param request * @param response * @return */ public ActionForward doShowFoodDetail(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { // TODO 显示餐厅列表 //得到编号 String foodId = request.getParameter("FoodId") ; //得到餐厅的详细信息 RFood food = foodBiz.getFoodDetail(foodId); //将餐厅列表保存到request中 request.setAttribute("Food", food); //将请求转发至逻辑名为"food"的页面 ActionForward af = mapping.findForward("food"); return af; } /** * 搜索餐品 * @param mapping * @param form * @param request * @param response * @return */ public ActionForward doSearchFood(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { // TODO 显示餐厅列表 //创建session HttpSession session = request.getSession(true); //获取表单数据 FoodForm searchForm = (FoodForm)form; LRestrant restrant = (LRestrant)session.getAttribute("RestrantDetail"); //得到餐品列表 List<RFood> foodList = foodBiz.searchFood(restrant.getResId(), searchForm.getFood()); //所有的餐品类型 List<FType> allTypes = typeBiz.getAllFTypes(); //得到餐厅经营的所有餐品类型 List<FType> typeList = new ArrayList<FType>(); for(int i = 0; i < allTypes.size(); i++){ for(int j = 0; j < foodList.size(); j++){ int typeId = foodList.get(j).getType().getTypeId(); int typeIdAll = allTypes.get(i).getTypeId(); if(typeId == typeIdAll){ typeList.add(allTypes.get(i)); break; } } } //得到第一个餐品类型的餐品信息 int currentTypeId = 0; List<RFood> foodListByType = new ArrayList<RFood>(); if(typeList.size() > 0){ currentTypeId = typeList.get(0).getTypeId(); for(int i = 0; i < foodList.size(); i++){ RFood food = (RFood)foodList.get(i); int typeId = food.getType().getTypeId(); if(currentTypeId == typeId){ foodListByType.add(food); } } } //将餐品列表保存到request中 session.setAttribute("RestrantDetail", restrant); session.setAttribute("FoodTypeList", typeList); session.setAttribute("FoodList", foodList); session.setAttribute("CurrentTypeId", currentTypeId); session.setAttribute("FoodListByType", foodListByType); //将请求转发至逻辑名为"restrant"的页面 ActionForward af = mapping.findForward("food"); return af; } public void setFoodBiz(FoodBiz foodBiz){ this.foodBiz = foodBiz; } public void setRestrantBiz(RestrantBiz restrantBiz){ this.restrantBiz = restrantBiz; } public void setTypeBiz(FTypeBiz typeBiz){ this.typeBiz = typeBiz; } }