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Delphi Éè¼ÆÄ£Ê½£º¡¶HeadFirstÉè¼ÆÄ£Ê½¡·Delphi7´úÂë

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1.ÏÖÓÐÀ࣬±»×ª»»½Ó¿ÚÕß
{¡¶HeadFirstÉè¼ÆÄ£Ê½¡·Ö®ÊÊÅäÆ÷ģʽ }
{ ÏÖÓÐÀà }
{ ±àÒ빤¾ß£ºDelphi7.0 }
{ E-Mail £ºxshlife@163.com }

unit uAdaptee;

interface

type
TTurkey = class(TObject)
public
procedure Gobble; virtual; abstract;
procedure Fly; virtual; abstract;
end;

TWildTurkey = class(TTurkey)
public
procedure Gobble; override;
procedure Fly; override;
end;

implementation

{ TWildTurkey }

procedure TWildTurkey.Fly;
begin
Writeln('I''m flying a short distance.');
end;

procedure TWildTurkey.Gobble;
begin
Writeln('Gobble gobble.');
end;

end.

2.Ä¿±êÀà
{¡¶HeadFirstÉè¼ÆÄ£Ê½¡·Ö®ÊÊÅäÆ÷ģʽ }
{ Ä¿±êÀà }
{ ±àÒ빤¾ß£ºDelphi7.0 }
{ E-Mail £ºxshlife@163.com }

unit uTarget;

interface

type
TDuck = class(TObject)
public
procedure Quack; virtual; abstract;
procedure Fly; virtual; abstract;
end;

TMallarDuck = class(TDuck)
public
procedure Quack; override;
procedure Fly; override;
end;

implementation

{ TMallarDuck }

procedure TMallarDuck.Fly;
begin
Writeln('I''m flying.');
end;

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

end.

3.ÊÊÅäÆ÷
{¡¶HeadFirstÉè¼ÆÄ£Ê½¡·Ö®ÊÊÅäÆ÷ģʽ }
{ ÊÊÅäÆ÷£¬×ª»»ÏÖÓÐÀàµÄ½Ó¿Ú }
{ ±àÒ빤¾ß£ºDelphi7.0 }
{ E-Mail £ºxshlife@163.com }

unit uAdapter;

interface

uses
uTarget, uAdap


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ÔÚprojectÖУ¬Ìí¼ÓÒ»ÐÐ ReportMemoryLeaksOnShutdown := DebugHook<>0;
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program Project1;
uses
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 //¶¨ÒåMyClass
TMyClass = class
GUID: string;
Name: string;
bSex: Boolean;
Tel : string;
end;
//ȡֵ
var
obj: TMyClass;
begin
obj := TMyClass.Create;
with Memo1.Lines do
begin
Add('¶ÔÏó´óС:' + IntToStr(obj.InstanceSize));
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