sys_enter_mrplogin.pas

一个MRPII系统源代码版本

unit Sys_Enter_MrpLogin;

interface

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

type
  TFrm_Sys_Enter_MrpLogin = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    txtUID: TEdit;
    txtPWD: TEdit;
    btn_ok: TButton;
    btn_cancel: TButton;
    Timer1: TTimer;
    procedure Timer1Timer(Sender: TObject);
    procedure btn_okClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Frm_Sys_Enter_MrpLogin: TFrm_Sys_Enter_MrpLogin;

implementation

{$R *.DFM}

procedure TFrm_Sys_Enter_MrpLogin.Timer1Timer(Sender: TObject);
begin
   Enabled := False;
   ModalResult := btn_cancel.ModalResult;
   Close;
end;

procedure TFrm_Sys_Enter_MrpLogin.btn_okClick(Sender: TObject);
var adoconnection:Tadoconnection;
    userid,password:string;
begin
        userid:=trim(txtuid.Text);
        password:=trim(txtpwd.text);
         try
          adoconnection:=Tadoconnection.create(self);
           with adoconnection do
             begin
              close;
              loginprompt:=false;
              connectionstring:='Provider=Microsoft.Jet.OLEDB.4.0;user id='+quotedstr(userid)+';Password='+quotedstr(password)+';Data Source='+extractfilepath(application.exename)+'\MrpACT.mdb;Persist Security Info=True';
                try
                 connected:=true;
                 modalresult:=mrok;
                except
                  showmessage('用户名或口令错误！请重新输入');
                  txtuid.SetFocus;
                end;
             end;
         finally
          adoconnection.free;
         end;
end;

end.