[991]PHP網站開發 進階應用技巧2
<?php
//基本路徑
$base_dir="D:/xampplite/htdocs/11/test/uploads";
//基本網址
$base_url="http://localhost/11/test/uploads";
//檢查是否要切換路徑
$dir=(empty($_REQUEST['to']))?$base_dir:str_replace("\\","/",realpath($_REQUEST['to']));
//檢查目前路徑是否在基本路徑之下
$dir=(ereg("^".$base_dir,$dir))?$dir:$base_dir;
//製作切換網址
$url=str_replace($base_dir,$base_url,$dir);
//把切換路徑定義到常數
define("_UPLOAD_DIR",$dir);
//把切換網址定義到常數
define("_UPLOAD_URL",$url);
/************** 判斷目前要進行的動作 **************/
//刪除單一檔案
if($_GET['op']=="del"){
$file=$_GET['file'];
@unlink(_UPLOAD_DIR."/".$file);
header("location:"._UPLOAD_DIR);
//刪除多檔案
}elseif($_POST['op']=="del"){
if(is_array($_POST['files'])){
foreach($_POST['files'] as $file){
@unlink(_UPLOAD_DIR."/".$file);
}
header("location:"._UPLOAD_DIR);
}
//搬移多檔案
}elseif($_POST['op']=="move"){
if(is_array($_POST['files'])){
foreach($_POST['files'] as $file){
@rename(_UPLOAD_DIR."/".$file,$_POST['new_dir']."/".$file);
}
header("location:"._UPLOAD_DIR);
}
//搬移目錄
}elseif($_POST['op']=="move_dir"){
$dirname=basename(_UPLOAD_DIR);
rename(_UPLOAD_DIR,$_POST['new_dir2']."/{$dirname}");
header("location:index.php?to=".$_POST['new_dir2']);
//刪除目錄
}elseif($_GET['op']=="del_dir"){
$dirname=dirname(_UPLOAD_DIR);
delTree(_UPLOAD_DIR);
header("location:index.php?to=".$dirname);
//複製目錄
}elseif($_POST['op']=="copy_dir"){
$dirname=basename(_UPLOAD_DIR);
full_copy(_UPLOAD_DIR,$_POST['new_dir2']."/{$dirname}_copy");
header("location:index.php?to=".$_POST['new_dir2']);
//目錄改名
}elseif(!empty($_POST['new_dir_name'])){
$dirname=dirname(_UPLOAD_DIR);
rename(_UPLOAD_DIR,$dirname."/".$_POST['new_dir_name']);
header("location:index.php?to=".$dirname);
}elseif(!empty($_POST['mk_dir'])){
mk_dir(_UPLOAD_DIR."/".$_POST['mk_dir']);
header("location:"._UPLOAD_DIR);
}elseif(!empty($_FILES['pic']['tmp_name'])){
foreach($_FILES['pic']['tmp_name'] as $i => $tmpname){
move_uploaded_file($tmpname , _UPLOAD_DIR."/{$_FILES['pic']['name'][$i]}");
}
}
//開啟目錄
$dh=opendir(_UPLOAD_DIR);
$main="
<script src='js/jquery-1.3.2.min.js' type='text/javascript'></script>
<script src='js/jquery.MultiFile.js' type='text/javascript'></script>
<script type='text/javascript'>
$(document).ready(function() {
var wh=$(window).height();
var th=$('#tool').height();
$('#tbl').height(wh);
w1h=wh-th;
$('#w1').height(w1h);
w2h=wh-th-15;
$('#w2').height(w2h);
});
</script>
<form action='{$_SERVER['PHP_SELF']}' method='post' enctype='multipart/form-data'>
<table style='width:1000px;' class='tinytable' id='tbl'>
<tr><td style='width:400px;'>
<div style='overflow:auto;' id='w1'>
<table class='tinytable' style='width:100%;'>
<tr><td colspan=4>$dir</td></tr>
<tr><th>檔名</th><th>大小</th><th>類型</th><th>功能</th></tr>";
//讀取目錄
while($file=readdir($dh)){
if($file==".")continue;
//檢查得到的檔案其類型
$type=filetype(_UPLOAD_DIR."/".$file);
//依據類型放到不同目錄中
if($type=="dir"){
$dir_arr[]=$file;
}else{
$file_arr[]=$file;
}
}
//秀出目錄
if(is_array($dir_arr)){
foreach($dir_arr as $sub_dir){
$size=($sub_dir=="..")?"":dirSize(_UPLOAD_DIR."/".$sub_dir);
$size=($sub_dir=="..")?"":formatBytes($size,1);
$del=($sub_dir=="..")?"":"<a href='index.php?op=del_dir&to="._UPLOAD_DIR."/".$sub_dir."'>刪除</a>";
$main.= "<tr><td><a href='index.php?to="._UPLOAD_DIR."/".$sub_dir."'>$sub_dir</a></td><td>$size</td><td>目錄</td><td>$del</td></tr>";
}
}
//秀出檔案
if(is_array($file_arr)){
foreach($file_arr as $file){
