엑셀파일로 출력하기 html 헤더에 쓴다

header("Content-type: application/vnd.ms-excel; charset=EUC-KR");   
 header("Content-Disposition: attachment; filename=".$filename.".xls");  
 header("Content-Description: ".$_GET['category']);
 header("Content-charset=EUC-KR");