removeaction.java

学JAVA时

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.0/xslt/JavaClass.xsl

package com.zhang.struts.action;

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 com.zhang.struts.dao.*;
import com.zhang.struts.po.Book;
import com.zhang.struts.util.ShoppingCart;

/** 
 * MyEclipse Struts
 * Creation date: 06-05-2006
 * 
 * XDoclet definition:
 * @struts.action input="/orderssucceed.jsp" scope="request" validate="true"
 */
public class RemoveAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	//删除购物车中数量Action
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) {

		String id = request.getParameter("id");
		HttpSession session= request.getSession(false);	    
	    ShoppingCart cart=(ShoppingCart)session.getAttribute("shoppingCart");
	    cart.remove(id);
	    session.setAttribute("shoppingCart",cart);
	    return mapping.findForward("removesucceed");
	}
}