NewTonJson.Net的使用

1.引用“Newtonsoft.Json” 4.0 版本

2.基础类

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace NewTonJsonTest
{
   public class Animal
    {

       public string nickname { get; set; }
       public int age { get; set; }
    }
}

3.JsonHelper 辅助类

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using Newtonsoft.Json;
namespace NewTonJsonTest
{
    /// <summary>
    /// Json帮助类
    /// </summary>
    public class JsonHelper
    {
        /// <summary>
        /// 将对象序列化为JSON格式
        /// </summary>
        /// <param name="o">对象</param>
        /// <returns>json字符串</returns>
        public static string SerializeObject(object o)
        {
            string json = JsonConvert.SerializeObject(o);
            return json;
        }

        /// <summary>
        /// 解析JSON字符串生成对象实体
        /// </summary>
        /// <typeparam name="T">对象类型</typeparam>
        /// <param name="json">json字符串(eg.{"ID":"112","Name":"石子儿"})</param>
        /// <returns>对象实体</returns>
        public static T DeserializeJsonToObject<T>(string json) where T : class
        {
            JsonSerializer serializer = new JsonSerializer();
            StringReader sr = new StringReader(json);
            object o = serializer.Deserialize(new JsonTextReader(sr), typeof(T));
            T t = o as T;
            return t;
        }

        /// <summary>
        /// 解析JSON数组生成对象实体集合
        /// </summary>
        /// <typeparam name="T">对象类型</typeparam>
        /// <param name="json">json数组字符串(eg.[{"ID":"112","Name":"石子儿"}])</param>
        /// <returns>对象实体集合</returns>
        public static List<T> DeserializeJsonToList<T>(string json) where T : class
        {
            JsonSerializer serializer = new JsonSerializer();
            StringReader sr = new StringReader(json);
            object o = serializer.Deserialize(new JsonTextReader(sr), typeof(List<T>));
            List<T> list = o as List<T>;
            return list;
        }

        /// <summary>
        /// 反序列化JSON到给定的匿名对象.
        /// </summary>
        /// <typeparam name="T">匿名对象类型</typeparam>
        /// <param name="json">json字符串</param>
        /// <param name="anonymousTypeObject">匿名对象</param>
        /// <returns>匿名对象</returns>
        public static T DeserializeAnonymousType<T>(string json, T anonymousTypeObject)
        {
            T t = JsonConvert.DeserializeAnonymousType(json, anonymousTypeObject);
            return t;
        }
    }
}

4.测试代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace NewTonJsonTest
{
    class Program
    {
        static void Main(string[] args)
        {
            //将对象序列化为json字符串
            Animal a = new Animal();
            a.nickname = "xiaoxiao";
            a.age = 10;

            string s = JsonHelper.SerializeObject(a);
            Console.WriteLine(s);
          

            //将json字符串反序列化为list<T>
            string json = "[{"nickname":"石子儿","age":"110"}]";

            var list = JsonHelper.DeserializeJsonToList<Animal>(json);
            Console.WriteLine(list[0].nickname+"cc");

            //将json 字符串序列化为对象

            string jsonobj = "{"nickname":"石子儿obj","age":"110"}";
            var obj = JsonHelper.DeserializeJsonToObject<Animal>(jsonobj);
            Console.WriteLine(obj.nickname);

            //将json 字符串转换成匿名对象
            var tempEntity = new { nickname =string.Empty, age =10};
            string jsonany = "{"nickname":"石子儿any","age":"110"}";
            var objany = JsonHelper.DeserializeAnonymousType(jsonany,tempEntity);
            Console.WriteLine(objany.nickname);
            Console.ReadLine();
        }
    }
}

源码下载