unit1.pas

我写的dll加密与解密,组装exe文件

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Edit2: TEdit;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  function Encode(S:string):string;stdcall;external'Project1.dll';
  function Decode(S:string):string;stdcall;external'Project1.dll' ;
implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);

begin

  edit2.Text:=Encode(edit1.Text);
end;

procedure TForm1.Button2Click(Sender: TObject);

begin

   edit1.Text:=Decode(edit2.Text);
end;

end.