这样代码更加简单
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>label</title>
</head>
<body>
<form method="post" action="save.php">
输入你的用户名
<input type="text" name="MYname" placeholder="Enter uname"/>
<br/>
输入你的密码
<input type="password" name="pass" placeholder="Enter password"/>
</form>
</body>
</html>