login
<?php
???$type = $_GET[‘type‘];
???if(empty($type)) {
???????$url = "";
???}else {
???????if($type == ‘logout‘) {
???????????$url = "";
???????} else{
???????????$url = ";
???????}
???}
?>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript">
???$(function(){
???????$.ajax({
???????????type: "get",
???????????url: "<?php echo $url;?>",
???????????xhrFields: {
???????????????withCredentials: true
???????????},
???????????crossDomain: true,
???????????dataType: "jsonp",
???????????jsonp:"jsoncallback",
???????????success: function (res) {
???????????????alert(res.msg)
???????????}
???????});
???})
</script>
测试jsonp
原文地址：http://www.cnblogs.com/php-linux/p/7569984.html