using System;

using System.Collections.Generic;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.IO;

using System.Text;

using System.Web.Script.Serialization;

using System.Runtime.Serialization.Json;

/// <summary>

/// json反序列化对象

/// </summary>

public class Nature

{

    public string name { get; set; }//属性编号

    public string sex { get; set; }  //分类编号

}

/// <summary>

/// json反序列化对象

/// </summary>

public class Person

{

    public string name { get; set; }//属性编号

    public string sex { get; set; }  //分类编号

    public string age { get; set; }  //分类编号

    public string tel { get; set; }  //分类编号

}

public partial class _Default : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        //复杂的json解析

        String json = "[{\"name\":\"zhangsan\",\"sex\":\"男\"},{\"name\":\"李四\",\"sex\":\"男\"},{\"name\":\"张娟\",\"sex\":\"女\"},{\"name\":\"慧娟\",\"sex\":\"女\"}]";

        List<Nature> nt = Deserialize<List<Nature>>(json);

        if (nt != null && nt.Count > 0)

        {

            Response.Write("复杂的json反序列化：<br/>");

            foreach (Nature dt in nt)//打印集合中的元素

            {

                Response.Write(dt.name+"<br/>");

            }

        }

        //简单的json解析

        String json1 = "{\"name\":\"张三\",\"sex\":\"男\",\"age\":\"25\",\"tel\":\"1301554XXXX\"}";

        JavaScriptSerializer js = new JavaScriptSerializer();

        Person pe = js.Deserialize<Person>(json1);

        Response.Write("<br/>简单的json反序列化：" + pe.name);

        Response.Write("<h5>序列化操作</h5>");

        Response.Write("<h5>复杂对象序列化</h5>");

        List<Nature> list = new List<Nature>()

        {

            new Nature(){ name="张三", sex="男"},

            new Nature(){ name="慧娟", sex="女"}

        };

        string jsonTxt = JsonSerializer<List<Nature>>(list);

        Response.Write(jsonTxt);

        Response.Write("<h5>简单对象序列化</h5>");

        Person pes = new Person();

        pes.name = "姐姐";

        pes.sex = "女";

        pes.tel = "1301554XXXX";

        pes.age = "23";

        string json1Txt = JsonSerializer<Person>(pes);

        Response.Write(json1Txt);

    }

    /// <summary>

    /// 反序列化json数组

    /// </summary>

    /// <typeparam name="T">对象</typeparam>

    /// <param name="json">json数组</param>

    /// <returns></returns>

    public  T Deserialize<T>(string json)

    {

        T obj = Activator.CreateInstance<T>();

        using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(json)))

        {

            DataContractJsonSerializer serializer = new DataContractJsonSerializer(obj.GetType());

            return (T)serializer.ReadObject(ms);

        }

    }

    /// <summary>

    /// 序列化对象为json

    /// </summary>

    /// <typeparam name="T">类型</typeparam>

    /// <param name="t">对象</param>

    /// <returns></returns>

    public  string JsonSerializer<T>(T t)

    {

        DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));

        MemoryStream ms = new MemoryStream();

        ser.WriteObject(ms, t);

        string jsonString = Encoding.UTF8.GetString(ms.ToArray());

        ms.Close();

        return jsonString;

    }

}