$.ajax( {
        url : '/Test/services/update',
        type : 'post',
        data : '{"1":"1","2":"2"}',
        dataType : 'json',
        contentType:'application/json',
        async : false,
        success : function(data) {
            alert("success");
            alert(data.name);
            alert(data.age);
        },
        error : function() {
            alert("ajax error");
        }
    });

@POST
    @Path("/update")
    @Produces("application/json")
    
    //@Produces(MediaType.APPLICATION_JSON)
    public Person update(HashMap map) {

        System.out.println("aaaaaaaaaaa");
        System.out.println(map.get("1"));
        System.out.println(map.get("2"));//这里取不到，而且还报错
        
        
//        Map<String,Person> aa = new HashMap<String,Person>();
//        aa.put("1", new Person("aaa","123"));
//        aa.put("2", new Person("BBB","456"));
        System.out.println("bbbbbbbbbbb");
        //return  new GenericEntity<Map<String, Integer>> (aa){};

        return new Person("test","test");
    }

@GET
    @Path("/requestTest")
    @Produces("application/json")
    public Person update(@Context HttpServletRequest request) {

        System.out.println("request:" + request.getParameter("a11"));
        System.out.println("request:" + request.getParameter("a22"));
        System.out.println("request:" + request.getQueryString());

        return new Person("testPerson", "33");
    }