order.java

很多学校

/*
 * 帐单类
 * */
package com.tarena.entity;

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

public class Order {
	/*
	 * 帐单号(数据库自动生成)
	 * 条目集合(条目在数据库中存有帐单号属性)
	 * 用户(数据库中以用户号存储)
	 * 帐单总价
	 * */
	private Long oid;
	private List<Item> items;
	private User user;
	private double cost;
	
	public double getCost() {
		/*
		 * 不直接return cost,;原理同Item类
		 * */
		double cost=0;
		Iterator it=items.iterator();
		while(it.hasNext()){
			Item item=(Item) it.next();
			cost=cost+item.getCost();
		}
		return cost;
	}
	public void setCost(double cost) {
		this.cost = cost;
	}
	public Long getOid() {
		return oid;
	}
	public void setOid(Long oid) {
		this.oid = oid;
	}
	public User getUser() {
		return user;
	}
	public void setUser(User user) {
		this.user = user;
	}
	public List<Item> getItems() {
		return items;
	}
	public void setItems(List<Item> items) {
		this.items = items;
	}
}