好的，我有以下php文件：
<?php
header("Content-Type: application/octet-stream");
$file = $_GET["file"];
header("Content-Disposition: attachment; filename=" . urlencode($file));
header("Content-Type: application/force-download");
header("Content-Type: application/octet-stream");
header("Content-Type: application/download");
header("Content-Description: File Transfer");
header("Content-Length: " . filesize($file));
$file = "pdf/".$file;
flush(); // this doesn't really matter.
$fp = fopen($file, "r");
while (!feof($fp)) {
echo fread($fp, 65536);
flush(); // this is essential for large downloads
}
if ($file="pdf/sampleFile.pdf") {
?>
<html>
<head>
<title>Best Recipes Ever!</title>
<link rel="stylesheet" href="style/style.css" />
</head>
<body>
<div id="header">
<h1>Best Recipes Ever!</h1>
</div>
<div id="page">
<h1>Thank You For Your …