ขอความช่วยเหลือเรื่อง export เป็น excel เป็นภาษาไทยไม่ได้ ใช้ Excel.Application นะครับ

<? header("Content-Type: application/x-msexcel;  name=\"example-colors.xls\"");
header("Content-Disposition: inline; filename=\"example-colors.xls\"");
?>
<?

set_time_limit(10);

require_once "C:/AppServ/www/PHP2Excel/class.writeexcel_workbook.inc.php";
require_once "C:/AppServ/www/PHP2Excel/class.writeexcel_worksheet.inc.php";

$fname = tempnam("/tmp", "colors.xls");
$workbook = &new writeexcel_workbook($fname);

$workbook->set_codepage(3); //*******set codepage = utf-8*******

# Some common formats
$center  =& $workbook->addformat(array('align' => 'left'));
$heading =& $workbook->addformat(array('align' => 'left', 'bold' => 1));


$worksheet1 =& $workbook->addworksheet("test");

$worksheet1->set_column(0, 3, 11);

$worksheet1->write(0, 0, "ไทยโว้ย", $heading);
$worksheet1->write(0, 1, "Index", $heading);
$worksheet1->write(0, 2, "ลองแล",  $heading);
$worksheet1->write(0, 3, "Color", $heading);

	for($i = 1; $i < 11; $i++)
	{
		$worksheet1->write($i, 0, "Index", $center);
		$worksheet1->write($i, 1, "ไทยโว้ย", $center);
		$worksheet1->write($i, 2, "Color",  $center);
		$worksheet1->write($i, 3, "ลองแล", $center);
	}

$workbook->close();

//header("Content-Type: application/x-msexcel; name=\"example-colors.xls\"");
//header("Content-Disposition: inline; filename=\"example-colors.xls\"");
$fh=fopen($fname, "rb");
fpassthru($fh);
unlink($fname);
?>

function set_codepage($cp) {

    if($cp==1)
      $codepage   = 0x04E4;
    else if($cp==2)
      $codepage   = 0x8000;
	else if($cp==3)
      $codepage   = 0xFDE9; // UTF-8ครับ
	else if($cp==4)
      $codepage   = 0x036A;
    if($codepage)
      $this->_codepage = $codepage;
}