شرح comment importer des classeurs excel vers une base de données delphi

[zaki4482]

comment importer une classeur ( table excel ) vers une base de données delphi

[zaki4482]

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Grids, StdCtrls, Buttons,ComObj;

type
TForm3 = class(TForm)
BitBtn1: TBitBtn;
StringGrid1: TStringGrid;
SpeedButton1: TSpeedButton;
procedure BitBtn1Click(Sender: TObject);
procedure SpeedButton1Click(Sender: TObject);
private
{ Déclarations privées }
public
{ Déclarations publiques }
end;

var
Form3: TForm3;

implementation

uses Unit1;

{$R *.dfm}
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 TForm3.BitBtn1Click(Sender: TObject);
begin
if Xls_To_StringGrid(StringGrid1, 'D:\Table1.xls') then
ShowMessage('Table has been exported!');


end;