C# 使用Newtonsoft.Json序列化自定义类型

/******************************************************************
 * 创建人：HTL
 * 创建时间：2015-04-08 15:36:35
 * 说明：C# 使用Newtonsoft.Json序列化和反序列化自定义类型
 * Json.Net版本:6.0.0.0
 * 需要导入Newtonsoft.Json组件
 * DEMO Url：http://ideone.com/I6MuaZ
 * Email：huangyuan413026@163.com
 *******************************************************************/
using System;
using Newtonsoft.Json;
using System.Collections.Generic;
namespace NewtonsoftJsonTest
{
    //自定义类型
    public class User
    {
        public string name { get; set; }
        public string age { get; set; }
        public override string ToString()
        {
            if (string.IsNullOrEmpty(name) && string.IsNullOrEmpty(age)) return string.Empty;

            return string.Format("age:{0},name:{1}", this.age, this.name);
        }
    }
    class Program
    {
        public static void Main(string[] args)
        {
            User p = null;

            #region//将字符串反序列化成自定义类型
            try
            {
                p = JsonConvert.DeserializeObject<User>("{ \"age\":\"10\" , \"name\":\"HTL\" }");
                //User p =(User)JsonConvert.DeserializeObject("{ \"age\":\"10\" , \"name\":\"HTL\" }",typeof(User));
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            Console.WriteLine("将字符串反序列化成自定义类型结果");
            Console.WriteLine((p ?? new User()).ToString());//输出:"age:10,name:HTL"
            p = null;
            #endregion

            Console.WriteLine(Environment.NewLine);

            #region//将自定义类型序列化成字符串
            p = new User
            {
                age = "20"
                ,
                name = "HTL"
            };
            string s = string.Empty;
            try
            {
                s = JsonConvert.SerializeObject(p);
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            finally
            {
                p = null;
            }
            Console.WriteLine("将自定义类型序列化成字符串结果:");
            Console.WriteLine(s ?? string.Empty); //输出："{\"name\":\"HTL\",\"age\":\"20\"}"
            s = string.Empty;
            #endregion
            Console.ReadLine();
        }
    }
}