Json基础

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Script.Serialization;

namespace ajax
{
    /// <summary>
    /// Json 的摘要说明
    /// </summary>
    public class Json : IHttpHandler
    {

        public void ProcessRequest(HttpContext context)
        {
            
            context.Response.ContentType = "text/plain";
            JavaScriptSerializer jss = new JavaScriptSerializer();
           string json= jss.Serialize(new Person() {Age=20,Name="json"});
            context.Response.Write(json);
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
    public class Person 
    {
        public string Name { get; set; }
        public int Age { get; set; }
    }
}

  

<!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>
    <title></title>
    <script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
            $("#btn").click(function () {
                $.post("Json.ashx", { "msg": $("#TextArea1").val() }, function (data, status) {
                    if (status != "success") {
                        alert("发帖失败!请重试!");
                        return;
                    }
                    var person = $.parseJSON(data);
                    alert(person.Name);
                });
            });

        });
    
    </script>
</head>
<body>
    <textarea id="TextArea1" cols="50" rows="5"></textarea><br/>
<input type="button"  id="btn" value="提交"/>
</body>
</html>

  

 

  

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