jQuery 之ajax jsonp跨域请求学习笔记

<script>$(document).ready(function(){    var url=$("#userInfoUrl").val();    alert("34ewrwr");          $.ajax({            type: "GET",            contentType: "application/x-www-form-urlencoded",            dataType: "jsonp",            url: "https://graph.qq.com/user/get_user_info?oauth_consumer_key=100339&access_token=65CE1684A859BF34CDA2416E612&openid=11FD2836AD9BE9701BF50CBE50&format=json",  //这里是网址            jsonpCallback: callme,            success:function(data){alert(data);},            timeout:30000,            error: function (XMLHttpRequest, textStatus, errorThrown) {            alert("----33----"+errorThrown);            }     });});function callme(json){alert("ddddddd");}</script>