PHP 文件管理

主页面：

<?php
    session_start();

    $filename="";

    if(!empty($_SESSION["lujing"]))
    {
        $filename = $_SESSION["lujing"];

        $sj = dirname($_SESSION["lujing"]);//找上级目录
        echo "<div id='prev' class='list' lj='{$sj}'>返回上一层</div>";
    }
    else
    {
        $filename = "./bootstrap";
    }

    ?>
    <div id="nr">

        <?php

        //打开该文件夹
        $dir = opendir($filename);
        while($f = readdir($dir))
        {
            if($f!="." && $f!="..")
            {
                $ml = $filename."/".$f;
                if(is_file($filename."/".$f))
                {
                    echo "<div class='list'>{$f}</div>";
                }
                else
                {
                    echo "<div lj='{$ml}' class='list mulu'>{$f}</div>";
                }
            }
        }

        closedir($dir);

        ?>
    </div>
</div>

<script type="text/javascript">

$(".mulu").dblclick(function(){

        var lj = $(this).attr("lj");
        $.ajax({
                url:"chuli.php",
                data:{lj:lj},
                type:"POST",
                dataType:"TEXT",
                success: function(){
                    window.location.href="xiugai.php";
                    }
            });

    })

$("#prev").dblclick(function(){
        var lj = $(this).attr("lj");
        $.ajax({
                url:"chuli.php",
                data:{lj:lj},
                type:"POST",
                dataType:"TEXT",
                success: function(){
                    window.location.href="xiugai.php";
                    }
            });

    })
</script>

处理页面：

session_start();
$lj = $_POST["lj"];

$_SESSION["lujing"] = $lj;