package?com.restrant.action;

import?java.util.HashMap;
import?java.util.Map;
import?org.apache.struts2.interceptor.SessionAware;
import?com.opensymphony.xwork2.ActionSupport;
import?com.restrant.biz.MealBiz;
import?com.restrant.biz.MealSeriesBiz;
import?com.restrant.entity.CartItemBean;
import?com.restrant.entity.Meal;

public?class?CartAction?extends?ActionSupport?implements?SessionAware?{	
	//封裝表單傳遞來的餐品編號mealId參數(shù)值
	private?Integer?mealId;
	public?void?setMealId（Integer?mealId）?{
		this.mealId?=?mealId;
	}	
	public?Integer?getMealId（）?{
		return?mealId;
	}
	//封裝表單傳遞來的餐品數(shù)量quantity參數(shù)值
	int?quantity;	
	public?int?getQuantity（）?{
		return?quantity;
	}
	public?void?setQuantity（int?quantity）?{
		this.quantity?=?quantity;
	}
	MealBiz?mealBiz;
	public?void?setMealBiz（MealBiz?mealBiz）?{
		this.mealBiz?=?mealBiz;
	}
	MealSeriesBiz?mealSeriesBiz;	
	public?void?setMealSeriesBiz（MealSeriesBiz?mealSeriesBiz）?{
		this.mealSeriesBiz?=?mealSeriesBiz;
	}
	Mapject>?session;
	@Override
	public?void?setSession（Mapject>?session）?{
		this.session=session;
	}
	//將餐品添加到購物車
	public?String?addtoshopcart（）?throws?Exception?{
		//從session中取出購物車，放入Map對象cart中
		Map?cart=（Map）session.get（“cart“）;
		//獲取當前要添加到購物車的菜品
		Meal?meal=mealBiz.getMealByMealId（mealId）;
		//如果購物車不存在，則創(chuàng)建購物車（實例化HashMap類），并存入session中
		if（cart==null）{
			cart=new?HashMap（）;
			session.put（“cart“?cart）;
		}
		//如果存在購物車，則判斷餐品是否在購物車中
		CartItemBean?cartItem=（CartItemBean）cart.get（meal.getMealId（））;
		if（cartItem!=null）{
		????//如果餐品在購物車中，更新其數(shù)量
			cartItem.setQuantity（cartItem.getQuantity（）+1）;
		}else{
			//否則，創(chuàng)建一個條目到Map中
			cart.put（meal.getMealId（）new?CartItemBean（meal1））;
		}
		//頁面轉(zhuǎn)到shopCart.jsp，顯示購物車
		return?“shopCart“;
	}	
	
	//更改數(shù)量
	public?String?updateSelectedQuantity（）?throws?Exception?{
		//從session中取出購物車，放入Map對象cart中
	????Map?cart=（Map）session.get（“cart“）;
	????CartItemBean?cartItem=（CartItemBean）cart.get（mealId）;
	????cartItem.setQuantity（quantity）;
	????return?“shopCart“;
	}
	
	//從購物車中移除指定編號訂單
	public?String?deleteSelectedOrders（）?throws?Exception?{
		//從session中取出購物車，放入Map對象cart中
	????Map?cart=（Map）session.get（“cart“）;
	????cart.remove（mealId）;
	????return?“shopCart“;
	}	
	
	//清空購物車
	public?String?clearCart（）?throws?Exception?{
		//從session中取出購物車，放入Map對象cart中
	????Map?cart=（Map）session.get（“cart“）;
	????cart.clear（）;
	????return?“shopCart“;
	}	
	
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-11-30?19:03??Restrant\
?????文件????????9104??2016-11-30?19:04??Restrant\.classpath
?????文件?????????464??2014-05-03?08:15??Restrant\.myhibernatedata
?????文件????????1615??2016-01-14?10:29??Restrant\.project
?????目錄???????????0??2016-11-30?19:03??Restrant\.settings\
?????文件?????????522??2014-05-01?17:02??Restrant\.settings\.jsdtscope
?????文件????????1009??2016-04-10?11:05??Restrant\.settings\com.genuitec.eclipse.j2eedt.core.prefs
?????文件?????????179??2014-05-01?21:09??Restrant\.settings\com.genuitec.runtime.libraries.xml
?????文件?????????598??2016-04-10?11:05??Restrant\.settings\org.eclipse.jdt.core.prefs
?????文件?????????485??2016-04-10?11:05??Restrant\.settings\org.eclipse.wst.common.component
?????文件?????????481??2014-05-01?21:05??Restrant\.settings\org.eclipse.wst.common.project.facet.core.prefs.xml
?????文件?????????547??2014-05-01?21:09??Restrant\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2014-05-01?17:02??Restrant\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2014-05-01?17:02??Restrant\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件?????????425??2014-05-01?21:08??Restrant\.springBeans
?????目錄???????????0??2016-11-30?19:03??Restrant\data\
?????文件????????9273??2016-01-14?10:38??Restrant\data\restrant.sql
?????文件????????1076??2014-05-01?21:24??Restrant\hibernate.reveng.xml
?????目錄???????????0??2016-11-30?19:03??Restrant\src\
?????文件????????5473??2018-06-17?10:51??Restrant\src\applicationContext.xml
?????目錄???????????0??2016-04-10?15:57??Restrant\src\com\
?????目錄???????????0??2016-04-10?15:57??Restrant\src\com\restrant\
?????目錄???????????0??2016-11-30?19:03??Restrant\src\com\restrant\action\
?????文件????????2665??2014-05-09?09:39??Restrant\src\com\restrant\action\CartAction.java
?????文件????????7421??2014-05-11?21:12??Restrant\src\com\restrant\action\MealAction.java
?????文件????????4658??2016-11-30?19:05??Restrant\src\com\restrant\action\OrdersAction.java
?????文件????????2719??2014-05-11?20:35??Restrant\src\com\restrant\action\UserAction.java
?????目錄???????????0??2016-11-30?19:03??Restrant\src\com\restrant\biz\
?????目錄???????????0??2016-11-30?19:03??Restrant\src\com\restrant\biz\impl\
?????文件????????2365??2014-05-11?08:42??Restrant\src\com\restrant\biz\impl\MealBizImpl.java
?????文件?????????436??2014-05-02?11:39??Restrant\src\com\restrant\biz\impl\MealSeriesBizImpl.java
............此處省略294個文件信息