ajax post 非同步 和 Json ashx學習

來源:互聯網
上載者:User
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server">    <title></title>    <script type="text/javascript" src="js/jquery-1.4.1.min.js"></script></head><body>    <form id="form1">    <input type="text" id="txt" name="txt"/>    <input type="button" value="submit" onclick="formsubmit();" />    <div id="hu">    </div>    </form></body><script type="text/javascript">//    var url = window.location.search;//    var para = url.split('?');//    if (para.length>1) {//    paras = para[1].split('&');//    para = paras[0].split('=');//    alert(para[0].toString()+"="+para[1].toString());//    }        function formsubmit() {    $.post("Handler.ashx",{id:"1",name:"hu"},function (res) {        var para=eval(res);    $("#hu").html(para[0].id+"-"+para[0].name);    alert("complete!");    });    }    </script></html>

Handler.ashx:

<%@ WebHandler Language="C#" Class="Handler" %>using System;using System.Web;public class Handler : IHttpHandler {        public void ProcessRequest (HttpContext context) {        string id = context.Request.Form["id"];        string name = context.Request.Form["name"];        //Json形式輸出        string res = "{id:'" + id + "',name:'" + name + "'},";        res = "[" + res + "]";                context.Response.Write(res);    }     public bool IsReusable {        get {            return false;        }    }}
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