Jquery Ajax和getJSON獲取後臺普通Json數據和層級Json數據解析



    Ajax和getJSON獲取後臺普通Json數據和層級Json數據解析
    <script src="JS/jquery-1.8.0.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
            //方式一 Ajax方式獲取Json數據
            $.ajax({
                url: 'jsondata.ashx?type=1',
                type: 'GET',
                dataType: 'json',
                timeout: 1000,
                cache: false,
                beforeSend: LoadFunction, //加載執行方法  
                error: erryFunction,  //錯誤執行方法  
                success: succFunction //成功執行方法  
            })
            function LoadFunction() {
                $("#list").html('加載中...');
            }
            function erryFunction() {
                alert("error");
            }
            function succFunction(tt) {                
                var json = eval(tt); //數組   
                var tt = "";
                $.each(json, function (index) {
                    //循環獲取數據  
                    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方式獲取數據 $.getJSON( "jsondata.ashx?type=1", function (data) { //循環獲取數據 var tt = ""; $.each(data, function (k, v) { $.each(v, function (kk, vv) { tt += kk + ":" + vv + "___"; }); tt += "
"; }); $("#list2").html(tt); } ); //方式三 Ajax方式獲取Json層級數據 $.ajax({ url: 'jsondata.ashx?type=3', type: 'GET', dataType: 'json', timeout: 1000, cache: false, beforeSend: LoadFunction1, //加載執行方法 error: erryFunction1, //錯誤執行方法 success: succFunction1 //成功執行方法 }) function LoadFunction1() { $("#list3").html('加載中...'); } function erryFunction1() { alert("error"); } function succFunction1(tt) { var json = eval(tt); //數組 var tt = ""; $.each(json, function (index) { //循環獲取數據 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方式獲取層級數據 $.getJSON( "jsondata.ashx?type=3", function (json) { //循環獲取數據 var tt = ""; $.each(json, function (index) { //循環獲取數據 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


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") //普通數據
        {
            List<Dictionary> aa = new List<Dictionary>();
            for (int i = 0; i < 6; i++)
            {
                Dictionary aaa = new Dictionary();
                aaa.Add("id", "no" + i);
                aaa.Add("name", "張三" + 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") //層級數據
        {
            List list = new List();
            for (int i = 0; i < 6; i++)
            {
                Student a = new Student();
                a.id = "no" + i;
                a.name = "張三" + i;
                a.age = "21";
                
                Dictionary dic = new Dictionary();
                dic.Add("語文","80");
                dic.Add("數學", "81");
                dic.Add("英語", "83");
                dic.Add("生物", "89");
                dic.Add("化學", "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;
        }
    }
}

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