<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<!--支持移动设备优先-->
<meta name="viewport" content="width=device-width, initial-scale=1">
<!--引入css文件-->
<link rel="stylesheet" href="bootstrap/css/bootstrap.css">
<!--引入bootstrap.js之前一定要先引入jQuery.js文件-->
<script type="text/javascript" src="bootstrap/js/jquery.min.js"></script>
<script type="text/javascript" src="bootstrap/js/bootstrap.js"></script>
</head>
<body>
<div class="container">
<form action="" class="form-horizontal">
<!--栅格系统 是由行和列组成的 class="form-group"表示列-->
<div class="form-group">
<label for="user" class="col-md-2 control-label">用户名</label>
<div class="col-md-4">
<input type="text" class="form-control" id="user" placeholder="用户名">
</div>
</div>
<div class="form-group">
<label for="pass" class="col-md-2 control-label">密码</label>
<div class="col-md-4">
<input type="text" class="form-control" id="pass" placeholder="密码">
</div>
</div>
<div class="form-group">
<div class="col-md-4 col-md-offset-2">
<div class="radio">
<label>
<input type="checkbox"> 记住密码
</label>
</div>
</div>
</div>
<div class="form-group">
<div class="col-md-4 col-md-offset-2">
<button type="submit" class="btn btn-success">提交</button>
</div>
</div>
</form>
</div>
</body>
</html>
