order.java

java学习的必要的资料,servlet的说明很好

package com.estore.struts.entity;

import java.io.Serializable;
import java.sql.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

public class Order implements Serializable {
	/**
	 * 
	 */
	private static final long serialVersionUID = -1452533944152019516L;

	private Integer orderid;

	private double totalprice;

	private int orderstate;

	private int payinfo;

	private Date createtime;

	private Set<OrderItem> orderItems = new HashSet<OrderItem>();

	private User user = new User();

	private UserItem userItem = new UserItem();

	public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}

	public UserItem getUserItem() {
		return userItem;
	}

	public void setUserItem(UserItem userItem) {
		this.userItem = userItem;
	}

	public void addOrderItem(OrderItem orderItem) {
		this.orderItems.add(orderItem);
	}

	public Set<OrderItem> getOrderItems() {
		return orderItems;
	}

	public void setOrderItems(Set<OrderItem> orderItems) {
		this.orderItems = orderItems;
	}

	public Integer getOrderid() {
		return orderid;
	}

	public void setOrderid(Integer orderid) {
		this.orderid = orderid;
	}

	public int getOrderstate() {
		return orderstate;
	}

	public void setOrderstate(int orderstate) {
		this.orderstate = orderstate;
	}

	public int getPayinfo() {
		return payinfo;
	}

	public void setPayinfo(int payinfo) {
		this.payinfo = payinfo;
	}

	public double getTotalprice() {
		
		/*
		 * 这个求总和的变量最好设计为一个局部变量；
		 */
		double total = 0.0;
		totalprice = total;
		for(OrderItem oi : orderItems ) {
			
			Product product = (Product) oi.getProduct();
			total = oi.getQuality() * product.getPrice();
			
			totalprice += total;
		}
		return totalprice;
	}

	public void setTotalprice(double totalprice) {
		this.totalprice = totalprice;
	}

	@Override
	public boolean equals(Object obj) {
		return this.hashCode() == obj.hashCode();
	}

	@Override
	public int hashCode() {
		return this.orderid.hashCode();
	}

	public Date getCreatetime() {
		return createtime;
	}

	public void setCreatetime(Date createtime) {
		this.createtime = createtime;
	}
	
	public String toString(){
		return "orderid: "+orderid
		+"\n totalprice: "+totalprice
		+"\n orderstate: "+orderstate
		+"\n payinfo: "+payinfo
		+"\n createtime: "+createtime
		+"\n orderItems: "+orderItems
		+"\n user: "+user
		+"\n userItem: "+userItem+"\n ---order end--- \n";
	}

	
}