适合有手机、平板电脑和电脑，方便关闭你的电脑（尤其在你想睡觉时 ），适合局域网。
用法：电脑上要安装apache，并把以下程序放在你的web项目文件夹。
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<title>computer-manager</title>
</head>
<body>
<p>
<?php
if($_POST){
$shutdown = array(
'shutdown' =>'shutdown -s -t 0',
'restart' => 'shutdown -r',
'logout' => 'shutdown -l',
);
$cmdk = $_POST['cmd'];
echo $cmd = $shutdown[$cmdk];
system($cmd); // 执行操作
}
?>
</p>
<form action="#top" method="post">
<p>choose you want.</p>
<select name="cmd">
<option value="shutdown" selected="selected">
shutdown/ go to sleep.
</option>
<option value="restart">
restart computer/ ok, if no password.
</option>
<option value="logout">
logout/ you don't want this.
</option>
</select>
<input type="submit" name="submit" value="submit" />
</form>
</body>
</html>