<!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></title>
<link href="css/bootstrap.css" rel="stylesheet">
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/style.css" rel="stylesheet">
<script src="http://cdn.bootcss.com/jquery/1.11.2/jquery.min.js"></script>
<script src="http://cdn.bootcss.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
</head>
<body>
<!-- 按钮式下拉菜单 -->
<div class="btn-group">
<button type="button" class="btn btn-primary dropwdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Choose the List<span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li><a href="#">Action</li>
<li><a href="#">Action action</li>
<li><a href="#">Action 222</li>
<li><a href="#">Action 333</li>
</ul>
</div>
<!-- 输入框组 -->
<div class="input-group input-group-sm">
<input type="text" class="form-control" placeholder="add your email" aria-describedby="example">
<span class="input-group-addon" id="example">@example.com</span>
</div>
<div class="input-group input-group-lg">
<span class="input-group-addon" id="sizing-addon1">@</span>
<input type="text" class="form-control" placeholder="Username" aria-describedby="sizing-addon1">
</div>
<div class="input-group">
<span class="input-group-addon">
<input type="checkbox" aria-label="checkbox">
</span>
<input type="text" class="form-control" aria-label="text">
</div>
<!-- 额外的按钮 -->
<div class="input-group">
<span class="input-group-btn">
<button class="btn btn-primary" type="button">Go</button>
</span>
<input type="text" class="form-control" aria-label="text">
</div>
<!-- 额外的下拉菜单 -->
<div class="input-group">
<div class="input-group-btn">
<button type="button" class="btn btn-primary dropwdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Choose the List<span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li><a href="#">Action</li>
<li><a href="#">Action action</li>
<li><a href="#">Action 222</li>
<li><a href="#">Action 333</li>
</ul>
</div>
<input type="text" class="form-control" aria-label="...">
</div>
<div class="row">
<div class="col-lg-6">
<div class="input-group">
<div class="input-group-btn">
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Action <span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div><!-- /btn-group -->
<input type="text" class="form-control" aria-label="...">
</div><!-- /input-group -->
</div><!-- /.col-lg-6 -->
<div class="col-lg-6">
<div class="input-group">
<input type="text" class="form-control" aria-label="...">
<div class="input-group-btn">
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Action <span class="caret"></span></button>
<ul class="dropdown-menu dropdown-menu-right">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div><!-- /btn-group -->
</div><!-- /input-group -->
</div><!-- /.col-lg-6 -->
</div><!-- /.row -->
</body>
</html>
