order.java

网上购物车的JAVA代码实现版

package feng.shoppingcart.entity;
import java.io.*;
import java.util.*;
public class Order implements Serializable {
	private Integer id;
	private Collection<Item> items=new HashSet<Item>();
	private User user;
	private int status=0;
	private double cost=0;
	
	public Order(){
		/*for(Item item:items){
			cost=cost+item.getCost();
		}*/
	}
	public void addItem(Item item){
		this.items.add(item);
	//	cost=item.getCost()+cost;
	}
	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public Collection<Item> getItems() {
		return items;
	}

	public void setItems(Collection<Item> items) {
		this.items = items;
		
	}

	public User getUser() {
		return user;
	}

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

	public int getStatus() {
		return status;
	}

	public void setStatus(int status) {
		this.status = status;
	}

	public double getCost() {
		
		return cost;
	}

	public void setCost(double cost) {
		this.cost = cost;
	}
	@Override
	public String toString(){
		String str="id:"+id+"username:"+user.getName()+"";
		for(Item item:items){
			str=str+"\t\n"+item.toString();
		}
		return str;
	}
	
}