将对象转换为json格式字符串：
private JavaScriptSerializer serializer = new JavaScriptSerializer();
protected void Page_Load(object sender, EventArgs e)
{
Books book = new Books();
book.BookId = ;
book.BookName = "书籍1";
book.BookCount = ;
string jsonStr = serializer.Serialize(book);
//jsonStr结果:{"BookId":1,"BookName":"书籍1","BookCount":999}
}
Aspx前台页面，jQuery发送Ajax请求：
function loadrecomticket() {
jQuery.post(
"/Ajax/TicketBoxAsx.ashx",
{
ajaxMethod: "getrecomticket",
random: Math.random()
},
function(data) {
if (data.result) { //面向对象思想：把返回的对象data，直接data.result，类似对象.属性名
$("#M1_LeftCount").html(data.list[0].leftCount);
$("#M1_GetCount").html(data.list[0].GetCount);
$("#M_UsedCount").html(data.list[0].UsedCount);
$("#M2_LeftCount").html(data.list[1].LeftCount);
$("#M2_GetCount").html(data.list[1].GetCount);
$("#M2_UsedCount0").html(data.list[1].UsedCount);
$("#M3_LeftCount").html(data.list[2].LeftCount);
$("#M3_Getcount").html(data.list[2].GetCount);
$("#M3_UsedCount").html(data.list[2].UsedCount);
}
},
"json");
}
一般处理程序接收参数并处理请求，返回json格式数据：
namespace Test.Ajax
{
/// <summary>
/// $codebehindclassname$ 的摘要说明
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class TicketBoxAsx : BaseCommon, IHttpHandler
{
private Business.RecomTicket recomTicket = new Business.RecomTicket(); public void ProcessRequest(HttpContext context)
{
if (this.UserId > )
{
if (!string.IsNullOrEmpty(context.Request["ajaxMethod"]))
{
context.Response.ContentType = "text/plain";
string ajaxMethod = context.Request["ajaxMethod"].ToLower();
switch (ajaxMethod)
{
case "getrecomticket":
GetRecomTicket(context);
break;
}
}
}
else
{
Utility.ResponseWriteEnd(this.ProcessResponseText("({result:0,error:'请先登录！'})"));
}
} public bool IsReusable
{
get
{
return false;
}
} private void GetRecomTicket(HttpContext context)
{
TicketBoxInfo M1 = new TicketBoxInfo(); //创建3个对象
TicketBoxInfo M2 = new TicketBoxInfo();
TicketBoxInfo M3 = new TicketBoxInfo();
BusinessResult<RecomTicketInfo> info = this.recomTicket.GetUserVoteTicket(this.UserId);
if (info.IsSuccess)
{
RecomTicketInfo recomTicketInfo = info.ReturnObject;
//为3个对象属性赋值
M1.leftCount = Math.Max(recomTicketInfo.MaxRecomTicket - recomTicketInfo.TodayUsedRecomTicket, );
M1.MGetCount = recomTicketInfo.MaxRecomTicket;
M1.UsedCount = recomTicketInfo.TodayUsedRecomTicket;
M2.leftCount = Math.Max(recomTicketInfo.MaxRecomTicket - recomTicketInfo.TodayMMUsedRecomTicket, );
M2.MGetCount = recomTicketInfo.MaxRecomTicket;
M2.UsedCount = recomTicketInfo.TodayMMUsedRecomTicket;
M3.leftCount = Math.Max(recomTicketInfo.MaxRecomTicket - recomTicketInfo.TodayWXUsedRecomTicket, );
M3.MGetCount = recomTicketInfo.MaxRecomTicket;
M3.UsedCount = recomTicketInfo.TodayWXUsedRecomTicket; }
JavaScriptSerializer js = new JavaScriptSerializer(); //命名空间：using System.Web.Script.Serialization;
Utility.ResponseWriteEnd(this.ProcessResponseText("({result:1, list:[" + js.Serialize(M1) + "," + js.Serialize(M2) + "," + js.Serialize(M3) + "]})"));
} }
}
备注：
JSON格式：
普通形式：
{ "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" } 数组形式：
.单元素：
{
"people": [
{ "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" },
{ "firstName": "Jason", "lastName":"Hunter", "email": "bbbb"},
{ "firstName": "Elliotte", "lastName":"Harold", "email": "cccc" }
]
} .多元素：
{ "programmers": [
{ "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" },
{ "firstName": "Jason", "lastName":"Hunter", "email": "bbbb" },
{ "firstName": "Elliotte", "lastName":"Harold", "email": "cccc" }
],
"authors": [
{ "firstName": "Isaac", "lastName": "Asimov", "genre": "science fiction" },
{ "firstName": "Tad", "lastName": "Williams", "genre": "fantasy" },
{ "firstName": "Frank", "lastName": "Peretti", "genre": "christian fiction" }
],
"musicians": [
{ "firstName": "Eric", "lastName": "Clapton", "instrument": "guitar" },
{ "firstName": "Sergei", "lastName": "Rachmaninoff", "instrument": "piano" }
] } 格式应用
掌握了 JSON 格式之后，在 JavaScript 中使用它就很简单了。JSON 是 JavaScript 原生格式，这意味着在 JavaScript 中处理 JSON 数据不需要任何特殊的 API 或工具包。
赋值给变量
例如，可以创建一个新的 JavaScript 变量，然后将 JSON 格式的数据字符串直接赋值给它： var people = { "programmers": [ { "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" },
{ "firstName": "Jason", "lastName":"Hunter", "email": "bbbb" },
{ "firstName": "Elliotte", "lastName":"Harold", "email": "cccc" }
],
"authors": [
{ "firstName": "Isaac", "lastName": "Asimov", "genre": "science fiction" },
{ "firstName": "Tad", "lastName": "Williams", "genre": "fantasy" },
{ "firstName": "Frank", "lastName": "Peretti", "genre": "christian fiction" }
],
"musicians": [
{ "firstName": "Eric", "lastName": "Clapton", "instrument": "guitar" },
{ "firstName": "Sergei", "lastName": "Rachmaninoff", "instrument": "piano" }
数据访问：
people.authors[].genre // Value is "fantasy" 下标从0开始
people.musicians[].lastName // Undefined. This refers to the fourth entry, and there isn't one
people.programmers[].firstName // Value is "Elliotte"
博文推荐：C# JSON字符串序列化与反序列化
格式应用
掌握了 JSON 格式之后，在 JavaScript 中使用它就很简单了。JSON 是 JavaScript 原生格式，这意味着在 JavaScript 中处理 JSON 数据不需要任何特殊的 API 或工具包。
赋值给变量
例如，可以创建一个新的 JavaScript 变量，然后将 JSON 格式的数据字符串直接赋值给它：
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var people = { "programmers": [ { "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" },{ "firstName": "Jason", "lastName":"Hunter", "email": "bbbb" },{ "firstName": "Elliotte", "lastName":"Harold", "email": "cccc" }],"authors": [{ "firstName": "Isaac", "lastName": "Asimov", "genre": "science fiction" },{ "firstName": "Tad", "lastName": "Williams", "genre": "fantasy" },{ "firstName": "Frank", "lastName": "Peretti", "genre": "christian fiction" }],"musicians": [{ "firstName": "Eric", "lastName": "Clapton", "instrument": "guitar" },{ "firstName": "Sergei", "lastName": "Rachmaninoff", "instrument": "piano" } |