dw cs6 ajax 异步连接测试


 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 2 <html xmlns="http://www.w3.org/1999/xhtml">
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title>异步服务器连接</title>
 6 
 7 <script language="javascript">
 8 var xmlhttp;
 9 function createXMLHttpRequest(){
10     if(window.ActiveXObject)
11        xmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
12      else if(window.XMLHttpRequest)
13      xmlhttp = new XMLHttpRequest();
14 }
15 
16 function test(){
17     createXMLHttpRequest();
18     xmlhttp.open('GET','10.1.aspx',true);
19     
20     xmlhttp.onreadystatechange = function HandleStateChang(){
21     if(xmlhttp.readyState==4&& xmlhttp.status==200)
22         alert('服务器返回的结果为' + xmlhttp.responseText);
23         }
24     xmlhttp.send(null);
25 }
26 </script>
27 </head>
28 
29 <body>
30 <input type="button" value="测试是否连接成功" onClick="test()" />
31 </body>
32 </html>

服务器代码采用.aspx文件

代码如下：

1 <%@ Page Language="C#" ContentType="text/html" ResponseEncoding="utf-8" %>
2 <%@Import Namespace="System.Data"%>
3 <%
4   Response.Write("连接成功");
5 %>;