shoppingcartremoveaction.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 java.util.Vector;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

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

import com.struts.controller.impl.ShoppingcartControllerImpl;
import com.struts.utils.Constants;

/**
 * @author cs
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class ShoppingcartRemoveAction 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");
		int productId=Integer.parseInt(request.getParameter("productId"));
		System.out.println("************************************************");
		System.out.println(productId);
		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);
		
		// 删除购物车中的商品
		shoppingcart=ShoppingcartControllerImpl.getInstance().removeShoppingcart(shoppingcart,productId);
//		shoppingcart=ShoppingcartController.getInstance().removeShoppingcart(shoppingcart,productId.intValue());
		session.setAttribute(Constants.Shoppingcart_Key,shoppingcart);
		return mapping.findForward("toShoppingcart");


	}

}