Yesterday、Today、Tomorrow - 昨天、今天、明天

Yesterday、Today、Tomorrow - 昨天、今天、明天2012-01-11 博客园万一

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs;

type
  TForm1 = class（TForm）
    procedure FormCreate（Sender: TObject）;
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

uses DateUtils;

procedure TForm1.FormCreate（Sender: TObject）;
var
  t1,t2,t3: TDateTime;
begin
  t1 := Yesterday;
  t2 := Today;     //同 SysUtils.Date;
  t3 := Tomorrow;

  ShowMessageFmt（"%s, %s, %s", [DateToStr（t1）, DateToStr（t2）, DateToStr（t3）]）;
  {2009-5-20, 2009-5-21, 2009-5-22}
end;

end.