<!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</title>
<script src="jquery-latest.pack.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
//设置指示器
$('#divIndicator').ajaxStart(function(){$(this).show()})
.ajaxSuccess(function(){$(this).hide()})
.ajaxError(function(msg){$(this).hide();alert(msg);});
//ajax get 请求
$('#btnGetCubeInGet').click(function(){
var number = $('#txtNumber').val();
$.get('ajaxServer.ashx?number='+number,function(result){
alert(result);
});
});
//ajax post 提交
$('#btnGetCubeInPost').click(function(){
var number = $('#txtNumber').val();
$.post('ajaxServer.ashx',{'number':number},function(re){
alert(re);
});
});
});
</script>
<style type="text/css">
.indicator
{
color: #FF0000;
position: absolute;
top: 0px;
right: 0px;
display: none;
}
</style>
</head>
<body>
<div id="divIndicator" class="indicator">
<img src="about_img.gif" />loading</div>
plz input a number:<input id="txtNumber" />
<input type="button" id="btnGetCubeInGet" value="Get cube(get)" />
<input type="button" id="btnGetCubeInPost" value="Get cube(post)" />
</body>
</html>
所调请求的页面内容是:
<%@ WebHandler Language="C#" Class="ajaxServer" %>
using System;
using System.Web;
public class ajaxServer : IHttpHandler {
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
int number = 0;
int.TryParse(context.Request.Params["number"], out number);
context.Response.StatusCode = 200;
context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
context.Response.Write(string.Format("{0} cubed is {1}", number, Math.Pow(number, 3)));
}
public bool IsReusable {
get {
return false;
}
}
}