$file = "/tmp/dummy.tar.gz";
header("Content-type: application/octet-stream");
header('Content-Disposition: p_w_upload; filename="' . basename($file) . '"');
header("Content-Length: ". filesize($file));
readfile($file);
但是这个有一个问题, 就是如果文件是中文名的话, 有的用户可能下载后的文件名是乱码.
于是, 我们做一下修改(参考: :
$file = "/tmp/中文名.tar.gz";
$filename = basename($file);
header("Content-type: application/octet-stream");
//处理中文文件名
$ua = $_SERVER["HTTP_USER_AGENT"];
$encoded_filename = urlencode($filename);
$encoded_filename = str_replace("+", "%20", $encoded_filename);
if (preg_match("/MSIE/", $ua)) {
header('Content-Disposition: p_w_upload; filename="' . $encoded_filename . '"');
} else if (preg_match("/Firefox/", $ua)) {
header("Content-Disposition: p_w_upload; filename*=\"utf8''" . $filename . '"');
} else {
header('Content-Disposition: p_w_upload; filename="' . $filename . '"');
}
header('Content-Disposition: p_w_upload; filename="' . $filename . '"');
header("Content-Length: ". filesize($file));
readfile($file);