从Excel导入数据

Question

我想将Excel中的数据导入到Delphi 7上的Paradox数据库中.

我怎么能用Delphi做到这一点？

Answer 1

Excel 中的 CSV 然后将 CSV 导入 Paradox DB 怎么样？您也可以尝试从 Excel 导出 XML，然后以编程方式将 XML 加载到 Padox DB 中。

Answer 2

好吧,如果您将问题标记为Delphi 7,我假设您有BDE.这将使您能够在Delphi中完成整个过程.

您可以修改和使用此未经测试的代码(您需要添加异常处理):

procedure TForm1.Button2Click(Sender: TObject);
var
  Cols: integer;
  Rows: integer;
  IntCellValue: integer;
  Excel, XLSheet: Variant;
  failure: Integer;

begin
  failure:=0;
  try
    Excel:=CreateOleObject('Excel.Application');
  except
    failure:=1;
  end;
  if failure = 0 then
  begin
    Excel.Visible:=False;
    Excel.WorkBooks.Open(<Excell_Filename>);
    XLSheet := Excel.Worksheets[1];
    Cols := XLSheet.UsedRange.Columns.Count;
    Rows := XLSheet.UsedRange.Rows.Count;

    // Value of the 1st Cell
    IntCellValue:=Excel.Cells[1, 1].Value;
    // Iterate Cals/Rows to read the data section in your worksheet
    // and you can write it in Paradox using the BDE by iterating all cells
    // somthing like this pseudo code:

      try            
        Query := TQuery.Create(nil)            
        Query .Databasename := PdxDBName; // must be configured in the BDE
        while Rows > 0
        begin
          while Cols > 0
          begin
            IntCellValue:=Excel.Cells[Cols,Rows].Value;
            Query .SQL.text := // SQLStmt including the IntCellValue
            ExecSQL;
            dec(Cols);               
          end;
          Cols := XLSheet.UsedRange.Columns.Count;
        Dec(Rows);
        end;
      finally
        Query.Free;
      end;

    Excel.Workbooks.Close;
    Excel.Quit;
    Excel:=Unassigned;
  end;
end;