angularsjs 對象數組的請求與接收

js代碼

function IndexController($scope,$http){
    $scope.data=[{
        name:'12118'
        ,age:'23'
    }];
    $scope.add =function(){
        var postData = "?name="+JSON.stringify($scope.data)
            +"&"+"age="+$scope.data.age;
        var url = "LoginServlet.do" + postData;

        $http.post(url).success(function(data)
        {
            alert(data[0].name);
        });
    };
}

java代碼

public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        String data = request.getParameter("name");
        JSONArray json=JSONArray.fromObject(data);
        PrintWriter pw = response.getWriter();
        pw.write(json.toString());

    }