e061c9492b32001d1da0d4e0a6e1ccbc

来自「一个J2EE 做的 网上图书销售管理系统」· 代码 · 共 63 行

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.briup.web.servlet;

import java.util.Collection;
import java.util.Iterator;
import java.util.List;

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.briup.bean.Orderline;
import com.briup.bean.ShoppingCart;

/**
 * MyEclipse Struts Creation date: 06-04-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action validate="true"
 */
public class ClearCartAction extends Action {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		HttpSession session = request.getSession();
		ShoppingCart cart = (ShoppingCart) session.getAttribute("cart");
		cart.removeAll();
		List<Orderline> list = (List) session.getAttribute("list");
		Iterator it = list.iterator();
		while (it.hasNext()) {
			list.remove(0);
		}
		Collection c = cart.getOrderlines();
		Iterator iter = c.iterator();
		while (iter.hasNext()) {
			Orderline orderline = (Orderline) iter.next();
			list.add(orderline);
		}
		session.setAttribute("list", list);
		return new ActionForward("/listCart.jsp");
	}
}