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【DEMO】ASP&AJAX实现RSS阅读器

AjaxASPASP.netMicrosoftJavaScript 
阅读更多
<%@
language="vbscript"
%>
<%

dim xmlobj

dim xmldoc

set xmlobj = server.CreateObject("Microsoft.XMLHTTP")
xmlobj.open "GET","http://www.lingjie.net/blog/atom.xml",false
xmlobj.send

set xmldoc = server.CreateObject("Microsoft.XMLDOM")

xmldoc.loadXML(xmlobj.responsetext)


if
not isnull(xmldoc) then
xmldoc.save(server.MapPath("/ajax/blog.xml"))


%>
<html>

<head>


<script
language="javascript"
type="text/javascript">

window.onload = function()
{
xHttp2.open("GET","blog.xml",true);
xHttp2.onreadystatechange = writeupblog;
xHttp2.send(null);
}

function getXMLHTTPRequest()
{

var xRequest = null;

if (window.ActiveXObject)
{
xRequest = new ActiveXObject("Microsoft.XMLHTTP");
}

else
if (window.XMLHttpRequest)
{
xRequest= new XMLHttpRequest();
}



return xRequest;
}

var xHttp2 = getXMLHTTPRequest();

function writeupblog()
{

switch(xHttp2.readyState)
{
 case 1:

// var divname = document.getElementById("blogtitle");

// var text = document.createTextNode("正在加载……");


// divname.appendChild(text);

// //divname.innerHTML = text;
break;
case 4:
loadblog();
break;
}
}

function loadblog()
{

var xDoc = xHttp2.responseXML;

//debugger;

if(xDoc)
{

var items = xDoc.getElementsByTagName("entry");

var divname = document.getElementById("blogtitle");

var link = document.createElement("a");

var item = items[0];
link.href = "http://www.lingjie.net/blog/";

var text = document.createTextNode(item.getElementsByTagName("title")[0].firstChild.nodeValue);
link.appendChild(text);

//debugger;


if(divname.hasChildNodes())
{
setTimeout("",5000);

//divname.removeChild(divname.childNodes[0]);
divname.innerHTML = "";
}


divname.appendChild(link);
}
}



</script>


</head>


<body><div
id="blogtitle">正在加载……</div></body>

</html>

<%
else
%>
<html>

no blog...
</html>

<%
end
if
%>
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