订单处理系统
现在有一个订单处理系统，里面有一个保存订单的业务功能，需求：每当订单的预定产品数量超过1000的时候，就需要把订单拆成两份订单来保存。如果拆成两份后还是超过1000，则继续拆分，直到每份产品预订数量不超过1000.
根据业务，目前的订单系统分成两种，一种是个人订单、一种是公司订单。
客户名称、产品对象（ID，Name），订购产品数量。
公司名称、产品对象（ID，Name），订购产品数量。
/**
代码具体实现
*/
package proto;
/**
产品类，用于原型模式中的深复制
有ID 和NAME两个参数
*/
public class Product implements Cloneable {
private int id;
private String name;
public Product(int id, String name) {
super();
this.id = id;
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Product clone()
{
Product product=null;
try {
product=(Product)super.clone();
} catch (CloneNotSupportedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return product;
}
}package proto;
/**
订单类，含有产品的对象并进行深复制
*/
public class order implements Cloneable {
private String orderName;
private Product product;
private int number;
public order()
{}
public order(String orderName, Product product, int number) {
super();
this.orderName = orderName;
this.product = product;
this.number = number;
}
public String getOrderName() {
return orderName;
}
public void setOrderName(String orderName) {
this.orderName = orderName;
}
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 order clone()
{
order order=null;
try {
order=(order)super.clone();
order.product=(Product)this.product.clone();
} catch (CloneNotSupportedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return order;
}
public void show()
{
System.out.println("订单数量: "+this.getNumber());
System.out.println("产品id: "+this.getProduct().getId());
System.out.println("产品名称: "+this.getProduct().getName());
System.out.println("用户名称: "+this.getOrderName());
}
}package proto;
/**
订单处理类
运用迭代的思想对订单进行处理
两次clone
*/
public class dealOrder {
private order order1;
public dealOrder(order order)
{
this.order1=order;
}
public order deal()
{
order halforder=null;
if(order1.getNumber()<1000)
halforder=this.order1.clone();
else
{
while(order1.getNumber()>=1000)
{
halforder=this.order1.clone();
halforder.setNumber(this.order1.getNumber()/2);
this.order1=halforder.clone();
}
}
return halforder;
}
}package proto;
public class Clinte {
/**
* 主界面类
*/
public static void main(String[] args) {
Product p1=new Product(1,"高数课本");
order o1=new order("张三",p1,3400);
dealOrder d1=new dealOrder(o1);
int i=0;
i=o1.getNumber()/d1.deal().getNumber();
System.out.println("一共有"+i+"份订单");
System.out.println("订单样例如下");
d1.deal().show();
}
}
