cartitem.java

续购物车

package shopping.objectType;


/**
 * 顾客购买的每个商品，设计CartItem对象记录商品的购买情况
 * 购买的每个商品、购买的数量和该商品的小计金额
 * @author lijin
 */
public class CartItem {
	private Product product;
	private Integer quantity;
	private Double itemPrice;
	
	public void setProduct(Product product){
	   this.product=product;
	}
	public void setQuantity(Integer quantity){
		this.quantity=quantity;
	}
	public void setItemPrice(Double itemPrice){
		this.itemPrice=itemPrice;
	}
	public Product getProduct(){
		return product;
	}
	public Integer getQuantity(){
		return quantity;
	}
	/**
	 * 小计金额
	 * @return Double
	 */
	public Double getItemPrice(){
		double price=this.getProduct().getProductPrice().doubleValue()*
		             this.getQuantity().intValue();
		return new Double(price);
	}
}