DELPHI - CRÉATION D'UNE FEUILLE DE CALCUL EXCEL (CONTRÔLE TOLECONTAINER)

Commentaire de amira1979 le 17/04/2006 09:14:47

comment à partir de delphi dont j'ai des lignes (ds un dbgrid) aprés l'enregistrement ds la base de données j'affiche ces lignes sur une feuille excel aidez mois svp
merci

Commentaire de FENETRES le 18/04/2006 10:13:51

Ce passage par un fichier texte n'est pas nécessaire. Le conseil est péremptoire et inexact. Cette solution d'un CSV n'est pas la plus simple.
Il suffit de passer (méthode de classe), par exemple, l'objet DbGrid au composant Excel. Il existe de nombreux exemples en ligne.

Commentaire de FENETRES le 19/04/2006 10:02:35

Si cela peut vous aider voici quelques exemples différents récupérés sur Internet. Désolé pour l'auteur, j'ai oublié de noter son nom.

{**************************************************************}
uses
  ComObj;

function RefToCell(ARow, ACol: Integer): string;
begin
  Result := Chr(Ord('A') + ACol - 1) + IntToStr(ARow);
end;

function SaveAsExcelFile(AGrid: TStringGrid; ASheetName, AFileName: string): Boolean;
const
  xlWBATWorksheet = -4167;
var
  Row, Col: Integer;
  GridPrevFile: string;
  XLApp, Sheet, Data: OLEVariant;
  i, j: Integer;
begin
  // Prepare Data
  Data := VarArrayCreate([1, AGrid.RowCount, 1, AGrid.ColCount], varVariant);
  for i := 0 to AGrid.ColCount - 1 do
    for j := 0 to AGrid.RowCount - 1 do
      Data[j + 1, i + 1] := AGrid.Cells[i, j];
  // Create Excel-OLE Object
  Result := False;
  XLApp := CreateOleObject('Excel.Application');
  try
    // Hide Excel
    XLApp.Visible := False;
    // Add new Workbook
    XLApp.Workbooks.Add(xlWBatWorkSheet);
    Sheet := XLApp.Workbooks[1].WorkSheets[1];
    Sheet.Name := ASheetName;
    // Fill up the sheet
    Sheet.Range[RefToCell(1, 1), RefToCell(AGrid.RowCount,
      AGrid.ColCount)].Value := Data;
    // Save Excel Worksheet
    try
      XLApp.Workbooks[1].SaveAs(AFileName);
      Result := True;
    except
      // Error ?
    end;
  finally
    // Quit Excel
    if not VarIsEmpty(XLApp) then
    begin
      XLApp.DisplayAlerts := False;
      XLApp.Quit;
      XLAPP := Unassigned;
      Sheet := Unassigned;
    end;
  end;
end;

// Example:

procedure TForm1.Button1Click(Sender: TObject);
begin
  if SaveAsExcelFile(stringGrid1, 'My Stringgrid Data', 'c:\MyExcelFile.xls') then
    ShowMessage('StringGrid saved!');
end;


{**************************************************************}
{2. Without OLE }

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;


function SaveAsExcelFile(AGrid: TStringGrid; 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;
  I, J: Integer;
begin
  Result := False;
  FStream := TFileStream.Create(PChar(AFileName), fmCreate or fmOpenWrite);
  try
    CXlsBof[4] := 0;
    FStream.WriteBuffer(CXlsBof, SizeOf(CXlsBof));
    for i := 0 to AGrid.ColCount - 1 do
      for j := 0 to AGrid.RowCount - 1 do
        XlsWriteCellLabel(FStream, I, J, AGrid.cells[i, j]);
    FStream.WriteBuffer(CXlsEof, SizeOf(CXlsEof));
    Result := True;
  finally
    FStream.Free;
  end;
end;

// Example:

procedure TForm1.Button2Click(Sender: TObject);
begin
  if SaveAsExcelFile(StringGrid1, 'c:\MyExcelFile.xls') then
    ShowMessage('StringGrid saved!');
end;

{**************************************************************}
{3. Code by Reinhard Schatzl }

uses
  ComObj;

// Hilfsfunktion für StringGridToExcelSheet
// Helper function for StringGridToExcelSheet
function RefToCell(RowID, ColID: Integer): string;
var
  ACount, APos: Integer;
begin
  ACount := ColID div 26;
  APos := ColID mod 26;
  if APos = 0 then
  begin
    ACount := ACount - 1;
    APos := 26;
  end;

  if ACount = 0 then
    Result := Chr(Ord('A') + ColID - 1) + IntToStr(RowID);

  if ACount = 1 then
    Result := 'A' + Chr(Ord('A') + APos - 1) + IntToStr(RowID);

  if ACount > 1 then
    Result := Chr(Ord('A') + ACount - 1) + Chr(Ord('A') + APos - 1) + IntToStr(RowID);
end;

