php多文件上传下载示例分享_php实例

index_uploads.php

echo "

";
    print_r($_FILES);
    echo "

";

$count = count($_FILES['file']['name']);

for ($i = 0; $i $tmpfile = $_FILES['file']['tmp_name'][$i];
$filefix = array_pop(explode(".", $_FILES['file']['name'][$i]));
$dstfile = "uploads/files/".time()."_".mt_rand().".".$filefix;

if (move_uploaded_file($tmpfile, $dstfile)) {
echo "";
} else {
echo "";
}
}

uploads.php

header("content-type:text/html;charset=utf-8");
$dirname = "uploads/files";

function listdir($dirname) {
$ds = opendir($dirname);
while ($file = readdir($ds)) {
$path = $dirname.'/'.$file;
if ($file != '.' && $file != '..'){
if (is_dir($path)) {
listdir($path);
} else {
echo "

";
echo "";
echo "Download";
echo "";
}
}
}
}
echo "

图片下载|图片上传

";
echo "";
listdir($dirname);
echo "";

listdir.php

$imgfile = $_GET['imgfile'];
$path = './uploads/files/'.$imgfile;
$imgsize = filesize($path);

header("content-type:application/octet-stream");
header("content-disposition:attachment;filename={$imgfile}");
header("content-length:{$imgsize}");
readfile($path);

download.php

download.php

核心下载：

header("content-type:application/octet-stream");
header("content-disposition:attachment;filename={$imgfile}");
header("content-length:{$imgsize}");
readfile($path);