DBGrid使用全书(三)

把DBGrid输出到Excel表格－－－方法一
（支持多Sheet）{
功能描述：把DBGrid输出到Excel表格（支持多Sheet）
调用格式：CopyDbDataToExcel([DBGrid1, DBGrid2]);
}

  try
    XLApp := CreateOleObject(‘Excel.Application‘);
  except
    Screen.Cursor := crDefault;
    Exit;
  end;

  XLApp.WorkBooks.Add;
  XLApp.SheetsInNewWorkbook := High(Args) + 1;

  for I := Low(Args) to High(Args) do
  begin
    XLApp.WorkBooks[1].WorkSheets[I+1].Name := TDBGrid(Args[I].VObject).Name;
    Sheet := XLApp.Workbooks[1].WorkSheets[TDBGrid(Args[I].VObject).Name];

    if not TDBGrid(Args[I].VObject).DataSource.DataSet.Active then
    begin
      Screen.Cursor := crDefault;
      Exit;
    end;

    TDBGrid(Args[I].VObject).DataSource.DataSet.first;
    for iCount := 0 to TDBGrid(Args[I].VObject).Columns.Count - 1 do
      Sheet.Cells[1, iCount + 1] :=
    TDBGrid(Args[I].VObject).Columns.Items[iCount].Title.Caption;

    jCount := 1;
    while not TDBGrid(Args[I].VObject).DataSource.DataSet.Eof do
    begin
      for iCount := 0 to TDBGrid(Args[I].VObject).Columns.Count - 1 do
        Sheet.Cells[jCount + 1, iCount + 1] :=
      TDBGrid(Args[I].VObject).Columns.Items[iCount].Field.AsString;

      Inc(jCount);
      TDBGrid(Args[I].VObject).DataSource.DataSet.Next;
    end;

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