PHP下载图片后无法打开

Question

<?php
//文件下载
//readfile
$filename="http://csdnimg.cn/www/images/csdn_logo_blue.gif";
$fileinfo = pathinfo($filename);
header('Content-type: application/x-'.$fileinfo['extension']);
header('Content-Disposition: attachment; filename='.$fileinfo['basename']);
header('Content-Length: '.filesize($filename));
readfile($thefile);
exit();
?>为什么会打不开

Answer 1

$thefile是什么？
试试这个$filename="http://csdnimg.cn/www/images/csdn_logo_blue.gif";
$fileinfo = pathinfo($filename);
$file = file_get_contents($filename);header('Content-type: application/x-'.$fileinfo['extension']);
header('Content-Disposition: attachment; filename='.$fileinfo['basename']);
header('Content-Length: '.filesize($filename));
echo $file;
eixt();

Answer 2

<?php
$filename="http://csdnimg.cn/www/images/csdn_logo_blue.gif";
$fileinfo = pathinfo($filename);
header('Content-type: application/x-'.$fileinfo['extension']);
header('Content-Disposition: attachment; filename='.$fileinfo['basename']);
readfile($filename);
exit();
?>

Answer 3

确定文件编码utf-8无bom

Answer 4

确定文件编码utf-8无bom是啊  我不相信你是可以的

Answer 5

header("Content-type: image/".$fileinfo['extension']);

Answer 6

<?php
$filename="http://csdnimg.cn/www/images/csdn_logo_blue.gif";
$fileinfo = pathinfo($filename);
header('Content-type: application/x-'.$fileinfo['extension']);
header('Content-Disposition: attachment; filename='.$fileinfo['basename']);
readfile($filename);
exit();
?>不好意思，我的是可以的。

Answer 7

我擦我重新新建个PHP竟然可以了 可能代码冲突了。。

Answer 8

确定文件编码utf-8无bom

Answer 9

新建php能打开就是文件有bom头了

Answer 10

这和图片无法打开
http://www.52wubi.com/wbbmcx/tp/熬.gif