item.java

网上商城源代码！实现了书店的列表和增加

package bookstore.model.eneity;
import java.io.Serializable;
public class Item implements Serializable{
	private Product product;
	private int number;
	private double cost;
	public Item(){}
	public Item(Product p,int n,double cost){
		this.product=p;
		this.number=n;
		this.cost=cost;
	}
	public double getCost() {
		return cost;
	}
	public void setCost(double cost) {
		this.cost = cost;
	}
	public int getNumber() {
		return number;
	}
	public void setNumber(int number) {
		this.number = number;
	}
	public Product getProduct() {
		return product;
	}
	public void setProduct(Product product) {
		this.product = product;
	}
	
	
	
}