javascript/jquery 跨域访问

JS代码：
$.ajax({
type: "get",
//async:false,
dataType:"jsonp",
url :verifyUrl,
data:"typeFlag=A&verifyCode=N&noteCode="+mobileCode,
jsonp:"callbackparam",
jsonpCallback:"ajaxTestFn",
success:function(json){

if(json != null ){
if(json["Code"] == "0001"){

addCardInfoForm.submit();
}else if(json["Code"] == "0002"){

$("#errSendNo").text("验证码输入有误，请重新获取验证码！");
$("#errSendNo").removeClass("tips tips1").addClass("error");
$("#errSendNo").show();
$("#mobileCode").addClass("alert");
}
}
},
error:function(){
alert('fail');
}
});

function ajaxTestFn(json){
alert("32"+json);
}

java代码：
logs.info("_0001_短信校验成功");
JSONObject json = new JSONObject(); 
String callbackFunName  = request.getParameter("callbackparam");
logs.info("--"+callbackFunName);
json.put("Code", "0001");
logs.info("==="+json.toString());

response.setCharacterEncoding("text/html;charset=UTF-8");
out.write(callbackFunName + "(" +json.toString()+")");