<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<meta charset="utf-8" />
<style>
body {
padding-bottom: 50px;
}
.footer {
position: fixed;
left: 0px;
bottom: 0px;
width: 100%;
height: 50px;
background-color: #eee;
z-index: 9999;
}
</style>
</head>
<body>
内容，可以大量复制看效果<br />
<div class="footer">固定在底部</div>
</body>
</html>