<?php
/*
下载远程文件
*/
$file_name = "1.exe";

$file_dir = "http://192.168.1.90/test/";

$file = @ fopen($file_dir . $file_name,"r");

if (!$file) {

echo "文件找不到";

} else {

Header("Content-type: application/octet-stream");

Header("Content-Disposition: attachment; filename=" . $file_name);

while (!feof ($file)) {

echo fread($file,5000);
}
fclose ($file);

}
?>
下载图片到本地并且自动命名
function GetImg($url,$filename="") {
if($url==""):return false;endif;
if($filename=="") {
$ext=strrchr($url,".");
if($ext!=".gif" && $ext!=".jpg"):return false;endif;
$filename=date("dMYHis").$ext;
}
ob_start();
readfile($url);
$img = ob_get_contents();
ob_end_clean();
$size = strlen($img);
$fp2=@fopen($filename, "a");
fwrite($fp2,$img);
fclose($fp2);
return $filename;
}