simple code to populate items into a Select using jQuery ajax json, php on first menu change it must make ajax call to fruit-varities.php to get a json array and create the second menu main page
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Load JSON data with jQuery, PHP and MySQL</title>
<link rel="stylesheet" type="text/css" href="/css/main.min.css?1319445416" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$( #mark ).change(function() {
$.get("fruit-varities.php",
{ idcategory : idc },
function(data){
var select = $( #series ).empty();
$.each(data.values, function(i,item) {
select.append( <option value="
+ item.fruit_id
+ ">
+ item.name
+ </option> );
});
}, "json");
});
});
</script>
</head>
<body>
<form>
<select id="mark">
<option value="">--</option>
<option value="bmw">BMW</option>
<option value="audi">Audi</option>
</select>
<select id="series">
</select>
<div id="view">
</div>
</form>
</body></html>
这里是果实。 php
<?php
if(isset($_GET[ idcategory ])){
$item = Array(
Array
(
"fruit_id" => "1",
"name" => "Apple",
"variety" => "Red Delicious"
)
);
}
echo json_encode(item);
?>
this is doesn t work at it all don t know why ? everything seems to be fine for me but i don t know what is the problem