input-group.html

<!DOCTYPE html>
<html lang="zh-CN">

	<head>
		<meta charset="utf-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
		<title>input-group</title>

		<!-- Bootstrap -->
		<link href="css/bootstrap.min.css" rel="stylesheet">
		

	</head>

	<body>
		<div class="input-group">
			<!--显示在左侧-->
			<span class="input-group-addon">E-mail</span>
			<input type="text" class="form-control" placeholder="username"/>
			<!--显示在右侧-->
			<span class="input-group-addon">@qq.com</span>
		</div>
		
		<br />
		
		<div class="input-group input-group-lg">
			<span class="input-group-addon">E-mail</span>
			<input type="text" class="form-control" placeholder="username"/>
			<span class="input-group-addon">@qq.com</span>
		</div>
		

		<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
		<script src="js/jquery-2.1.4.js"></script>
		<!-- Include all compiled plugins (below), or include individual files as needed -->
		<script src="js/bootstrap.min.js"></script>
	</body>

</html>