使用到的是Newtonsoft.Json动态库，下载地址：
http://www.newtonsoft.com/json

using Newtonsoft.Json;
using System.Collections.Generic;
using System.IO;/// <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</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</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**对象./// </summary>/// <typeparam name="T">**对象类型</typeparam>/// <param name="json">json字符串</param>/// <param name="anonymousTypeObject">**对象</param>/// <returns>**对象</returns>public static T DeserializeAnonymousType<T>(string json, T anonymousTypeObject){T t = JsonConvert.DeserializeAnonymousType(json, anonymousTypeObject);return t;}
}