php 下载保存文件保存到本地的两种实现方法

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<?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();

?>

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<?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);

?>

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<?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);

?>

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<?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);

?>

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<?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();

?>