Problem with Json in Jquery
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by Davidslv
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Published on 2010-06-15T09:54:13Z
Indexed on
2010/06/15
10:12 UTC
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Hi everyone,
I have a small survey, but when i submit it says that the msg is null, i don't see where is my error.
If you could help me i apreciate it.
Thank you
My Form with Jquery and Ajax Function
<!DOCTYPE HTML>
<hmtl lang="pt-PT">
<head>
<title>Formulário</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.4.2.min.js"></script>
</head>
<body>
<hr />
<h3>Formulario</h3>
<script type="text/javascript" charset="utf-8">
$(function () {
$('#submiter').click( function() {
$.ajax({
type: "POST",
url: 'validar.php',
dataType: 'json',
success: function(msg) {
alert('Mensagem '+ msg.mensagem);
},
error : function () {
alert('Ocorreu um erro');
}
});
});
});
</script>
<form id="formulario" action="" method="post" accept-charset="utf-8">
<p>Pergunta 1</p>
<label for="pergunta1">sim</label><input type="radio" id="p1" name="pergunta1" value="1" /><br />
<label for="pergunta1">não</label><input type="radio" id="p1" name="pergunta1" value="0" />
<br />
<p>Pergunta 2</p>
<label for="pergunta2">sim</label><input type="radio" name="pergunta2" value="0" /><br />
<label for="pergunta2">não</label><input type="radio" name="pergunta2" value="1" />
<br />
<p>Pergunta 3</p>
<label for="pergunta3">sim</label><input type="radio" name="pergunta3" value="0" /><br />
<label for="pergunta3">não</label><input type="radio" name="pergunta3" value="1" />
<br />
<p>Pergunta 4</p>
<label for="pergunta4">sim</label><input type="radio" name="pergunta4" value="0" /><br />
<label for="pergunta4">não</label><input type="radio" name="pergunta4" value="1" />
<br />
<p><input type="submit" id="submiter" value="Continue →"></p>
</form>
</body>
</html>
My PHP
<?php
if($_POST) {
$pergunta1 = $_POST['pergunta1'];
$pergunta2 = $_POST['pergunta2'];
$pergunta3 = $_POST['pergunta3'];
$pergunta4 = $_POST['pergunta4'];
$calcular = $pergunta1 + $pergunta2 + $pergunta3 + $pergunta4;
$var = array ('mensagem' => $calcular);
echo json_encode($var);
}
else {
$var2 = array('mensagem' => 'sem resultado');
echo json_encode($var2);
}
?>
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