u_login.pas

这是一个用条码录入的数据的进销存(只对成品）---做童装的

unit U_Login;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, U_base, WinSkinData, Buttons, StdCtrls, jpeg, ExtCtrls;

type
  TF_Login = class(TF_base)
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Image1: TImage;
    EUserid: TEdit;
    EPassword: TEdit;
    Panel2: TPanel;
    btnOK: TSpeedButton;
    btnCancel: TSpeedButton;
    procedure btnOKClick(Sender: TObject);
    procedure btnCancelClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure EPasswordKeyPress(Sender: TObject; var Key: Char);
  private
    { Private declarations }
  public
   CanLogin:boolean;
    { Public declarations }
  end;

//function LoginExecute(aFormClass: TF_base): Boolean;

var
  F_Login: TF_Login;


implementation

uses U_Function;

{$R *.dfm}
//
//function LoginExecute(aFormClass: TF_base): Boolean;
//begin
//  with aFormClass.Create(Application) do
//  begin
//    Canlogined := False;
//    try
//      showModal;
//    finally
//      free;
//    end;
//    result := Logined;
//  end;
//end;


procedure TF_Login.btnOKClick(Sender: TObject);
begin
 inherited;
  if not loginsys(Trim(EUserid.Text),Epassword.text) then
  begin
    MessageDlg('系统登录失败，请确认用户名或密码错误！', mtInformation, [mbOK], 0);
    exit;
  end;
  CanLogin := true;
  Self.ModalResult:=mrok;
  Close;

end;
procedure TF_Login.btnCancelClick(Sender: TObject);
begin
  inherited;
  Close;
end;

procedure TF_Login.FormCreate(Sender: TObject);
begin
  inherited;
CanLogin:=False;
end;

procedure TF_Login.EPasswordKeyPress(Sender: TObject; var Key: Char);
begin
  inherited;
if key=#13 then
Btnok.Click;
end;

end.