using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace _008装饰者模式
{
/*--------------------------------------------抽象模式--------------------------------------------*/
public abstract class Phone
{
public abstract void Print();
}
public class Iphone : Phone
{
public override void Print()
{
Console.WriteLine("苹果手机...");
}
}
/*--------------------------------------------抽象模式--------------------------------------------*/
/*--------------------------------------------装饰具体指导类--------------------------------------------*/
public class Derector : Phone
{
private Phone mPhone;
public Derector(Phone phone)
{
mPhone = phone;
}
public override void Print()
{
Console.WriteLine(string.Format("手机组件{0}", mPhone.GetHashCode()));
}
}
/*--------------------------------------------装饰具体指导类--------------------------------------------*/
/*--------------------------------------------具体装饰类--------------------------------------------*/
public class PhoneScreen : Derector
{
public PhoneScreen(Phone phone) : base(phone)
{
}
public override void Print()
{
base.Print();
Console.WriteLine("已经加入屏幕...");
}
}
public class PhoneBattery : Derector
{
public PhoneBattery(Phone phone) : base(phone)
{
}
public override void Print()
{
base.Print();
Console.WriteLine("已经加入电池...");
}
}
/*--------------------------------------------具体装饰类--------------------------------------------*/
internal class Program
{
private static void Main(string[] args)
{
Phone phone = new Iphone();
phone.Print();
PhoneScreen screen = new PhoneScreen(phone);
screen.Print();
PhoneBattery battery = new PhoneBattery(phone);
battery.Print();
/*
* 装饰者模式与继承有几分相似,但装饰者模式更具灵活性,如果下次利用继承实现某功能,可以先考虑装饰者模式
*
* 子类持有父类的对象,对其性能进行拓展,就是装饰勒
*
* 优点:更利于拓展,拓展更仔细
*
* 缺点:子类多容易失控,尤其子类功能相似的时候
*
*/
Console.ReadKey();
}
}
}
