addcartaction.java

来自「在线图书管理系统,所有框架struts2,hibernate,spring 希望」· Java 代码 · 共 72 行

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.9.210/xslt/JavaClass.xsl

package com.ascent.struts.action;

import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.ascent.bean.Book;
import com.ascent.util.ShoppingCart;
import com.ascent.util.ShoppingCartItem;

/** 
 * MyEclipse Struts
 * Creation date: 09-02-2005
 * 
 * XDoclet definition:
 * @struts:action validate="true"
 * @struts:action-forward name="viewcart" path="/viewCart.jsp" redirect="true"
 */
public class AddCartAction extends BaseAction {

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

	// --------------------------------------------------------- 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 = null;
		ShoppingCartItem cartItem = null;
		List list = (List)session.getAttribute("bookdetail");
		Book book = (Book)list.iterator().next();
		cartItem = new ShoppingCartItem();
		cartItem.setBook(book);
		
		if(session.getAttribute("items")==null){
		    cart = new ShoppingCart();			
		}else{
			cart = (ShoppingCart)session.getAttribute("cart");
		}
			
		cart.addItem(cartItem);
		List items = cart.getItems();
		session.setAttribute("items",items);
    	session.setAttribute("cart",cart);
//		session.setAttribute("total",new Double(cart.getTotalPrice()));
		
		return mapping.findForward("viewcart");
	}

}