Home Backend Development PHP Tutorial 关于删除文件的绝对路径有关问题 求指点

关于删除文件的绝对路径有关问题 求指点

Jun 13, 2016 am 10:13 AM
files mysql quot script

关于删除文件的绝对路径问题 求指点

PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->  delete_files.php$dir = "uploadfiles";//设置文件保存目录 注意包含/   $id=$_GET['delete'];    $conn=mysql_connect('localhost','root','');    $flag=mysql_select_db('laborder' ,$conn);    mysql_query("set names utf8");    $sql="select * from files where files_id='$id'";    $sqlupdate="delete from student where student_id='$id'";     $result=mysql_query($sql,$conn);         if($lists=mysql_fetch_array($result))         { $name=$lists['files_name'];           $a=dirname(__FILE__);           $i=unlink($a/$dir/$name);                  if(mysql_query($sqlupdate)&&$i)                  {                                                echo" <script type="text/javascript">"                      ."txtOption='删除成功!';".                      "alert(txtOption);";                       echo "</script>";                         echo "<script>window.location.href='admin_files.php';</script>";                                         }         }
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这是我做的删除文件的代码,删除文件的同时把他的名称从数据库中删除,现在无法实现删除文件,unlink删除文件时绝对路径吧,用dirname(__FILE__)取得本文件的据对路径,$dir是要删除的文件所在文件夹,请问哪里不对,新手求指点。文件结构是www/test5/uploadfiles/要删除文件 www/test5/delete_files.php本文件



------解决方案--------------------
先把 $a/$dir/$name 这个echo看看,地址对不
------解决方案--------------------
PHP code
$xxx = "{$a}/{$dir}/{$name}";echo $xxx;unlink($xxx);<br><font color="#e78608">------解决方案--------------------</font><br>路径要对,权限要有,必须是个文件<br><font color="#e78608">------解决方案--------------------</font><br>
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E:\work\wamp\www\test5/uploadfiles/SOBEL算子.doc}
按照3楼的更改居然有这个警告
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