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{ ±¾µ¥ÔªÖеÄÀàΪ²ßÂÔÀà }
{ ±àÒ빤¾ß: Delphi7.0 }
{ E-Mail : xshlife@163.com }

unit uStrategy;

interface

type
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IFlyBehavior = Interface(IInterface)
procedure Fly;
end;

TFlyWithWings = class(TInterfacedObject, IFlyBehavior)
public
procedure Fly;
end;

TFlyNoWay = class(TInterfacedObject, IFlyBehavior)
public
procedure Fly;
end;

TFlyRocketPowered = class(TInterfacedObject, IFlyBehavior)
public
procedure Fly;
end;

{½ÐÉù½Ó¿Ú£¬¼°ÆäʵÏÖÀà}

IQuackBehavior = Interface(IInterface)
procedure Quack;
end;

TQuack = class(TInterfacedObject, IQuackBehavior)
public
procedure Quack;
end;

TMuteQuack = class(TInterfacedObject, IQuackBehavior)
public
procedure Quack;
end;

TSqueak = class(TInterfacedObject, IQuackBehavior)
public
procedure Quack;
end;

implementation

{ TFlyWithWings }

procedure TFlyWithWings.Fly;
begin
Writeln('I am flying!');
end;

{ TFlyNoWay }

procedure TFlyNoWay.Fly;
begin
Writeln('I can not fly!');
end;

{ TFlyRocketPowered }

procedure TFlyRocketPowered.Fly;
begin
Writeln('I am flying with a rocket!');
end;

{ TQuack }

procedure TQuack.Quack;
begin
Writeln('Quack');
end;

{ TMuteQuack }

procedure TMuteQuack.Quack;
begin
Writeln('<Silence>');
end;

{ TSqueak }

procedure TSqueak.Quack;
begin
Writeln('Squeak');
end;

end.

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{ Ò»°ã²ßÂÔģʽÖеÄÉÏÏÂÎĽӿÚÒÑ°üº¬ÔÚÓû§ÀàÖС£}
{ ±àÒ빤¾ß: Delphi7.0 }
{ E-Mail : xshlife@163.com }

unit uDuck;

interface

uses
uStrategy;

type
{ Ѽ×Ó³éÏóÀà }

TDuck