学习Ajax教程，详细了解Get与Post

<javascript language="javascript>
function stateevent()
{
if(xmlhttpobject.readystate == 4)
{
if(xmlhttpobject.status == 200)
{
//code
}
}
}

function createxmlhttp()
{
if(window.activexobject)
{
return new activexobject("microsoft.xmlhttp");
}
else if (window.xmlhttprequest)
{
return new xmlhttprequest();
}
}

function start()
{
var paramstring = "name=abc&sex=man&age=18";
var xmlhttpobject = createxmlhttp();
xmlhttpobject.onreadystatechange = stateevent;
xmlhttpobject.open("post","test.aspx",true);
xmlhttpobject.setrequestheader("content-type","application/x-www-form-urlencoded;"); //设置服务器响应请求体参数
xmlhttpobject.send(paramstring);
}
</script>