unit3.pas

来自「delphi编写的异性纤维监测系统工控平台」· PAS 代码 · 共 69 行

unit Unit3;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Edit1: TEdit;
    Button5: TButton;
    procedure Button2Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button2Click(Sender: TObject);

begin

      edit1.text:=edit1.Text+'b';
end;

procedure TForm1.Button1Click(Sender: TObject);


begin

         edit1.text:=edit1.Text+'a';
     
end;

procedure TForm1.Button3Click(Sender: TObject);

begin

     edit1.text:=edit1.Text+'c';
end;

procedure TForm1.Button5Click(Sender: TObject);
  var
  s1:string;
begin
    s1:=edit1.Text;
    if  s1='bac'   then
        edit1.Text:=('正确')
    else
       showmessage('您的密码有误') ;
end;

end.