item.java

网上购物车的JAVA代码实现版

package feng.shoppingcart.entity;

import java.io.Serializable;
import java.util.*;
public class Item implements Serializable{
	private Integer id;
	private Product product;
	private int number;
	private double cost=0;
	private Order order;
	
	
	public Item(){}
	public Order getOrder(){
		return order;
	}
	public void setOrder(Order order){
		this.order=order;
	//	order.addItem(this);
	}
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public Product getProduct() {
		return product;
	}
	public void setProduct(Product product) {
		this.product = product;
	}
	public int getNumber() {
		return number;
	}
	public void setNumber(int number) {
		this.number = number;
	//	this.cost=product.getPrice()*number;
	}
	public double getCost() {
		return cost;
	}
	public void setCost(double cost) {
		this.cost = cost;
	}
	@Override
	public String toString(){
		return "itemid:"+id+" productname:"+product.getName()+" number:"+number+" cost:"+cost;
	}
}