画DBGRID,DBGRIDEH中文帐簿金额栏

procedure TformBuy.DBGrid1DrawDataCell(Sender: TObject; const Rect: TRect;
  Field: TField; State: TGridDrawState);
var
    S: String;
    i, x, y, iTextWidth: Integer;
begin
//  if Field.DataType <> ftBCD then Exit;
  if Field.FieldName <> 'jxdmoney' then Exit;

  with TDBGrideh(Sender).Canvas do
  begin
    iTextWidth := TextWidth('8') + 4;
    y := Rect.Top + (Rect.Bottom - Rect.Top - TextHeight('8')) div 2;
    S := StringReplace(FormatFloat('0.00', Field.AsCurrency), '.', '', []);
    if Field.AsCurrency < 0 then Font.Color := clRed;

    FillRect(Rect);

    i := (Rect.Right - Rect.Left) div iTextWidth;
    repeat
      x := Rect.Right - iTextWidth * i;
      if i <= Length(S) then
        TextOut(x+3, y, S[Length(S)-i+1]);

      if i = 2 then
        Pen.Color := clRed
      else if (i = 0) or ( (i>2) and (((i-2) mod 3) = 0) ) then
        Pen.Color := clGreen
      else
        Pen.Color := clSilver;
      MoveTo(x, Rect.Top);
      LineTo(x, Rect.Bottom);
      Dec(i);
    until (i<0)
  end;
end;