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畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼

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代碼片段和文件信息 

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量quantity參數值
	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，更新其數量
			cartItem.setQuantity（cartItem.getQuantity（）+1）;
		}else{
			//否則，創建一個條目到Map中
			cart.put（meal.getMealId（）new?CartItemBean（meal1））;
		}
		//頁面轉到shopCart.jsp，顯示購物車
		return?“shopCart“;
	}	
	
	//更改數量
	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??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\
?????文件????????2009??2014-05-01?21:09??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.classpath
?????文件?????????464??2014-05-03?08:15??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.myhibernatedata
?????文件????????1541??2014-05-01?21:05??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.project
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\
?????文件?????????522??2014-05-01?17:02??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\.jsdtscope
?????文件?????????179??2014-05-01?21:09??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\com.genuitec.runtime.libraries.xml
?????文件?????????364??2014-05-01?17:01??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\org.eclipse.jdt.core.prefs
?????文件?????????485??2014-05-01?17:01??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\org.eclipse.wst.common.component
?????文件?????????481??2014-05-01?21:05??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\org.eclipse.wst.common.project.facet.core.prefs.xml
?????文件?????????547??2014-05-01?21:09??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2014-05-01?17:02??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2014-05-01?17:02??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件?????????425??2014-05-01?21:08??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\.springBeans
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\meta-INF\
?????文件??????????39??2014-05-01?17:01??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\
?????文件????????5303??2014-05-25?08:53??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\applicationContext.xml
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\action\
?????文件????????2941??2014-06-13?17:42??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\action\CartAction.class
?????文件????????6670??2014-06-13?17:42??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\action\MealAction.class
?????文件????????5813??2014-06-13?17:42??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\action\OrdersAction.class
?????文件????????3516??2014-06-13?17:42??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\action\UserAction.class
?????目錄???????????0??2018-12-29?14:18??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\biz\
?????文件?????????512??2014-06-13?17:42??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\biz\MealBiz.class
?????文件?????????169??2014-06-13?17:42??畢設外賣訂餐系統JAVA+JSP+數據庫+項目部署教程+完整代碼\Restrant\WebRoot\WEB-INF\classes\com\restrant\biz\MealSeriesBiz.class
............此處省略296個文件信息

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