JqueryAjax和getJSON获取后台普通Json数据和层级Json数据解析

        <script src="JS/jquery-1.8.0.min.js" type="text/javascript">《script》    <script type="text/javascript">        $(function () {            //方式一 Ajax方式获取Json数据            $.ajax({                url: 'jsondata.ashx?type=1',                type: 'GET',                dataType: 'json',                timeout: 1000,                cache: false,                beforeSend: LoadFunction, //加载执行方法                  error: erryFunction,  //错误执行方法                  success: succFunction //成功执行方法              })            function LoadFunction() {                $("#list").html('加载中...');            }            function erryFunction() {                alert("error");            }            function succFunction(tt) {                                var json = eval(tt); //数组                   var tt = "";                $.each(json, function (index) {                    //循环获取数据                      var Id = json[index].id;                    var Name = json[index].name;                    var Age = json[index].age;                    var Score = json[index].score;                    tt += Id + "___" + Name + "___" + Age + "___" + Score + "
";                });                $("#list").html('');                $("#list").html(tt);            }            //方式二 Json方式获取数据            $.getJSON(                "jsondata.ashx?type=1",                function (data) {                    //循环获取数据                      var tt = "";                    $.each(data, function (k, v) {                        $.each(v, function (kk, vv) {                            tt += kk + ":" + vv + "___";                        });                        tt += "
";                    });                    $("#list2").html(tt);                }            );            //方式三 Ajax方式获取Json层级数据            $.ajax({                url: 'jsondata.ashx?type=3',                type: 'GET',                dataType: 'json',                timeout: 1000,                cache: false,                beforeSend: LoadFunction1, //加载执行方法                  error: erryFunction1,  //错误执行方法                  success: succFunction1 //成功执行方法              })            function LoadFunction1() {                $("#list3").html('加载中...');            }            function erryFunction1() {                alert("error");            }            function succFunction1(tt) {                var json = eval(tt); //数组                   var tt = "";                $.each(json, function (index) {                    //循环获取数据                      var Id = json[index].id;                    var Name = json[index].name;                    var Age = json[index].age;                    var Score = json[index].score;                    tt += Id + "___" + Name + "___" + Age + "___";                    $.each(Score, function (k, v) {                        tt += k + ":" + v + "___";                    })                    tt += "
";                });                $("#list3").html('');                $("#list3").html(tt);            }            //方式四 Json方式获取层级数据            $.getJSON(                "jsondata.ashx?type=3",                function (json) {                    //循环获取数据                      var tt = "";                    $.each(json, function (index) {                        //循环获取数据                          var Id = json[index].id;                        var Name = json[index].name;                        var Age = json[index].age;                        var Score = json[index].score;                        tt += Id + "___" + Name + "___" + Age + "___";                        $.each(Score, function (k, v) {                            tt += k + ":" + v + "___";                        })                        tt += "
";                    });                    $("#list4").html('');                    $("#list4").html(tt);                }            );        });    《script》    
方式一
    
    
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方式二
    
    
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方式三
    
    
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方式四
    
    

<%@ WebHandler Language="C#" Class="jsondata" %>using System;using System.Web;using System.Web.Script.Serialization;using System.IO;using System.Text;using System.Collections;using System.Collections.Generic;using System.Data;using Newtonsoft.Json;public class jsondata : IHttpHandler {    public void ProcessRequest(HttpContext context)    {        context.Response.ContentType = "text/plain";        context.Response.Cache.SetNoStore();        string type = context.Request["type"];        if (type=="1") //普通数据        {            List> aa = new List>();            for (int i = 0; i < 6; i++)            {                Dictionary aaa = new Dictionary();                aaa.Add("id", "no" + i);                aaa.Add("name", "张三" + i);                aaa.Add("age", "21");                aaa.Add("score", "1001");                aa.Add(aaa);            }            string json = JsonConvert.SerializeObject(aa, Formatting.Indented);            context.Response.Write(json);        }        if (type == "3") //层级数据        {            List list = new List();            for (int i = 0; i < 6; i++)            {                Student a = new Student();                a.id = "no" + i;                a.name = "张三" + i;                a.age = "21";                                Dictionary dic = new Dictionary();                dic.Add("语文","80");                dic.Add("数学", "81");                dic.Add("英语", "83");                dic.Add("生物", "89");                dic.Add("化学", "90");                dic.Add("物理", "95");                a.score = dic;                list.Add(a);            }            string json = JsonConvert.SerializeObject(list, Formatting.Indented);            context.Response.Write(json);        }            }    public struct Student    {        public string id;        public string name;        public string age;        public Dictionary score;    }    public bool IsReusable    {        get        {            return false;        }    }}