php怎么实现保存下载文件
时间:2021-07-14 10:02
php实现保存下载文件的方法:1、通过“function downfile(){...}”方法实现下载文件;2、通过header函数实现保存下载。 本文操作环境:windows7系统、PHP7.1版,DELL G3电脑 php 下载保存文件保存到本地的两种实现方法 这里的下载,指的是 弹出下载提示框。 第一种: 或 (推荐这种方法,亲测可行,其他的没测试) 第二种: PHP实现下载文件的两种方法。分享下,有用到的朋友看看哦。 方法一: 了解php中header函数的用法。 方法二: 推荐学习:《PHP视频教程》 以上就是php怎么实现保存下载文件的详细内容,更多请关注www.gxlsystem.com其它相关文章!<?php
function downfile()
{
$filename=realpath("resume.html"); //文件名
$date=date("Ymd-H:i:m");
Header( "Content-type: application/octet-stream ");
Header( "Accept-Ranges: bytes ");
Header( "Accept-Length: " .filesize($filename));
header( "Content-Disposition: attachment; filename= {$date}.doc");
echo file_get_contents($filename);
readfile($filename);
}
downfile();
?>
<?php
function downfile($fileurl)
{
ob_start();
$filename=$fileurl;
$date=date("Ymd-H:i:m");
$size=readfile($filename);
header( "Content-type: application/octet-stream ");
header( "Accept-Ranges: bytes ");
header( "Content-Disposition: attachment; filename= {$date}.doc");
header( "Accept-Length: " .$size);
}
$url="url地址";
downfile($url);
?>
<?php
function downfile($fileurl)
{
$filename=$fileurl;
$file = fopen($filename, "rb");
Header( "Content-type: application/octet-stream ");
Header( "Accept-Ranges: bytes ");
Header( "Content-Disposition: attachment; filename= 4.doc");
$contents = "";
while (!feof($file)) {
$contents .= fread($file, 8192);
}
echo $contents;
fclose($file);
}
$url="url地址";
downfile($url);
?>
<?php
/**
* 下载文件
* header函数
*
*/
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.basename($filepath));
header('Content-Transfer-Encoding: binary');
header('Expires: 0′);
header('Cache-Control: must-revalidate, post-check=0, pre-check=0′);
header('Pragma: public');
header('Content-Length: ' . filesize($filepath));
readfile($file_path);
?>
<?php
//文件下载
//readfile
$fileinfo = pathinfo($filename);
header('Content-type: application/x-'.$fileinfo['extension']);
header('Content-Disposition: attachment; filename='.$fileinfo['basename']);
header('Content-Length: '.filesize($filename));
readfile($thefile);
exit();
?>