tomcat中jquery访问.net webservice

Question

$.ajax({
                type: "POST",
                //contentType: "application/json",
                url: "http://192.168.0.210:7000/websrv1/Service.asmx/HelloWorld",
                data: "",
                datatype: "json",
                success: function (result) {
                    try {
                        alert(result.d);
                    }
                    catch (e) {
                        alert(e);
                    }
                },
                error: function (x, e) {
                    alert("2");
                }                
            }
        );
地址是本机的ip，webservice发布在本机