unit1.~pas

实现md5文件电子签名

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,MD5;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    Button2: TButton;
    OpenDialog1: TOpenDialog;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  if OpenDialog1.Execute then
  Edit1.Text:=OpenDialog1.FileName;
end;

procedure TForm1.Button2Click(Sender: TObject);
var md5stringname:string;
begin
   Edit2.Text:=MD5Print(MD5File(Edit1.Text));
end;

end.