Tad 教材網 - 線上書籍

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\[991\]PHP網站開發 進階應用技巧2
======================

<?php 
 if(!empty($\_GET\['to'\])){ 
 define("\_UPLOAD\_DIR",$\_GET\['to'\]); 
 }else{ 
 define("\_UPLOAD\_DIR","D:/xampplite/htdocs/07/test/uploads"); 
 } 
 define("\_UPLOAD\_URL","http://localhost/07/test/uploads"); 
 
 $dh=opendir(\_UPLOAD\_DIR); 
 
 $main="<table class='tinytable'> 
 <tr><th>檔名</th><th>大小</th><th>類型</th></tr>"; 
 while($file=readdir($dh)){ 
 if($file==".")continue; 
 $type=filetype(\_UPLOAD\_DIR."/".$file); 
 
 if($type=="dir"){ 
 $dir\_arr\[\]=$file; 
 }else{ 
 $file\_arr\[\]=$file; 
 } 
 } 
 
 //秀出目錄 
 foreach($dir\_arr as $sub\_dir){ 
 $size=($sub\_dir=="..")?"":dirSize(\_UPLOAD\_DIR."/".$sub\_dir); 
 $size=($sub\_dir=="..")?"":formatBytes($size,1); 
 $sub\_dir=mb\_convert\_encoding($sub\_dir, "UTF-8", "Big5,UTF-8"); 
 $main.= "<tr><td><a href='index.php?to=".\_UPLOAD\_DIR."/".$sub\_dir."'>$sub\_dir</a></td><td>$size</td><td>目錄</td></tr>"; 
 } 
 
 //秀出檔案 
 foreach($file\_arr as $file){ 
 $size=filesize(\_UPLOAD\_DIR."/".$file); 
 $size=formatBytes($size,1); 
 $file=mb\_convert\_encoding($file, "UTF-8", "Big5,UTF-8"); 
 $main.= "<tr><td><a href='".\_UPLOAD\_URL."/{$file}'>$file</a></td><td>$size</td><td>檔案</td></tr>"; 
 } 
 $main.="</table>"; 
 ?> 
 
 
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
 <html> 
 <head> 
 <meta http-equiv="content-type" content="text/html; charset=UTF-8"> 
 <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\[$pow\]; 
 } 
 
 ?>

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