$size=filesize(_UPLOAD_DIR."/".$file);
$size=formatBytes($size,1);
$exif=(strtolower(substr($file,-3))=="jpg")?" (<a href='exif.php?file="._UPLOAD_DIR."/{$file}#' target='show'>exif</a>)":"";
$main.= "<tr><td><a href='"._UPLOAD_URL."/{$file}' target='show'>$file</a>$exif</td><td>$size</td><td>檔案</td><td>
<input type='checkbox' name='files[]' value='$file'>
<a href='{$_SERVER['PHP_SELF']}?file=$file&op=del& to="._UPLOAD_DIR."'>刪除</a></td></tr>";
}
}
$main.="
</table>
</div>
</td><td><iframe id='w2' name='show' style='width:100%;border:1px solid gray;'></iframe></td></tr>
<tr id='tool'><th colspan=2>
<input type='hidden' name='to' value='"._UPLOAD_DIR."'>
將「"._UPLOAD_DIR."」<input type='radio' name='op' value='move_dir'>搬移<input type='radio' name='op' value='copy_dir'>複製到：".folder_select($base_dir,"new_dir2")."或改名為<input type='text' name='new_dir_name' size=10><br>
將勾選的檔案 <input type='radio' name='op' value='del'>刪除
<input type='radio' name='op' value='move'>搬移到：".folder_select($base_dir,"new_dir")."
建立新目錄：<input type='text' name='mk_dir'><br>
，上傳檔案：<input type='file' name='pic[]' class='multi' />
<input type='submit' value='送出'>
</th></tr>
</table>
</form>";
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=Big5">
<title></title>
<link rel="stylesheet" href="tinytable.css" />
<link rel="stylesheet" href="iconize_l.css" />
</head>
<body>
<?php echo $main;?>
</body>
</html>
<?php
//計算目錄大小
function dirSize($directory) {
$size = 0;
foreach(new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory)) as $file){
$size+=$file->getSize();
}
return $size;
}
//把 bytes 轉換成其他單位
function formatBytes($bytes, $precision = 2) {
$units = array('B', 'KB', 'MB', 'GB', 'TB');
$bytes = max($bytes, 0);
$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
$pow = min($pow, count($units) - 1);
$bytes /= pow(1024, $pow);
return round($bytes, $precision) . ' ' . $units[$pow];
}
//目錄選單
function folder_select($base_dir="",$name="",$i=0){
$prefix=str_repeat("--",$i);
$i++;
$disabled=(_UPLOAD_DIR==$base_dir)?"disabled":"";
$option=($i==1)?"<option value='{$base_dir}/' $disabled>/</option>\n":"";
$dh=opendir($base_dir);
while($file=readdir($dh)){
if($file=="." or $file=="..")continue;
$type=filetype($base_dir."/".$file);
if($type=="dir"){
$disabled=(_UPLOAD_DIR=="{$base_dir}/{$file}")?"disabled":"";
$option.="<option value='{$base_dir}/{$file}' $disabled>{$prefix}{$file}</option>\n";
$option.=folder_select("{$base_dir}/{$file}",$name,$i);
}
}
if($i==1){
$main="<select name='$name'>
$option
</select>";
}else{
$main=$option;
}
return $main;
}
//建立目錄
function mk_dir($dir=""){
//若無目錄名稱秀出警告訊息
if(empty($dir))die("沒有目錄名稱");
//若目錄不存在的話建立目錄
if (!is_dir($dir)) {
umask(000);
//若建立失敗秀出警告訊息
if(!mkdir($dir, 0777)){
die("$dir 建立失敗！");
}
}
}
//目錄複製
function full_copy( $source, $target ){
if ( is_dir( $source ) ){
@mkdir( $target );
$d = dir( $source );
while ( FALSE !== ( $entry = $d->read() ) ){
if ( $entry == '.' || $entry == '..' ){
continue;
}
$Entry = $source . '/' . $entry;
if ( is_dir( $Entry ) ){
full_copy( $Entry, $target . '/' . $entry );
continue;
}
copy( $Entry, $target . '/' . $entry );
}
$d->close();
}else{
copy( $source, $target );
}
}
//刪除整個目錄
function delTree($dir) {
$files = glob( $dir . '*', GLOB_MARK );
foreach( $files as $file ){
if( is_dir( $file ) )
delTree( $file );
else
unlink( $file );
}
if (is_dir($dir)) rmdir( $dir );
}
?>