php 下载保存文件保存到本地的两种实现方法

<"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();
"htmlcode">

<"Ymd-H:i:m");
 header( "Content-type:  application/octet-stream "); 
 header( "Accept-Ranges:  bytes "); 
 header( "Content-Disposition:  attachment;  filename= {$date}.doc"); 
 $size=readfile($filename); 
  header( "Accept-Length: " .$size);
}
 $url="url地址";
 downfile($url);
"htmlcode">

<"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);
"htmlcode">

<"htmlcode">

<?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();
?>


        

            
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