Linq To Json

代码：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using System.Web.Script.Serialization;

namespace JsonDemo
{
    [DataContract]
  public  class User
    {
        [DataMember]
        public int UserID { get; set; }
        [DataMember]
        public string UserName { get; set; }
        [DataMember]
        [JsonConverter(typeof(IsoDateTimeConverter))]
        public DateTime CreateTime { get; set; }
        [DataMember]
        //[JsonConverter(typeof(JavaScriptDateTimeConverter))]
        [JsonConverter(typeof(IsoDateTimeConverter))]
        public DateTime Birthday { get; set; }
        [DataMember]
        public List<string> Urls { get; set; }
        [ScriptIgnore]
        public int Salary{get;set;}
        public User() { Urls=new List<string>();}
    
    }
  

}

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Newtonsoft.Json;
using System.Diagnostics;
using Newtonsoft.Json.Linq;

namespace JsonDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            JsonConverterDemo();

        }
        static void JsonConverterDemo()
        {
            User user = new User { UserID = 1, UserName = "单车", Salary = 1000, CreateTime = DateTime.Now.AddYears(-2), Birthday = DateTime.Now.AddYears(-23) };

            string result = JsonConvert.SerializeObject(user);
            Console.WriteLine("序列化后的结果：{0}，length：{1}", result, result.Length);
           //Debug.WriteLine("112");
            user = JsonConvert.DeserializeObject<User>(result);
            Console.WriteLine("反序列化后的结果：{0},{1},{2}",user.UserName,user.Birthday,user.CreateTime);
            Console.Read();
        }
        public static void JsonConverterLinqDemo()
        {
            User user = new User { UserID = 1, UserName = "单车", Salary = 1000, CreateTime = DateTime.Now.AddYears(-2), Birthday = DateTime.Now.AddYears(-2), Urls = new List<string> { "http://zhoufoxcn.blog.51cto.com", "http://blog.csdn.net/zhoufoxcn" } };
            string result = JsonConvert.SerializeObject(user);
            Console.WriteLine("序列化后的结果：{0}，length：{1}", result, result.Length);

            //使用Linq to Json
            JObject obj = JObject.Parse(result);
            JToken jtoken=obj["Urls"];
            List<string> slist = new List<string>();
            foreach(JToken j in jtoken)
            {
                slist.Add(j.ToString());
            }
            Console.WriteLine("反序列化后的结果：");
            User usernew = new User();
            usernew.UserName=(string)obj["UserName"];
            usernew.Birthday = Convert.ToDateTime(obj["Birthday"].ToString());
            usernew.CreateTime = Convert.ToDateTime(obj["CreateTime"].ToString());

            Console.WriteLine("{0},{1},{2}", usernew.UserName, usernew.Birthday,usernew.CreateTime);
            for (int i = 0; i < slist.Count;i++ )
            {
                Console.Write(slist[i]+"\t");
            }
          
        }
    }

   
}

 

注意：User类的两个属性Birthday和CreateTime使用了[JsonConverter(typeof(IsoDateTimeConverter))]标记

        使用[JsonConverter(typeof(IsoDateTimeConverter))]和[JsonConverter(typeof(JavaScriptDateTimeConverter))]序列化的结果是不一样的，建议使用[JsonConverter(typeof(IsoDateTimeConverter))]

 

使用[DataContract]要添加System.Runtime.Serialization引用 

 

测试结果：

------ Test started: Assembly: JsonDemo.exe ------

序列化后的结果：{"UserID":1,"UserName":"单车","CreateTime":"2011-12-04T09:12:49.34375+08:00","Birthday":"2011-12-04T09:12:49.34375+08:00","Urls":["http://zhoufoxcn.blog.51cto.com","http://blog.csdn.net/zhoufoxcn"]}，length：196
反序列化后的结果：
单车,2011-12-4 9:12:49,2011-12-4 9:12:49

http://zhoufoxcn.blog.51cto.com http://blog.csdn.net/zhoufoxcn 
1 passed, 0 failed, 0 skipped, took 0.88 seconds (Ad hoc).