pass1.pas

思微POS连锁超市管理系统 (商业代码),几年前的东西了

unit pass1;

interface

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

type
  Tpass = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Query1: TQuery;
    procedure FormActivate(Sender: TObject);
    procedure Edit1KeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  pass: Tpass;

implementation

{$R *.DFM}

procedure Tpass.FormActivate(Sender: TObject);
begin
  Query1.Close;
  Query1.open;
  Label2.Caption := 'no';
  Edit1.Clear;
  Edit1.SetFocus;
end;

procedure Tpass.Edit1KeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if key = 13 then
  begin
    if Edit1.text = Query1.fields[0].asstring then
    begin
      Label2.Caption := 'yes';
    end;
    close;
  end;
end;

end.