Json序列化与反序列化完整实例

前台代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="JSonExercise.WebForm1" validateRequest="false" %>



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">



<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <title></title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

        

        将Customer类转成string&nbsp;&nbsp;<asp:TextBox ID="rT1" runat="server" TextMode="MultiLine" Width="600px" Height="150"></asp:TextBox>

        <br />

        读txt文件并转成Customer类:<asp:TextBox ID="txtCustomer" runat="server" TextMode="MultiLine" Width="600" Height="150"></asp:TextBox>

        

        <br />

        

        <br />

        <asp:Button ID="Button1" runat="server" onclick="Button1_Click" 

            Text="Json类序列化string" />

        

        <br />

        <br />

        

        <asp:Button ID="Button2" runat="server" onclick="Button2_Click" 

            Text="读txt文件发序列化Custom类" />

        

    </div>

    </form>

</body>

</html>

后台代码:

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.IO;

using System.Xml.Serialization;



namespace JSonExercise

{

    public partial class WebForm1 : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

           

        }

        public class Customer

        {

            public int Unid { get; set; }

            public string CustomerName { get; set; }

        }

        // 将实体转成string

        public string ToJson(Customer customer)

        {



            string strReturn = SerializeToXml(customer);

            return strReturn;

            

        }



        protected void Button1_Click(object sender, EventArgs e)

        {

            Customer cc = new Customer { Unid = 1, CustomerName = "John" };

            string strJson = ToJson(cc);

            rT1.Text = strJson;

        }

        #region 实现对象转换成XML类型字符串。

        /// <summary>

        /// 实现对象转换成XML类型字符串。

        /// </summary>

        /// <param name="obj">Object对象参数</param>

        /// <returns>返回XML类型字符串</returns>

        public static string SerializeToXml(object obj)

        {

            XmlSerializer s = new XmlSerializer(obj.GetType());

            StringBuilder sb = new StringBuilder();

            StringWriter writer = new StringWriter(sb);

            s.Serialize(writer, obj);

            return sb.ToString().Replace(@"\>\s+", ">");

        }

        #endregion



        #region 实现Xml字符串转换为实体对象。

        /// <summary>

        /// 实现Xml字符串转换为实体对象。

        /// </summary>

        /// <typeparam name="T">实体对象的类型</typeparam>

        /// <param name="xmlObject">xml字符串</param>

        /// <returns>返回对应的实体对象</returns>

        public static T DeserializeXmlString<T>(string xmlObject)

        {

            XmlSerializer s = new XmlSerializer(typeof(T));

            StringReader stringReader = new StringReader(xmlObject);

            return (T)s.Deserialize(stringReader);

        }

        #endregion



        protected void Button2_Click(object sender, EventArgs e)

        {

            FileStream fs1 = new FileStream("customer.txt", FileMode.Open);

            StreamReader sr = new StreamReader(fs1);

            string str1 = sr.ReadToEnd();

            sr.Close();

            fs1.Close();

            Customer customer = DeserializeXmlString<Customer>(str1);

            txtCustomer.Text = customer.Unid + "  " + customer.CustomerName;

        }



    }

}

 

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