delphi 实现最简单的注册机

 unit Unit1;

interface

uses

  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,

  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;

type

  TForm1 = class(TForm)

    Label1: TLabel;

    Label2: TLabel;

    Edit1: TEdit;

    Edit2: TEdit;

    procedure Edit1KeyPress(Sender: TObject; var Key: Char);

  private

    { Private declarations }

  public

    { Public declarations }

  end;

var

  Form1: TForm1;

  result:integer;

implementation

{$R *.dfm}

procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);

begin

  If (Key<>chr(16)) and (Edit1.Text<>'') then

  Begin

    result:=StrToInt(Edit1.Text) Xor 468885152;

    Edit2.Text:=IntToStr(result);

  End;

end;

end.