1.返回一个zip文件
https://stackoverflow.com/questions/6175533/how-to-return-a-file-in-php
$attachment_location = $_SERVER["DOCUMENT_ROOT"] . "/file.zip";
if (file_exists($attachment_location)) {
header($_SERVER["SERVER_PROTOCOL"] . " 200 OK");
header("Cache-Control: public"); // needed for internet explorer
header("Content-Type: application/zip");
header("Content-Transfer-Encoding: Binary");
header("Content-Length:".filesize($attachment_location));
header("Content-Disposition: attachment; filename=file.zip");
readfile($attachment_location);
die();
} else {
die("Error: File not found.");
}
2.下载文件
https://www.phptutorial.net/php-tutorial/php-download-file/
<?php
$filename = 'readme.pdf';
if (file_exists($filename)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . basename($filename) . '"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($filename));
readfile($filename);
exit;
}
3.