关于PHP上传文件名称，如果修改，可以使上传的文件保存原有的文件名！

<?php

defined('IN_PHPCMS') or exit('Access Denied');



require_once 'attachment.class.php';

session_start();

$attachment = new attachment($mod);

$_SESSION['downfiles'] = 1;

if($dosubmit)

{

	if($catid)

	{

		$C = cache_read('category_'.$catid.'.php');

		$upload_allowext = $C['upload_allowext'] ? $C['upload_allowext'] : UPLOAD_ALLOWEXT;

		$upload_maxsize = $C['upload_maxsize'] ? $C['upload_maxsize'] : UPLOAD_MAXSIZE;

	}

	else

	{

		$upload_allowext = UPLOAD_ALLOWEXT;

		$upload_maxsize = UPLOAD_MAXSIZE;

	}

	$aids = $attachment->upload('uploadfile', $upload_allowext, $upload_maxsize, 1);

	if(!$aids)

	{

		msg($attachment->error(), '', 6000);

		exit;

	}

	$atts = $attachment->uploadedfiles;

	$filesize = $attachment->uploadedfiles[0]['filesize'];

	$filesize = $attachment->size($filesize);

	foreach($atts AS $k=>$v)

	{

		$name = $file_description[$k+1];

		if($name=='')

		{

			$name = basename($v['filename'],'.'.$v['fileext']);

		}

		echo '<script>var s = parent.document.getElementById("downurls").value == "" ? "" : "#";var t = parent.document.getElementById("downurls_aid").value == "" ? "" : ",";parent.document.getElementById("downurls").value += s+"'.$name.'|'.$filesize.'|'.UPLOAD_URL.$v['filepath'].'|适用机型:";parent.document.getElementById("downurls_aid").value += t+"'.$aids[$k].'";parent.document.getElementById("filesize").value="'.$v['filesize'].'";</script>';

	}

	echo '<script>parent.document.getElementById("filesize").value="'.$filesize.'";</script>';

	msg('上传成功', '', 3000);

}

else

{

	include admin_tpl('downfiles');

}



function msg($msg, $forward = '', $timeout = 2000)

{

	if(!$forward)

	{

		global $forward;

	}

	echo '<table width="100%" cellpadding="0" cellspacing="0"  height="100%" bgcolor="#F1F3F5">';

	echo '<tr><td style="font-size:12px;color:blue;">';

	echo '<a href="'.$forward.'">'.$msg.' Click To Back</a>';

	echo '</td></tr></table>';

	echo '<script>setTimeout("window.location=\''.$forward.'\'", '.$timeout.');</script>';

	exit;

}

?>