$(document).ready(function(){
$("#form").submit(function(){
login();
return false;
});
});
function login()
{
var user = $("#username").val();
var pass = $("#password").val();
if (user == "")
{
$("#msg").text(" ");
$("#user").focus();
return false;
}
if(pass == "")
{
$("#msg").text(" ");
$("#pass").focus();
return false;
}
$.ajax({
type: "POST",
url: "test.php",
data: "username=" + user + "&password=" + pass,
beforeSend: function(){
$("#msg").text(" , ......");
},
success: function(msg){
if(msg == "success"){
$("#msg").text(" , " + user + " ! ......");
}else {
$("#msg").text(" !");
}
}
});
}
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/ajax_login.js"></script>
<div id="login">
<form method="post" action="" id="form" name="form">
<ul>
<li> :<input type="text" name="username" id="username" size="30" maxlength="200"></li>
<li> :<input type="password" name="password" id="password" size="30" maxlength="200"></li>
<li>
<input type="submit" style="border:0" value="submit" /> <INPUT TYPE="reset" value="resite" style="border:0">
</li>
<li id="msg"></li>
</ul>
</form>
</div>