用Jquery访问Handler.ashx并返回Json

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Default.html前台页面代码

<html xmlns="http://www.w3.org/1999/xhtml" ><head>    <title>无标题页</title>    <script. type="text/javascript" src="js/jquery-1.2.1.pack.js"></script></head><script. type="text/javascript">    $(document).ready(function (){        $("#btnOK").click(function (){            $.getJSON(                "Handler.ashx",                {},                function(json){                    $("#list").append("<li>id:"+json.EmployeeId+"|Name:"+json.EmployeeName+"|年龄:"+json.EmployeeInfo[0]+"|身高:"+json.EmployeeInfo[1]+"|体重:"+json.EmployeeInfo[2]+"</li>");                }            )        })    })</script><body>    <input id="btnOK" value="加载数据" type="button"/>    <ul id="list">           </ul></body></html>

Handler.ashx服务器端处理请求的代码

<%@ WebHandler Language="C#" Class="Handler" %>using System;using System.Web;using System.Web.UI.HtmlControls;using System.Runtime.Serialization;using Newtonsoft.Json;public class Handler : IHttpHandler {       public void ProcessRequest (HttpContext context) {        context.Response.ContentType = "text/plain";        context.Response.Write(ReturnResult());     }    public string ReturnResult() {        Employee employee = new Employee();        employee.EmployeeId = 1;        employee.EmployeeName = "yang";        employee.EmployeeInfo = "25,170cm,55kg".Split(',');        string jsonstr = JavaScriptConvert.SerializeObject(employee);        return jsonstr;    }    public bool IsReusable {        get {            return false;        }    }    class Employee    {        public int EmployeeId;        public string EmployeeName;        private string[] employeeInfo;        public string[] EmployeeInfo        {            get { return employeeInfo; }            set { employeeInfo = value; }        }    }}

http://blog.csdn.net/zj1103/article/details/2822215

注意：

JavaScriptConvert.SerializeObject：可以序列化对象或者集合（eg：List等）

Newtonsoft.Json的版本是

下载地址：http://download.csdn.net/detail/ze_lin_huang/5044423