...import an Excel Table to a TStringgrid?

...import an Excel Table to a TStringgrid?

Autor: Thomas Stutz

uses

  ComObj;

function Xls_To_StringGrid(AGrid: TStringGrid; AXLSFile: string): Boolean;

const

  xlCellTypeLastCell = $0000000B;

var

  XLApp, Sheet: OLEVariant;

  RangeMatrix: Variant;

  x, y, k, r: Integer;

begin

  Result := False;

  // Create Excel-OLE Object

  XLApp := CreateOleObject('Excel.Application');

  try

    // Hide Excel

    XLApp.Visible := False;

    // Open the Workbook

    XLApp.Workbooks.Open(AXLSFile);

    // Sheet := XLApp.Workbooks[1].WorkSheets[1];

    Sheet := XLApp.Workbooks[ExtractFileName(AXLSFile)].WorkSheets[1];

    // In order to know the dimension of the WorkSheet, i.e the number of rows

    // and the number of columns, we activate the last non-empty cell of it

    Sheet.Cells.SpecialCells(xlCellTypeLastCell, EmptyParam).Activate;

    // Get the value of the last row

    x := XLApp.ActiveCell.Row;

    // Get the value of the last column

    y := XLApp.ActiveCell.Column;

    // Set Stringgrid's row &col dimensions.

    AGrid.RowCount := x;

    AGrid.ColCount := y;

    // Assign the Variant associated with the WorkSheet to the Delphi Variant

    RangeMatrix := XLApp.Range['A1', XLApp.Cells.Item[X, Y]].Value;

    //  Define the loop for filling in the TStringGrid

    k := 1;

    repeat

      for r := 1 to y do

        AGrid.Cells[(r - 1), (k - 1)] := RangeMatrix[K, R];

      Inc(k, 1);

      AGrid.RowCount := k + 1;

    until k > x;

    // Unassign the Delphi Variant Matrix

    RangeMatrix := Unassigned;

  finally

    // Quit Excel

    if not VarIsEmpty(XLApp) then

    begin

      // XLApp.DisplayAlerts := False;

      XLApp.Quit;

      XLAPP := Unassigned;

      Sheet := Unassigned;

      Result := True;

    end;

  end;

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

  if Xls_To_StringGrid(StringGrid1, 'C:\Table1.xls') then

    ShowMessage('Table has been exported!');

end;

轉貼至:https://www.swissdelphicenter.ch/en/showcode.php?id=1728