<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="ASP/EasyUI/jquery.min.js"></script>
<title></title>
<style>
#btnLogin {
width: 200px;
padding: 8px;
background-color: #428bca;
border-color: #357ebd;
color: #fff;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
-khtml-border-radius: 10px;
text-align: center;
vertical-align: middle;
border: 1px solid transparent;
font-weight: 900;
font-size: 125%;
}
</style>
<script>
function myclick() {
$('#btnLogin').css("background-image", "url(loading.gif)");
$('#btnLogin').css("background-size", "40px 40px");
$('#btnLogin').css("background-repeat", "no-repeat");
$('#btnLogin').css("background-position", "center");
}
function dd() {
$('#btnLogin').css("background-image", "");
}
</script>
</head>
<body>
<button id="btnLogin" onclick="myclick()">LOGIN</button>
<button onclick="dd()">取消</button>
</body>
</html>
效果图