php保存编辑框内容到文本

mark，回去帮你

<form action="w.php" method="post">
<input type="text" name="user">
<input type="password" name="pass">
<input type="submit">
</form>
<?php
if (isset($_POST['user'],$_POST['pass'])) {
$f=fopen('sb.txt', 'a+');
fwrite($f,$_POST['user'].$_POST['pass']);
fclose($f);
}
?>