item.java

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/*
 * 条目类
 * */
package com.tarena.entity;

public class Item {
	/*
	 * 条目号(数据库自动生成)
	 * 商品(数据库中以商品号存储)
	 * 商品数量
	 * 条目总价
	 * */
	private Long oid;
	private Product product;
	private int number;
	private double cost;
	
	
	
	public Item() {
	}

	public Item(Product product, int number) {
		super();
		this.product = product;
		this.number = number;
	}
	
	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;
	}
	
	public double getCost(){
		double price=product.getPrice()*number;
		long val=Math.round(price*100);
		return val/100.0;
	}
	
	public Long getOid() {
		return oid;
	}
	public void setOid(Long oid) {
		this.oid = oid;
	}
	public void setCost(double cost) {
		this.cost = cost;
	}
	
}