使用jsonp
$.ajax({
type: "POST",
url: "http://www.baidu.com/",
data: { "calltype": "2", "jsonParm": '{"pageIndex":1,"pageSize":10,"userId":"0","currentUserId":"180"}' },
crossDomain: true,
dataType: "jsonp",
success: function (data, status)
{
alert(data.refresh);
},
error: function (xhr, status)
{
console.log("ajax error!");
}
});