<html>
<head>
<link rel="stylesheet" href="https://libs.baidu.com/jquerymobile/1.4.2/jquery.mobile.min.css">
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script src="https://libs.baidu.com/jquerymobile/1.4.2/jquery.mobile.min.js"></script>
</head>
<body>
<div data-role="page">
<div data-role="header">
<h1>搜索框</h1>
</div>
<div data-role="content">
<form method="post" action="demoform.asp">
<div data-role="fieldcontain">
<label for="search">搜索：</label>
<input type="search" name="search" id="search" placeholder="搜索内容...">
</div>
<input type="submit" data-inline="true" value="提交">
</form>
</div>
</div>
</body>
</html>