public Client()
{
Component component = new ConcreateComponent();
component = new ConcreateDecoratorA(component);
component = new ConcreateDecoratorB(component);
component.Operation();
}
public void TestMethod1()
{
var component = new ConcreteComponent();
var decoratorA = new ConcreateDecoratorA();
var decoratorB = new ConcreateDecoratorB();
decoratorA.SetComponent(component);
decoratorB.SetComponent(decoratorA);
decoratorB.Operation();
}
// Start is called before the first frame update
void Start()
{
//装饰模式
ConcreateMyComponent behavior = new ConcreateMyComponent();
// MyDecorator myDecorator = new MyDecorator(); //错误的，抽象类不能实例化
//MyDecorator myDecorator = new ConcreateDecoratorA(); //正确的 这叫多态的向上转型，基类引用指向派生类的实际对象new后面跟哪个类就是哪个类的对象。
ConcreateMyComponent c = new ConcreateMyComponent();
ConcreateDecoratorA d1 = new ConcreateDecoratorA();
ConcreateDecoratorB d2 = new ConcreateDecoratorB();
d1.SetMyComponent(c); /*装饰的方式是 ： 首先用concreateMyComponent实例化对象c, 然后用d1包装c, 再用d2包装d1
* 装饰模式是利用setcomponent 来对对象进行包装的， 这样每个装饰对象的实现就和如何利用这个对象分离开了， 每个装饰对象只关心自己的功能，不需要关心如何被添加到对象链中*/
d2.SetMyComponent(d1);
d2.Operation();
}
/// <summary>
/// （1）需要扩展一个类的功能、或者给一个类添加附加的职责时。
/// （2）需要动态的给一个对象添加功能，这些功能可以再动态的撤销时。
/// （3）需要增加由一些基本功能的排列组合而产生的非常大量的功能，从而使继承关系变得不现实。
/// （4）当不能采用生成子类的方式进行扩充时。
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
IComponent component = new ConcreateComponent("XiaoMing");
ConcreateDecoratorA decoratorA = new ConcreateDecoratorA();
decoratorA.decorator(component);
ConcreateDecoratorB decoratorB = new ConcreateDecoratorB();
decoratorB.decorator(decoratorA);
decoratorB.Show("test");
//IComponent component = new ConcreateDecoratorA(new ConcreateComponent("XiaoMing"));
//ConcreateDecoratorA decoratorA = new ConcreateDecoratorA();
//decoratorA.SetComponent(component);
component.Show("decorator demo.");
Console.ReadLine();
}
static void Main(string[] args)
{
//装饰者
ConcreateComponent c = new ConcreateComponent();
ConcreateDecoratorA ca = new ConcreateDecoratorA();
ConcreateDecoratorB cb = new ConcreateDecoratorB();
ca.SetComponent(c);
cb.SetComponent(ca);
cb.Operation();
Console.WriteLine("----------------------------------\r\n");
Person.Person person = new Person.Person("微软");
Person.BigTrouser bt = new Person.BigTrouser();
Person.TShirts ts = new Person.TShirts();
bt.Decorate(person);
ts.Decorate(bt);
ts.Show();
Console.Read();
}
