代码：
<html>
<head>
<title>文件管理</title>
<Meta charset='utf-8' />
</head>
<body>
<?PHP
//定义要查看的目录
$dir="/";
//先判断$_GET['a']是否已经传值 防止NOTICE错误
if(isset($_GET['a'])){
//选择判断要执行的操作
switch($_GET['a']){
case 'creat':
//新建文件
$filename=$_POST["filename"];
$filename=rtrim($dir,"/")."/".$filename;
file_put_contents($filename,"");
break;
case 'del':
unlink($_GET['filename']);
break;
case 'update':
file_put_contents($_POST['filename'],$_POST['content']);
echo "修改成功";
header("refresh:1;url=index.PHP");
break;
}
}
?>
<center>
<h1>文件管理</h1>
<form action='index.PHP?a=creat' method='post'>
文件：<input type='text' name='filename' />
<input type='submit' value='新建' />
</form>
<table border='1' width='900' cellpadding='5' cellspacing='0'>
<tr>
<th>文件名</th>
<th>类型</th>
<th>大小</th>
<th>创建时间</th>
<th>操作</th>
</tr>
<?PHP
//遍历目录
$dd=opendir($dir);
while(false !== ($f=readdir($dd))){
//过滤点
if($f == "." || $f == ".."){
continue;
}
//拼路径
$file=rtrim($dir,"/")."/".$f;
//防止中文乱码
$f2=iconv("gb2312","utf-8",$f);
echo "<tr>";
echo "<td>{$f2}</td>";
echo "<td>".filetype($file)."</td>";
echo "<td>".filesize($file)."</td>";
echo "<td>".filectime($file)."</td>";
echo "<td align='center'>
<a href='index.PHP?a=edit&filename={$file}'>修改</a>|
<a href='index.PHP?a=del&filename={$file}'>删除</a>
</td>";
echo "</tr>";
}
?>
</table>
<?PHP
if(isset($_GET['a']) && $_GET['a']=='edit'){
echo "<hr/>";
echo "<form action='index.PHP?a=update' method='post'>";
echo "文件名：<input type='text' name='filename' readonly value='{$_GET['filename']}' />";
echo "<br/><br/>";
echo "<textarea name='content' rows='5' cols='30'>".file_get_contents($_GET['filename'])."</textarea>";
echo "<br/><br/>";
echo "<input type='submit' value='保存修改' />";
echo "</form>";
}
?>
</center>
</body>
</html>
效果：
