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| function TFPointeuse.SaveAsExcelFile(ADataSet: TDataSet; AFileName: string): Boolean;
const
{$J+} CXlsBof: array[0..5] of Word = ($809, 8, 00, $10, 0, 0); {$J-}
CXlsEof: array[0..1] of Word = ($0A, 00);
var
FStream: TFileStream;
ICol, iRow: Integer;
procedure XlsWriteCellLabel(XlsStream: TStream; const ACol, ARow: Word;
const AValue: string);
var
L: Word;
const
{$J+}
CXlsLabel: array[0..5] of Word = ($204, 0, 0, 0, 0, 0);
{$J-}
begin
L := Length(AValue);
CXlsLabel[1] := 8 + L;
CXlsLabel[2] := ARow;
CXlsLabel[3] := ACol;
CXlsLabel[5] := L;
XlsStream.WriteBuffer(CXlsLabel, SizeOf(CXlsLabel));
XlsStream.WriteBuffer(Pointer(AValue)^, L);
end;
begin
Result := False;
FStream := TFileStream.Create(PChar(AFileName), fmCreate or fmOpenWrite);
try
CXlsBof[4] := 0;
FStream.WriteBuffer(CXlsBof, SizeOf(CXlsBof));
ADataSet.DisableControls;
ADataSet.first;iRow := 0;
while not ADataSet.EOF do
begin
iRow := iRow+1;
for ICol := 0 to ADataSet.FieldCount - 1 do
XlsWriteCellLabel(FStream, ICol+1, iRow,ADataSet.Fields[ICol].AsString);
ADataSet.Next;
end;
ADataSet.DisableControls;
FStream.WriteBuffer(CXlsEof, SizeOf(CXlsEof));
Result := True;
finally
FStream.Free;
end;
end; |
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