c# json object Dictionary互轉

            //object 轉 string(json)
            string result = JsonConvert.SerializeObject(user);
            //object 轉 JObject
            JObject jo = (JObject)JToken.FromObject(user);
            //JObject 轉 string（json 帶換行）
            //jo.ToString()
            //object 轉 Dictionary
            IDictionary<string, object> list = ObjectToDictionaryHelper.ToDictionary(user);
            //string(json) 轉 Dictionary
            Dictionary<string, Object> list2 = JsonConvert.DeserializeObject<Dictionary<string, Object>>(result);
            //string(json) 轉 object
            User user3 = JsonConvert.DeserializeObject<User>(result);