?? unit17.pas
字號:
unit Unit17;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs,unit2, DB, ADODB, StdCtrls, Grids, DBGrids, XPMenu;
type
TForm17 = class(TForm)
Edit1: TEdit;
Edit2: TEdit;
Label1: TLabel;
Label2: TLabel;
Button1: TButton;
db4: TADOQuery;
Button2: TButton;
XPMenu1: TXPMenu;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form17: TForm17;
i:byte;
implementation
{$R *.dfm}
procedure TForm17.Button1Click(Sender: TObject);
begin
if pos('''',edit1.Text)>0 then exit;
db4.Close;
db4.SQL.Clear;
db4.SQL.Add('select * from 用戶 ') ;
db4.sql.Add(format('where 用戶名=''%s'' and 密碼=''%s''',[edit1.text,edit2.text]));
db4.Open;
if db4.IsEmpty then begin
showmessage('warning!'+#13+'error');
exit;
end;
i:=1;
self.hide;
showmessage('歡迎使用訪系統');
edit1.Clear;
edit2.Clear;
end;
procedure TForm17.Button2Click(Sender: TObject);
begin
self.Hide;
end;
procedure TForm17.FormCreate(Sender: TObject);
begin
db4.Open;
i:=0;
end;
begin
i:=0;
end.
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