如何在php中发布iframe值.
示例:Username.php
<form action='data.php' method='post'>
<input type='text' name='username' id='username'>
<iframe src='password.php'></iframe>
<input type='submit'>
</form>
Password.php
<input type='text' name='password' id='passwprd'>
我想将密码和用户名值发布到data.php