<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- Bootstrap --> <link href="__STATIC__/插件/bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet"> <!-- HTML5 shim 和 Respond.js 是为了让 IE8 支持 HTML5 元素和媒体查询（media queries）功能 --> <!-- 警告：通过 file:// 协议（就是直接将 html 页面拖拽到浏览器中）访问页面时 Respond.js 不起作用 --> <!--[if lt IE 9]> <script src="https://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.min.js"></script> <script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script> <![endif]--> <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) --> <script src="__STATIC__/插件/jquery-3.3.1.min.js"></script> <script src="__STATIC__/插件/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script> <title>bootstrap</title> <style> </style> </head> <body> <div class="container"> <div class="row"> <div class="col-md-12"> <!-- 1，用 class="btn-group"将多个按钮打包在一个按钮组中进行管理 --> <div class="btn-group" aria-label="player control" > <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-backward"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-play"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-forward"></span></button> </div> <hr> <!-- 2,将多个按钮组 组合在一起，组成一个工具栏aria-label="player control" --> <div aria-label="player control" class="btn-toolbar"> <!-- btn-group-lg:大号按钮 --> <div class="btn-group btn-group-lg" aria-label="player control" > <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-backward"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-play"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-forward"></span></button> </div> <div class="btn-group btn-group-lg" aria-label="player control" > <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-backward"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-play"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-forward"></span></button> </div> <div class="btn-group btn-group-lg" aria-label="player control" > <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-backward"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-play"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-forward"></span></button> </div> </div> <hr> <!-- 3，将多种类型的组件，嵌套到按钮组中 --> <div aria-label="player control" class="btn-toolbar"> <div class="btn-group" aria-label="player control"> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-backward"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-play"></span></button> <button type="button" class="btn btn-info"><span class="glyphicon glyphicon-step-forward"></span></button> </div> <div class="btn-group" aria-label="player control"> <div class="dropdown"><!-- dropdowm下拉菜单 --> <!-- aria-haspopup="true":允许鼠标悬停 aria-expanded="true" ：默认为展开状态 --> <button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true" id="dropdownMenu1">新闻动态 <span class="caret"></span><!-- 倒三角符号 --> </button> <ul class="dropdown-menu" aria-labelledby="dropdownMenu1"> <li><a href="#">国内新闻</a></li> <li><a href="#">亚洲新闻</a></li> <li><a href="#">地球新闻</a></li> <li role="separator" class="divider"></li> <li class="disabled"><a href="#">公司新闻</a></li> </ul> </div> </div> </div> </div> </div> </div> </body> </html>