shoppingcartupdateaction.java

JSP开发的完整的网络商店.包含源代码和开发文档等

/*
 * Created on 2005-11-4
 * Author 曹汕
 * Version 1.0
 * Copyright by CS.SSPKU Inc. All rights reserved. 
 */
package com.struts.action;


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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import javax.servlet.ServletContext;
import javax.servlet.http.*;
import java.util.*;

import org.apache.struts.action.DynaActionForm;

import com.struts.utils.*;
import com.struts.business.*;
import com.struts.controller.impl.MemberControllerImpl;
import com.struts.controller.impl.ShoppingcartControllerImpl;

public final class ShoppingcartUpdateAction extends MemberBaseAction {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		//从request中获取productId

		ServletContext context = servlet.getServletContext();

		DynaActionForm shoppingcartForm = (DynaActionForm) form;
		Integer[] productId = (Integer[])shoppingcartForm.get("productId");

		Integer[] quantity = (Integer[])shoppingcartForm.get("quantity");
//		Integer productId = (Integer)shoppingcartForm.get("productId");
//		Integer quantity = (Integer)shoppingcartForm.get("quantity");
//		int productId=Integer.parseInt(request.getParameter("productId"));
//		int quantity=Integer.parseInt(request.getParameter("quantity"));
//		System.out.println("************************************************");
//		System.out.println(quantity);
//		System.out.println("************************************************");

		//获取session
		HttpSession session = request.getSession(true);

		//String PageForward;
		//ActionMessages errors = new ActionMessages();
				
		Vector shoppingcart = (Vector) session.getAttribute(Constants.Shoppingcart_Key);
		
		// 修改购物车中的商品数量
		shoppingcart=ShoppingcartControllerImpl.getInstance().updateShoppingcart(shoppingcart,productId, quantity);
//		shoppingcart=ShoppingcartController.getInstance().updateShoppingcart(shoppingcart,productId.intValue(), quantity.intValue());
		session.setAttribute(Constants.Shoppingcart_Key,shoppingcart);
		return mapping.findForward("toShoppingcart");


	}

}