BootStrap官网
http://www.bootcss.com
下载bootstrap源码
https://github-production-release-asset-2e65be.s3.amazonaws.com/2126244/9c5b6db6-5245-11e6-800b-b1e5008b1179?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20190408%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20190408T112201Z&X-Amz-Expires=300&X-Amz-Signature=5a1bcd0f0fe3f09bada9baea90a2413339fbe7586102e403d3608c3c51cc8bdb&X-Amz-SignedHeaders=host&actor_id=0&response-content-disposition=attachment%3B%20filename%3Dbootstrap-3.3.7-dist.zip&response-content-type=application%2Foctet-stream
下载jQuery源码
在新建的HTML里面引用BootStrap与jQuery
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
//bootstrap引用位置
<link rel="stylesheet" href="bootstrap-3.3.7-dist/css/bootstrap.css">
<link rel="stylesheet" href="bootstrap-3.3.7-dist/css/bootstrap-theme.css">
<script src="jquery3.js"></script>
<script src="bootstrap-3.3.7-dist/js/bootstrap.js"></script>
</head>
<body>
//从bootstrap官网复制过来的代码
<div class="dropdown">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
Dropdown
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
<li><a rel="nofollow" href="#">Action</a></li>
<li><a rel="nofollow" href="#">Another action</a></li>
<li><a rel="nofollow" href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a rel="nofollow" href="#">Separated link</a></li>
</ul>
</div>
</body>
</html>
展示
