products.java

设计 designdevisecontriveprojectengineerframeplanjsp网上购物车设计

package com.shopping;

import java.util.Vector;

public class Products {
	private Vector items=new Vector();
	
	synchronized public Vector getItems(){
		return items;
	}
	
	synchronized public Item getItem(String itemId){
		int index=Integer.parseInt(itemId);
		return (Item)items.elementAt(index);
	}
	
	synchronized public void setItem(Item item,String itemId){
		int index=Integer.parseInt(itemId);
		items.set(index, item);
		
	}
	
	public Products(){
		items.addElement(new Item("0","jsp应用开发详解",(float)59,false,"电子工业出版社"));
		items.addElement(new Item("1","java Web服务开发",(float)45,true,"电子工业出版社"));
		items.addElement(new Item("2","java编程思想",(float)99,true,"机械工业出版社"));
		items.addElement(new Item("3","JSP编程指南",(float)10,true,"电子工业出版社"));
		items.addElement(new Item("4","j2EE1.4应用开发详解",(float)68,true,"电子工业出版社"));
		items.addElement(new Item("5","j2EE企业级应用开发",(float)56,true,"电子工业出版社"));
		items.addElement(new Item("6","j2EE参考手册",(float)56,true,"电子工业出版社"));
		items.addElement(new Item("7","j2EE Web服务开发",(float)55,true,"电子工业出版社"));
	}
	
	public int getSize(){
		return items.size();
	}
}