php文件管理源代码(1/2)_PHP教程

php教程文件管理源代码
//这款文件管理源码是一款可以创建，删除文件，上传文件，设置文件权限，获取磁盘剩余空间，文件复制，修改名称，目录管理，等。
/*************************************
*－－－文件管理
*作者：菜根
*主页：http://www.phpvc.com/blog
*声明：此文件功能参照于phps教程py，
************************************/

if(function_exists('date_default_timezone_set'))
{
@date_default_timezone_set('asia/shanghai');
}

define('is_win', directory_separator == '');
define('is_com', class_exists('com') ? 1 : 0 );
define('web_root', str_replace('', '/', dirname(__file__)).'/');
$phpself = htmlspecialchars($_server['php_self'] ? $_server['php_self'] : $_server['script_name']);
$msg = '';

if(!empty($_post['cwddir']))
{
$_post['cwddir'] = addslashes($_post['cwddir']);
if(is_dir($_post['cwddir']))
chdir($_post['cwddir']);
}

$cwddir = getcwddir();//获取当前工作路径

$freespaces = disk_free_space($cwddir);//当前磁盘剩余空间
$totalspaces = disk_total_space($cwddir);//当前总空间大小
//header("content-type: text/html; charset=utf-8");

//新建目录
if($_post['newdirname'])
{
$newdir = $_post['dirname'].$_post['newdirname'];
if(file_exists($newdir))
{
$msg = "该目录：$newdir 已存在,请用其它名字";
}else{
$msg = "创建$newdir".(@mkdir($newdir,0777) ? '成功' : '失败');
}
}

//文件上传
if($_post['upload'])
{
$fname = $_files['upfilename'];
$msg = fileupload($fname,$_post['todir']);
}

//更改名称
if($_post['newname'])
{
$newname = addslashes($_post['newname']);
$oldname = addslashes($_post['oldname']);
$dirname = addslashes($_post['dirname']);
$newname = $dirname.$newname;
if(!file_exists($newname))
{
if(rename($oldname,$newname))
{
$msg = '更改名称成功';
}else{
$msg = '无法更改，请检查相关配置和权限';
}
}else{
$msg = '文件已存在，请更换其它名称！';
}
}

//复制文件
if($_post['tofile'])
{
$tofile = addslashes($_post['tofile']);
$oldname = addslashes($_post['oldname']);
if(file_exists($tofile))
{
$msg = '文件已存在，请更换其它名称！';
}else{
if(copy($oldname,$tofile))
{
$msg = "复制文件 $oldname 到 $tofile 成功！";
}else{
$msg = "复制文件 $oldname 到 $tofile 失败，请检查相关配置和权限！";
}
}
}

//下载文件:源码来自phpspy2008,因为我对header()一窍不通，呵呵
if($_post['dfile'])
{
$thefile = addslashes($_post['dfile']);
//header("location:$dfile");
if (!@file_exists($thefile)) {
$errmsg = 'the file you want downloadable was nonexistent';
} else {
$fileinfo = pathinfo($thefile);
header('content-type: application/x-'.$fileinfo['extension']);
header('content-disposition: attachment; filename='.$fileinfo['basename']);
header('content-length: '.filesize($thefile));
@readfile($thefile);
exit;
}
}

//删除单个文件
if($_post['delfilename'])
{
$delfilename = addslashes($_post['delfilename']);
if(!file_exists($delfilename))
{
$msg = '文件不存在！';
}else{
if(unlink($delfilename))
{
$msg = '删除'.$delfilename.'成功';
}else{
$msg = '删除'.$delfilename.'失败，请检查相关配置和权限';
}
}
}

//删除文件夹
if($_post['deldirname'])
{
$delname = addslashes($_post['deldirname']);
if(deltree($delname))
{
$msg = '删除'.$delname.'成功';
}else{
$msg = '删除'.$delname.'失败，请检查相关配置和权限';
}
}

//新建文件
if($_post['createtofile'])
{
$createfilename = htmlspecialchars(addslashes($_post['createdirname'].$_post['createtofile']));
//echo $createfilename;
if(file_exists($createfilename))
{
$msg = '文件已存在！';
$createfilename = 0;
}else{
if($creatfhandle = fopen($createfilename,'w'))
{
//echo 'dffdfd';
fclose($creatfhandle);
}else {
$msg = '文件创建失败，请检查相关配置和权限！';
}
}
}

//编辑文件
if($_post['editfilename'])
{
$createfilename = addslashes($_post['editfilename']);
if(!file_exists($createfilename))
{
$msg = '文件不存在！';
$createfilename = 0;
}
}

//保存编辑过的文件
if($_post['editsubmit'])
{
$savefilecontent = htmlspecialchars($_post['fcontent']);
$savefilename = $_post['editfname'];
if($fhandle = fopen($savefilename,'wb'))
{
if(fwrite($fhandle,$savefilecontent))
{
$msg = '编辑成功！';
}else{
$msg = '编辑失败！';
}
fclose($fhandle);
}
}

//修改属性
if ($_post['newperm'])
{
$newperm = $_post['newperm'];
$pfile = addslashes($_post['pfile']);
if (!file_exists($pfile))
{
$msg = '文件不存在';
} else {
$newperm = base_convert($newperm,8,10);
$msg = '修改文件属性 '.(@chmod($pfile,$newperm) ? '成功' : '失败');
}
}

?>











');">webroot
|
create directory
|
create file
if (is_win && is_com) {
//此代码来源于phpspy
$obj = new com('scripting.filesystemobject');
if ($obj && is_object($obj)) {
$drivetypedb = array(0 => 'unknow',1 => 'removable',2 => 'fixed',3 => 'network',4 => 'cdrom',5 => 'ram disk');
foreach($obj->drives as $drive) {
if ($drive->drivetype == 2) {
echo(' | path.'/');" title="size:'.realsize($drive->totalsize).' free:'.realsize($drive->freespace).' type:'.$drivetypedb[$drive->drivetype].'">'.$drivetypedb[$drive->drivetype].'('.$drive->path.')');
} else {
echo(' | path.'/');" title="type:'.$drivetypedb[$drive->drivetype].'">'.$drivetypedb[$drive->drivetype].'('.$drive->path.')');
}
}
}
}
?>

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