usercheckfrm.pas

delphi 编制的服务器程序

unit UserCheckFrm;

interface

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

  type

  TUserCheckForm = class(TChildForm)
    GroupBox2: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    ComboBox1: TComboBox;
    edtPassword: TEdit;
    GroupBox1: TGroupBox;
    Okbtn: TButton;
    CancelBtn: TButton;

    procedure OKBtnClick(Sender: TObject);
    procedure FormKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
    procedure CancelBtnClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
    procedure CreateComBoxItems;
  public
    { Public declarations }
  end;

var
  UserCheckForm: TUserCheckForm;
  TrueCancel:Boolean;

function UserCheckDlg(var AUser,APassword: string): boolean;

implementation

uses  MainDM, PublicFunc;
{$R *.DFM}

function UserCheckDlg(var AUser,APassword: string): boolean;
var
  Form: TUserCheckForm;
  s: string;
begin
  Form:= TUserCheckForm.Create(Application);
  with Form do
  begin
    if ShowModal = mrOk then
    begin
      Result := True;
      s := ComBoBox1.Text;
      AUser := Trim(Copy(s,pos('\',s)+1,Length(s)-pos('\',s)));
      APassword := edtPassword.Text;
      SystemInfo.UserID := AUser;
      SystemInfo.UserName := Trim(Copy(s,1,pos('\',s)-1));
    end
    else
      Result := False;
    Free;
  end;
end;

procedure TUserCheckForm.OKBtnClick(Sender: TObject);
begin
  ModalResult := mrOk;
  TrueCancel:= False;
end;

procedure TUserCheckForm.FormKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if Key = VK_RETURN then
  SelectNext(ActiveControl,True,True);
end;

procedure TUserCheckForm.CancelBtnClick(Sender: TObject);
begin
  inherited;
  ModalResult := MrCancel;
  TrueCancel:= True;
end;

procedure TUserCheckForm.CreateComBoxItems;
begin
  ComBoBox1.Items.Clear;
  with DmMain.QueryPublic do
  begin
    Close;
    Sql.Text := 'select User_Id,UserName from Users order by User_Id';
    Open;
    first;
    while not eof do
    begin
      ComBoBox1.Items.Add(FieldByName('UserName').Asstring+'                              \'+FieldByName('User_ID').Asstring);
      Next;
    end;
  end;
end;

procedure TUserCheckForm.FormShow(Sender: TObject);
begin
  inherited;
  CreateComBoxItems;
  ComBoBox1.ItemIndex := 0;
end;

end.