// StringGrid Inhalt in Excel exportieren
// Export StringGrid contents to Excel
function StringGridToExcelSheet(Grid: TStringGrid; SheetName, FileName: string;
  ShowExcel: Boolean): Boolean;
const
  xlWBATWorksheet = -4167;
var
  SheetCount, SheetColCount, SheetRowCount, BookCount: Integer;
  XLApp, Sheet, Data: OLEVariant;
  I, J, N, M: Integer;
  SaveFileName: string;
begin
  //notwendige Sheetanzahl feststellen
  SheetCount := (Grid.ColCount div 256) + 1;
  if Grid.ColCount mod 256 = 0 then
    SheetCount := SheetCount - 1;
  //notwendige Bookanzahl feststellen
  BookCount := (Grid.RowCount div 65536) + 1;
  if Grid.RowCount mod 65536 = 0 then
    BookCount := BookCount - 1;

  //Create Excel-OLE Object
  Result := False;
  XLApp  := CreateOleObject('Excel.Application');
  try
    //Excelsheet anzeigen
    if ShowExcel = False then
      XLApp.Visible := False
    else
      XLApp.Visible := True;
    //Workbook hinzufügen
    for M := 1 to BookCount do
    begin
      XLApp.Workbooks.Add(xlWBATWorksheet);
      //Sheets anlegen
      for N := 1 to SheetCount - 1 do
      begin
        XLApp.Worksheets.Add;
      end;
    end;
    //Sheet ColAnzahl feststellen
    if Grid.ColCount <= 256 then
      SheetColCount := Grid.ColCount
    else
      SheetColCount := 256;
    //Sheet RowAnzahl feststellen
    if Grid.RowCount <= 65536 then
      SheetRowCount := Grid.RowCount
    else
      SheetRowCount := 65536;

    //Sheets befüllen
    for M := 1 to BookCount do
    begin
      for N := 1 to SheetCount do
      begin
        //Daten aus Grid holen
        Data := VarArrayCreate([1, Grid.RowCount, 1, SheetColCount], varVariant);
        for I := 0 to SheetColCount - 1 do
          for J := 0 to SheetRowCount - 1 do
            if ((I + 256 * (N - 1)) <= Grid.ColCount) and
              ((J + 65536 * (M - 1)) <= Grid.RowCount) then
              Data[J + 1, I + 1] := Grid.Cells[I + 256 * (N - 1), J + 65536 * (M - 1)];
        //-------------------------
        XLApp.Worksheets[N].Select;
        XLApp.Workbooks[M].Worksheets[N].Name := SheetName + IntToStr(N);
        //Zellen als String Formatieren
        XLApp.Workbooks[M].Worksheets[N].Range[RefToCell(1, 1),
          RefToCell(SheetRowCount, SheetColCount)].Select;
        XLApp.Selection.NumberFormat := '@';
        XLApp.Workbooks[M].Worksheets[N].Range['A1'].Select;
        //Daten dem Excelsheet übergeben
        Sheet := XLApp.Workbooks[M].WorkSheets[N];
        Sheet.Range[RefToCell(1, 1), RefToCell(SheetRowCount, SheetColCount)].Value :=
          Data;
      end;
    end;
    //Save Excel Worksheet
    try
      for M := 1 to BookCount do
      begin
        SaveFileName := Copy(FileName, 1,Pos('.', FileName) - 1) + IntToStr(M) +
          Copy(FileName, Pos('.', FileName),
          Length(FileName) - Pos('.', FileName) + 1);
        XLApp.Workbooks[M].SaveAs(SaveFileName);
      end;
      Result := True;
    except
      // Error ?
    end;
  finally
    //Excel Beenden
    if (not VarIsEmpty(XLApp)) and (ShowExcel = False) then
    begin
      XLApp.DisplayAlerts := False;
      XLApp.Quit;
      XLAPP := Unassigned;
      Sheet := Unassigned;
    end;
  end;
end;

//Example
procedure TForm1.Button1Click(Sender: TObject);
begin
  //StringGrid inhalt in Excel exportieren
  //Grid : stringGrid, SheetName : stringgrid Print, Pfad : c:\Test\ExcelFile.xls, Excelsheet anzeigen
  StringGridToExcelSheet(StringGrid, 'Stringgrid Print', 'c:\Test\ExcelFile.xls', True);
end;
{**************************************************************}

Bon courage

Commentaire de FENETRES le 20/04/2006 11:13:22

Pas avant lundi, je suis débordé.