unit Unit1;

interface

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

type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

function getWeek:string ;
var
date:SYSTEMTIME;
begin
GetLocalTime(date);

case date.wDayOfWeek of
0:Result:='星期天';
1:Result:='星期一';
2:Result:='星期二';
3:Result:='星期三';
4:Result:='星期四';
5:Result:='星期五';
6:Result:='星期六';
end;
end;