public override void Operation()
{
if (component != null)
{
component.Operation();
}
}
public override void Operation() // 重写Operation(),实际执行的是Component.O..();
{
if (component != null)
{
component.Operation();
}
}
/// <summary>
/// 重写基本操作
/// </summary>
public override void Operation()
{
if (null != component)
{
component.Operation();
}
}
static void Main(string[] args)
{
IComponent orgComponent = new Component();
DecoratorA aComponent = new DecoratorA(orgComponent);
DecoratorB bComponent = new DecoratorB(orgComponent);
DecoratorA abComponent = new DecoratorA(bComponent);
Console.WriteLine($"Original object: {orgComponent.Operation()}");
Console.WriteLine($"A Decorator object: {aComponent.Operation()}. {aComponent.AddedBehavior()}");
Console.WriteLine($"B Decorator object: {bComponent.Operation()}");
Console.WriteLine($"AB Decorator object: {abComponent.Operation()}");
Console.ReadKey();
}
public override void Operation()
{
Component?.Operation();
}
public virtual void Operation()
{
component.Operation();
}
public override void Operation()
{
_component.Operation();
}
override public void Operation()
{
component.Operation();
}
public override void Operation()
{
component.Operation();//调用原有业务方法
}
