procedure bbtnOKClick(Sender: TObject);
procedure ComboBox2DropDown(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
frmLogIn: TfrmLogIn;
LogTimes:Integer=0;
DeptName:string;
LogInTime:TDateTime;
UserName:string;
implementation
uses Umain, MyData, UtodayWork;
{$R *.dfm}
procedure TfrmLogIn.bbtnCancelClick(Sender: TObject);
begin
Application.Terminate;
end;
procedure TfrmLogIn.ComboBox1DropDown(Sender: TObject);
begin
ComboBox1.Items.Clear;
with dm.AQDept do
begin
close;
sql.Clear;
sql.Add('select distinct department from Users');
open;
first;
while not dm.AQDept.Eof do
begin
ComboBox1.Items.Add(dm.AQDept.FieldValues['department']);
dm.AQDept.Next;
end;
end;
end;
procedure TfrmLogIn.bbtnOKClick(Sender: TObject);
begin
if Edit2.Text='' then
begin
ShowMessage('用户密码不能为空！');
Exit;
end;
with dm.AQDept do
begin
close;
sql.Clear;
sql.Add('select * from Users where Department='''+Trim(ComboBox1.Text)+'''and UserName='''+Trim(ComboBox2.Text)+''' and PWD='''+frmMain.Encrypt(Trim(Edit2.Text))+'''');
open;
end;
if dm.AQDept.Eof then
begin
LogTimes:=LogTimes+1;
if LogTimes<3 then
begin
MessageBox(handle,pchar('密码第'+IntToStr(LogTimes)+'次错误,请重新输入!'),'密码错误',MB_OK OR MB_ICONERROR);
Edit2.Text:='';
Edit2.SetFocus;
end
else
begin
MessageBox(handle,'密码错误三次程序将关闭！','密码错误',MB_ICONERROR);
Application.Terminate;
end;
end
else if dm.AQDept.RecordCount<>0 then
begin
DeptName:=Trim(ComboBox1.Text);
UserName:=Trim(ComboBox2.Text);
&