<!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>Ajax和getJSON获取后台普通Json数据和层级Json数据解析</title>
    <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 + "<br>";
                });
                $("#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 += "<br/>";
                    });
                    $("#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 += "<br/>";
                });
                $("#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 += "<br/>";
                    });
                    $("#list4").html('');
                    $("#list4").html(tt);
                }
            );
        });
    </script>
</head>
<body>
    <p>方式一</p>
    <ul id="list">
    </ul>
    ____________________________________
    <p>方式二</p>
    <ul id="list2">
    </ul>
    ____________________________________
    <p>方式三</p>
    <ul id="list3">
    </ul>
    ____________________________________
    <p>方式四</p>
    <ul id="list4">
    </ul>
</body>
</html>

<%@ 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<Dictionary<String, String>> aa = new List<Dictionary<string, string>>();
            for (int i = 0; i < 6; i++)
            {
                Dictionary<String, String> aaa = new Dictionary<string, string>();
                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<Student> list = new List<Student>();
            for (int i = 0; i < 6; i++)
            {
                Student a = new Student();
                a.id = "no" + i;
                a.name = "张三" + i;
                a.age = "21";
                
                Dictionary<string, string> dic = new Dictionary<string, string>();
                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<string,string> score;
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }
}



本文转载:CSDN博客