jquery Pop-up layer Ajax login Instance code
JQuery (document). Ready (function () {
JQuery ('. Login_show '). Click (function () {
var xmlhttp=createxmlhttp ();
if (!xmlhttp)
{
Alert ("Your browser does not support xmlhttp!! ");
Return
}
var digital=new Date ();
digital=digital+40000;
if (Window.location.href.toLowerCase (). IndexOf ("learn/") ==-1)
{
Url= "/request.asp tutorial x?action=checklogin&k=" +digital;
}
else{
url=nowdomain+ "request.aspx?action=checklogin&k=" +digital;
}
Xmlhttp.onreadystatechange=requestdatalogincheck;
window.open (URL);
Xmlhttp.open ("Get", url,true);
Xmlhttp.send (NULL);
function Requestdatalogincheck ()
{
if (xmlhttp.readystate==4)
{
if (xmlhttp.status==200)
{
if (xmlhttp.responsetext== "1") {
JQuery (' #login_node '). AddClass (' Display ');
}
else{
Alert ("You are already logged in state, if you need to change the account login please exit!") ");
}
}
}
}
});
JQuery (' Input#l_cancel '). Click (function () {
JQuery (' #login_node '). Removeclass (' Display ');
});
});