php隐藏实际文件下载地址的方法

admin 2023-09-14 148 阅读 0评论

文章主要介绍了php隐藏实际文件下载地址的方法,涉及php中header与file_get_contents方法的相关使用技巧,非常具有实用价值,需要的朋友可以参考下:
实现方法一:

function download_document($filename,$path="",$mimetype="application/octet-stream")
{
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Content-Disposition: attachment; filename = $filename");
header("Content-Length: " . filesize($pathto . $filename));
header("Content-Type: $mimetype");
echo file_get_contents($pathto . $filename);
}

实现方法二:

<?php
$file = "1.txt";// 文件的真实地址(支持url,不过不建议用url)
if (file_exists($file)) {
 header('Content-Description: File Transfer');
 header('Content-Type: application/octet-stream');
 header('Content-Disposition: attachment; filename='.basename($file));
 header('Content-Transfer-Encoding: binary');
 header('Expires: 0');
 header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
 header('Pragma: public');
 header('Content-Length: ' . filesize($file));
 ob_clean();
 flush();
 readfile($file);
 exit;
}
?>

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