logo   Ajax - Regnemaskine.




Form requested som JSON-fil. Simpelt response som Alert.


Kontroller om fil modtaget:

if (isset($_POST['felt01'],$_POST['felt02'], $_POST['felt03'])) { print_r($_POST); }


REGNEMASKINE


FORM


<form action="add.php" method="post">
   <input type="text" name="first">+
   <input type="text" name="second">
   <input type="submit" value="Send">
</form>



global js


$('#add').on('submit', function() {
   var that = $(this),
      contents = that.serialize();

   $ajax({
      url: 'add.php',
      dataType: 'json',
      type: 'post',
      data: contents,
      success: fundtion(data) {
         if(data.success) {
            alert('The result is ' + data.result);
         }
      }
   });
   return false;
});



PHP


<?php
header('Content-type: text/javascript');

$json = array(
   'success' => false,
   'result' => 0
);

if(isset($_POST['first'], $_POST['second'])) {
   $first = (int)$_POST['first'];
   $first = (int)$_POST['second'];

   $json['success'] = true;
   $json['result'] = $first + $second;
}
echo json_encode($json);
?>

https://www.youtube.com/watch?v=GrycH6F-ksY
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