Obtenez le post java html
<html>
<head>
<title></title>
</head>
<body>
<form action="register.php" method="post">
<input type="text" name="username" placeholder="Inserisci lo username" /><br>
<input type="password" name="password" placeholder="Inserisci la password" /><br>
<input type="submit" value="Registrati" />
</form>
</body>
</html>
Greg