重现bug

application/controllers/cache.php

@@ -151,15 +151,9 @@ class Cache extends CI_Controller
             {
                 if ($f!='.' && $f!='..' && (strpos($dir, '/cn/')===false) && (strpos($dir, '/amp/')===false) && (strpos($f, '.pdf')===false))
                 {
-                    $encode_f = mb_detect_encoding($f);
-                    $_f = mb_convert_encoding ($f, 'UTF-8', $encode_f);
-                    $encode_d = mb_detect_encoding($dir);
-                    $_dir = mb_convert_encoding ($dir, 'UTF-8', $encode_d);
-                    echo($encode_f.'@@@'.$encode_d);
-
-                    $file_temp = str_replace('/index.htm###', '', $_f.'###');
+                    $file_temp = str_replace('/index.htm###', '', $f.'###');
                     $file_temp = str_replace('###', '', $file_temp);
-                    $path_temp = str_replace($this->dir, '', $_dir);
+                    $path_temp = str_replace($this->dir, '', $dir);
                     $url_temp = $this->current_domain.$path_temp.'/'.$file_temp;
                     $url_temp = str_replace('index.htm', '', $url_temp);
                     $file_time[$url_temp] = date("F d Y H:i:s", filemtime("$dir/$f"));

application/views/cache/update.php

@@ -124,13 +124,16 @@ $(function() {
                     </tr>
                 </thead>
                 <tbody class="data_group">
-                    <?php foreach($file as $key=>$it) { ?>
+                    <?php foreach($file as $key=>$it) { 
+                        $encode = mb_detect_encoding($it, array('ASCII','UTF-8','GB2312','GBK','BIG5'));
+                        $_it = mb_convert_encoding($it, 'utf-8', $encode);
+                    ?>
                     <tr class="data">
                         <td><?php echo($key+1);?></td>
-                        <?php if (strlen($it)>100) { ?>
-                        <td class="file" title="<?php echo($it);?>"><?php echo(substr($it, 0, 40));?>..........<?php echo(substr($it, -35));?></td>
+                        <?php if (strlen($_it)>100) { ?>
+                        <td class="file" title="<?php echo($_it);?>"><?php echo(substr($_it, 0, 40));?>..........<?php echo(substr($_it, -35));?></td>
                         <?php } else { ?>
-                        <td class="file" title="<?php echo($it);?>"><?php echo($it);?></td>
+                        <td class="file" title="<?php echo($_it);?>"><?php echo($_it);?></td>
                         <?php } ?>
                         <td><?php echo($file_time[$it]); ?></td>
                         <td class="msg_wait">无操作</td>