asp.net mvc 接收jquery ajax发送的数组对象

<script type="text/javascript">
        $(function () {
            var obj = { name: "军需品", myclass: [{
                one: 1,
                two: 2,
                three: 3
            }, {
                one: 11,
                two: 22,
                three: 33
            }, {
                one: 111,
                two: 222,
                three: 333
            }]
            };

            $.ajax({
                url: ‘<%=Url.Content("~/Home/GetList") %>‘,
                type: ‘POST‘,
                dataType: ‘json‘,
                data: JSON.stringify(obj),
                contentType: ‘application/json; charset=utf-8‘,
                success: function (data, state) {
                    alert(JSON.stringify(data));
                    alert(state);
                }
            });
        });
    </script>

 1 public class HomeController : Controller
 2     {
 3         //
 4         // GET: /Home/
 5 
 6         public ActionResult Index()
 7         {
 8             return View();
 9         }
10 
11         public ActionResult GetList(Myobj a)
12         {
13             return Json(a);
14         }
15     }
16 
17     public class Myobj
18     {
19         public string name { get; set; }
20         public List<MyClass> myclass { get; set; }
21     }
22 
23     public class MyClass
24     {
25         public int one { get; set; }
26         public int two { get; set; }
27         public int three { get; set; }
28     }