src/com/xx/supermarket/dto/CartItem.java

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package com.xx.supermarket.dto;

import com.xx.supermarket.entity.Product;

/**
 * 购物项对象
 * 
 *
 */
public class CartItem {
	private Product product;	// 购物项中商品信息
	private int count;			// 购买某种商品数量
	private double subtotal;	// 购买某种商品小计
	public Product getProduct() {
		return product;
	}
	public void setProduct(Product product) {
		this.product = product;
	}
	public int getCount() {
		return count;
	}
	public void setCount(int count) {
		this.count = count;
	}
	// 小计自动计算的.
	public double getSubtotal() {
		return count * product.getPrice();
	}
	/*public void setSubtotal(double subtotal) {
		this.subtotal = subtotal;
	}
	*/
	
}