Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

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

1.Ö÷ÌâÓë¹Û²ìÕß
{¡¶HeadFirstÉè¼ÆÄ£Ê½¡·Ö®¹Û²ìÕßģʽ }
{ Ö÷ÌâÓë¹Û²ìÕß }
{ ±àÒ빤¾ß £ºDelphi7.0 }
{ ÁªÏµ·½Ê½ £ºxshlife@163.com }

unit uWeatherReport;

interface

uses
Classes, SysUtils;

type
TObserver = class; { ForwardÉùÃ÷£¬´´½¨Á½¸öÏ໥ÒÀÀµµÄÀà }

{ ³éÏóÖ÷Ìâ }
TSubject = class(TObject)
procedure RegisterObserver(aObserver: TObserver); virtual; abstract;
procedure RemoveObserver (aObserver: TObserver); virtual; abstract;
procedure NotifyObserver; virtual; abstract;
end;

{ ¾ßÌåÖ÷Ìâ }
TWeatherData = class(TSubject)
private
FObservers: TList;
FTemp : Integer;
FHumidity : Integer;
FPresssure: Integer;
public
constructor Create;
destructor Destroy; override;
procedure RegisterObserver(aObserver: TObserver); override;
procedure RemoveObserver (aObserver: TObserver); override;
procedure NotifyObserver; override;
procedure MeasurementsChanged;
procedure SetMeasurements(aTemp, aHumidity, aPresssure: Integer);
end;

{**************************************************************************}

{ ³éÏó¹Û²ìÕß }
TObserver = class(TObject)
procedure UpDate(Temp, Humidity, Presssure: Integer); virtual; abstract;
procedure Display; virtual; abstract;
end;

{ ¾ßÌå¹Û²ìÕß }
TCurrentConditionsDisplay = class(TObserver)
private
FTemp : Integer;
FHumidity : Integer;
FWeatherData: TSubject;
public
constructor Create(aWeatherData: TSubject);
destructor Destroy; override;
procedure UpDate(aTemp, aHumidity, aPresssure: Integer); override;
procedure Display; override;
end;

implementation

{ TWeatherData }

constructor TWeatherData.Create;
begin
FObservers := TList.Create;
end;

destructor TWeatherData.Destroy;
begin
FObservers.Clear;
FreeAndNil(FObservers);
inheri


Ïà¹ØÎĵµ£º

Îò͸delphi µÚÒ»Õ delphiµÄÔ­×ÓÊÀ½ç

¾­¹ý¶à·½²éÕÒ£¬×ÜËã»ù±¾ÕÒÆëÕ½¸çµÄ´¦Å®×÷¡¶Îò͸delphi¡·µÄÊָ塣
²»¸Ò¶ÀÕ¼£¬ÓÚÊÇÄóöÀ´ÓÚ´ó¼Ò¹²Ïí¡£
µÚÒ»Õ  DELPHIµÄÔ­×ÓÊÀ½ç
µÚ¶þÕ  DELPHIÓëWIN32ʱ¿Õ
µÚÈýÕ  ¶àÏß³Ì
µÚËÄÕ  ½Ó¿Ú
µÚÎåÕ  °ü
µÚÁùÕ  ʼþÓëÏûÏ¢
µÚÆßÕ  ×éÖ¯ÄãµÄÄ£¿é
µÚ°ËÕ  ̽Ë÷Êý¾Ý¿â
µÚ¾ÅÕÂ& ......

Python , Delphi , Loki ÓÐȤµÄÀ´Ô´

 Python , Delphi , Loki Èý¸öµ¥´ÊÓÐȤµÄÀ´Ô´
Ðí¶à³ÌÐòÉè¼ÆÓïÑԺͿª·¢¹¤¾ßÒÔ¼°¿âµÄÃû×Ö¶¼À´Ô´ÓëÉñ»°£¬ÆÄÓÐÒâ˼£º
     °¢²¨ÂÞÊÇͬʱ³öÏÖÔÚÏ£À°ºÍÂÞÂíÉñ»°ÖеİÂÁÖÅÁ˹ʮ¶þ´óÉñÖ®Ò»¡£Ëû³ýÁËÓµÓÐÌ«ÑôÉñµÄÉí·Ö£¬Í¬Ê±»¹ÓÐÔ¤ÑÔ¡¢ÒÕÊõ¡¢Ò½ÊõÖ®ÉñµÄ³ÆºÅ¡£°¢²¨ÂÞÊÇÖæË¹ºÍÀÖ¶äµÄ¶ù×Ó£¬ºÍ°¢µÙÃÛ˹ÊÇË ......

Delphi 2010Õýʽ°æÏÂÔØ(RAD Studio 2010ÏÂÔØ)

Delphi 2010Õýʽ°æÏÂÔØ(RAD Studio 2010ÏÂÔØ)
ÔÚ8ÔÂ26ÈÕÕýʽ·¢²¼ÁËRAD Studio 2010£¬¾ÍÊÇÎÒÃÇËùνµÄDelphi 2010¡£RAD Studio 2010°üº¬Delphi¡¢C++ BuilderºÍDelphi PrismµÈ¡£ RAD Studio 2010 µÄй¦ÄÜÖ÷ÒªÔÚÓÚ£ºÔöÇ¿µÄ IDEºÍ¿ÉÊÓ»¯×é¼þ¿â (VCL) ¿ò¼ÜºÍ»ù´¡µÄ±àÒëÆ÷ÒÔ¼°ÆäËû¸÷Ï¾ß£¬ÕâʹµÃÄã¹¹½¨ÄÇЩ¿çÔ½ËùÓеÄÊý¾ÝÔ´ºÍ ......

DELPHIÉî¶È̽Ë÷ £¨µÚ2°æ£©PDFµç×ÓÊé

 ÍƼö¸ø´ó¼Ò[url=DELPHIÉî¶È̽Ë÷ £¨µÚ2°æ£©PDFµç×ÓÊé][/url]
ÒòΪÐèҪǰ¼¸ÌìÔÚÍøÉÏËÑËѹýÕâ±¾ÊéÊ飬¿ÉûÓУ¬Ô´Âëµ¹ÊÇÓУ¬½ñÌì´ò¿ª¾­³£È¥µÄÍøÕ¾£¬¾ÓÈ»·¢ÏÖÌṩÏÂÔØÁË£¬Õâ¸öÍøÕ¾×Ô¼º²î²»¶àÿÌì¶¼Òª´ò¿ª¿´¿´£¬Õ⼸ÌìæºýÍ¿ÁË£¬¾ÓȻûÓп´µ½£¬ÔÚÕâÍÆ¼ö¸ø´ó¼Ò£¬ÄÜÏÂÔØµÄ£¬ËٶȺܿ졣
[url=http://www.delphifans.com/Soft ......

delphi Àà³ÉÔ±ÐÅÏ¢µØÖ··ÖÎö

 //¶¨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));
Add('¶ÔÏóËùÔÚµØÖ·£º'+ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