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  
 //基本路徑  
 $base\_dir="D:/xampplite/htdocs/10/test/uploads";  
   
 //基本網址  
 $base\_url="http://localhost/10/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);  
 }

<span style="color: rgb(51, 102, 255);">//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\['new\_dir2'\]);</span>

<span style="color: rgb(255, 0, 0);">//刪除目錄  
 }elseif($\_GET\['op'\]=="del\_dir"){  
 $dirname=dirname(\_UPLOAD\_DIR);  
 deltree(\_UPLOAD\_DIR);  
 header("location:index.php?to=".$dirname);</span>  
   
 <span style="color: rgb(51, 153, 102);">//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\['new\_dir2'\]);</span>

<span style="color: rgb(255, 0, 255);">//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);</span>

}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>  
   
 <form action='{$\_SERVER\['PHP\_SELF'\]}' method='post' enctype='multipart/form-data'>  
 <table style='width:1000px;' class='tinytable'>  
 <tr><td style='width:400px;'>  
   
 <div style='height:400px;overflow:auto;'>  
 <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($size,1);  
 <span style="background-color: rgb(255, 255, 153);">$del=($sub\_dir=="..")?"":"<a href='index.php?op=del\_dir&to=".\_UPLOAD\_DIR."/".$sub\_dir."'>刪除</a>";</span>  
 $main.= "<tr><td><a href='index.php?to=".\_UPLOAD\_DIR."/".$sub\_dir."'>$sub\_dir</a></td><td>$size</td><td>目錄</td><td><span style="background-color: rgb(255, 255, 153);">$del</span></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);   
 <span style="background-color: rgb(204, 255, 255);">$exif=(strtolower(substr($file,-3))=="jpg")?" (<a href='exif.php?file=".\_UPLOAD\_DIR."/{$file}#' target='show'>exif</a>)":"";</span>  
 $main.= "<tr><td><a href='".\_UPLOAD\_URL."/{$file}' target='show'>$file</a><span style="background-color: rgb(204, 255, 255);">$exif</span></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 name='show' style='width:100%;height:400px;border:1px solid gray;'></iframe></td></tr>  
   
 <tr><th colspan=2>  
   
 <input type='hidden' name='to' value='".\_UPLOAD\_DIR."'>  
   
 <span style="color: rgb(255, 0, 0);">將「".\_UPLOAD\_DIR."」<input type='radio' name='op' value='move\_dir'>搬移<span style="color: rgb(51, 153, 102);"><input type='radio' name='op' value='copy\_dir'>複製</span>到：".folder\_select($base\_dir,"new\_dir2")."<span style="color: rgb(255, 0, 255);">或改名為<input type='text' name='new\_dir\_name' size=10></span><br></span>  
   
 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 );  
   
 }  
 ?>

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