Bootstrap 按钮下拉菜单
按钮下拉菜单
我们还可以创建下拉按钮，以从一个按钮有多个操作。
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap-theme.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
<style type="text/css">
.bs-example{<!--from www.w3cschool.cn-->
margin: 20px;
}
</style>
</head>
<body>
<div class="bs-example">
<form>
<div class="row">
<div class="col-xs-6">
<div class="input-group">
<div class="input-group-btn">
<button type="button"
class="btn btn-default dropdown-toggle"
data-toggle="dropdown">Action <span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
<input type="text" class="form-control">
</div>
</div>
<div class="col-xs-6">
<div class="input-group">
<input type="text" class="form-control">
<div class="input-group-btn">
<button type="button"
class="btn btn-default dropdown-toggle"
data-toggle="dropdown">Action <span class="caret"></span></button>
<ul class="dropdown-menu pull-right">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
</div>
</div>
</div>
</form>
<hr>
<form>
<div class="input-group">
<div class="input-group-btn">
<button type="button"
class="btn btn-default dropdown-toggle"
data-toggle="dropdown">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 class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
<input type="text" class="form-control">
</div>
<br>
<div class="input-group">
<input type="text" class="form-control">
<div class="input-group-btn">
<button type="button"
class="btn btn-default dropdown-toggle"
data-toggle="dropdown">Action <span class="caret"></span></button>
<ul class="dropdown-menu pull-right">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
</div>
</form>
</div>
</body>
</html>分段下拉按钮组
除了其他按钮之外，我们可以定义放置下拉按钮的分段下拉按钮组。
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap-theme.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
<style type="text/css">
.bs-example{<!--from www.w3cschool.cn-->
margin: 20px;
}
</style>
</head>
<body>
<div class="bs-example">
<form>
<div class="row">
<div class="col-xs-6">
<div class="input-group">
<div class="input-group-btn">
<button tabindex="-1"
class="btn btn-default"
type="button">Action</button>
<button tabindex="-1"
data-toggle="dropdown"
class="btn btn-default dropdown-toggle" type="button">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
<input type="text" class="form-control">
</div>
</div>
<div class="col-xs-6">
<div class="input-group">
<input type="text" class="form-control">
<div class="input-group-btn">
<button tabindex="-1" class="btn btn-default" type="button">Action</button>
<button tabindex="-1"
data-toggle="dropdown"
class="btn btn-default dropdown-toggle" type="button">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
<ul class="dropdown-menu pull-right">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
</div>
</div>
</div>
</form>
<hr>
<form>
<div class="input-group">
<div class="input-group-btn">
<button tabindex="-1" class="btn btn-default" type="button">Action</button>
<button tabindex="-1" data-toggle="dropdown"
class="btn btn-default dropdown-toggle" type="button">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
<input type="text" class="form-control">
</div>
<br>
<div class="input-group">
<input type="text" class="form-control">
<div class="input-group-btn">
<button tabindex="-1" class="btn btn-default" type="button">Action</button>
<button tabindex="-1" data-toggle="dropdown"
class="btn btn-default dropdown-toggle" type="button">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
<ul class="dropdown-menu pull-right">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
</div>
</form>
</div>
</body>
</html>