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;
        }

    }
}

posted on 2013-12-13 13:09 王洪洪阅读(362) 评论(0) 编辑收藏举报