php生成csv文件header设置参考

<?php
 $csvContent = "qwe,qwe,qwe,qwe,qwe,qwe,qwe /n";
 header("Content-Type: application/vnd.ms-excel; charset=GB2312");
 header("Pragma: public");
 header("Expires: 0");
 header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
 header("Content-Type: application/force-download");
 header("Content-Type: application/octet-stream");
 header("Content-Type: application/download");
 header("Content-Disposition: attachment;filename=CSV数据.csv ");
 header("Content-Transfer-Encoding: binary ");
 $csvContent = iconv("utf-8","gb2312",$csvContent);
 echo $csvContent;
 exit;
?>