jsonp simple call not working
i have this simple 2 files that should process simple jsonp call
here is the开发者_如何学编程 index file :
<html>
<head>
<script type="text/javascript" id="myJSONPCall" src="http://mySubDomain.comoj.com/jsoncall.php?jsonCallback=myCallback"></script>
<script type="text/javascript">
function myCallback(obj) {
alert(obj.text);
}
</script>
</head>
<body>
</body>
</html>
and here is the php part :
<?php
$myObject = array(
"text" => "Hello, I am data from the remote server.",
"created_at" => "Thu May 07 21:36:12 +0000 2009"
);
$myJSONObject = json_encode($myObject);
$myJSONCallback = filter_var($_REQUEST['jsonCallback'], FILTER_SANITIZE_STRING);
print "$myJSONCallback($myJSONObject)"
?>
here , i update it. what is wrong here? what i exactly i did wrong?
Well, where do you suppose your GET number to be printed?
When your browser request the http://mysubdomain.comoj.com/jsoncall.php?jsonCallback=3 url, it's make an HTTP request to the php page. When the http server send you a response it just contain "3" as body, wich is not valid javascript and nothing happen.
Moreover, if you want to create a php page that build a dinamic javascript you have to first tell the browser that you're sending a javascript file by using the header("Content-Type: textt/javascript"); directive before print anything to screen.
Last but not least...you're not doing a jSONP call at all :)
加载中,请稍侯......
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