为什么老师的原代码在我自己的Dreamweaver上运行不了，就算把jquery,bootstrap的引用前面加上http://也不行
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>现代浏览器博物馆</title>
<link href="css/bootstrap.min.css" rel="stylesheet">
<!--[if lt IE 9]>
<script src="js/html5shiv.js"></script>
<script src="js/respond.min.js"></script>
<![endif]-->
<style>
body {
padding-top: 50px;
padding-bottom: 40px;
color: #5a5a5a;
}
/* 轮播广告 */
.carousel {
height: 500px;
margin-bottom: 60px;
}
.carousel .item {
height: 500px;
background-color: #000;
}
.carousel .item img {
width: 100%;
}
.carousel-caption {
z-index: 10;
}
.carousel-caption p {
margin-bottom: 20px;
font-size: 20px;
line-height: 1.8;
}
/* 简介 */
.summary {
padding-right: 15px;
padding-left: 15px;
}
.summary .col-md-4 {
margin-bottom: 20px;
text-align: center;
}
/* 特性 */
.feature-divider {
margin: 40px 0;
}
.feature {
padding: 30px 0;
}
.feature-heading {
font-size: 50px;
color: #2a6496;
}
.feature-heading .text-muted {
font-size: 28px;
}
/* 响应式布局 */
@media (max-width: 768px) {
.summary {
padding-right: 3px;
padding-left: 3px;
}
.carousel {
height: 300px;
margin-bottom: 30px;
}
.carousel .item {
height: 300px;
}
.carousel img {
min-height: 300px;
}
.carousel-caption p {
font-size: 16px;
line-height: 1.4;
}
.feature-heading {
font-size: 34px;
}
.feature-heading .text-muted {
font-size: 22px;
}
}
@media (min-width: 992px) {
.feature-heading {
margin-top: 120px;
}
}
</style>
</head>
<body>
<!-- 顶部导航 -->
<div class="navbar navbar-inverse navbar-fixed-top" role="navigation" id="menu-nav">
<div>
<div>
<button type="button" data-toggle="collapse" data-target=".navbar-collapse">
<span>切换导航</span>
<span></span>
<span></span>
<span></span>
</button>
<a href="#">现代浏览器博物馆</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li><a href="#ad-carousel">综述</a></li>
<li><a href="#summary-container">简述</a></li>
<li>
<a href="#" data-toggle="dropdown">特点 <span></span></a>
<ul role="menu">
<li><a href="#feature-tab" data-tab="tab-chrome">Chrome</a></li>
<li><a href="#feature-tab" data-tab="tab-firefox">Firefox</a></li>
<li><a href="#feature-tab" data-tab="tab-safari">Safari</a></li>
<li><a href="#feature-tab" data-tab="tab-opera">Opera</a></li>
<li><a href="#feature-tab" data-tab="tab-ie">IE</a></li>
</ul>
</li>
<li><a href="#" data-toggle="modal" data-target="#about-modal">关于</a></li>
</ul>
</div>
</div>
</div>
<!-- 广告轮播 -->
<div id="ad-carousel" class="carousel slide" data-ride="carousel">
<ol>
<li data-target="#ad-carousel" data-slide-to="0"></li>
<li data-target="#ad-carousel" data-slide-to="1"></li>
<li data-target="#ad-carousel" data-slide-to="2"></li>
<li data-target="#ad-carousel" data-slide-to="3"></li>
<li data-target="#ad-carousel" data-slide-to="4"></li>
</ol>
<div>
<div class="item active">
<img src="images/chrome-big.jpg" alt="1 slide">
<div>
<div>
<h1>Chrome</h1>
<p>Google Chrome，又称Google浏览器，是一个由Google（谷歌）公司开发的网页浏览器。</p>
<p><a class="btn btn-lg btn-primary" href="http://www.google.cn/intl/zh-CN/chrome/browser/"
role="button" target="_blank">点我下载</a></p>
</div>
</div>
</div>
<div>
<img src="images/firefox-big.jpg" alt="2 slide">
<div>
<div>
<h1>Firefox</h1>
<p>Mozilla Firefox，中文名通常称为“火狐”或“火狐浏览器”，是一个开源网页浏览器。</p>
<p><a class="btn btn-lg btn-primary" href="http://www.firefox.com.cn/download/" target="_blank"
role="button">点我下载</a></p>
</div>
</div>
</div>
<div>
<img src="images/safari-big.jpg" alt="3 slide">
<div>
<div>
<h1>Safari</h1>
<p>Safari，是苹果计算机的最新操作系统Mac OS X中的浏览器。</p>
<p><a class="btn btn-lg btn-primary" href="http://www.apple.com/cn/safari/" target="_blank"
role="button">点我下载</a></p>
</div>
</div>
</div>
<div>
<img src="images/opera-big.jpg" alt="4 slide">
<div>
<div>
<h1>Opera</h1>
<p>Opera浏览器，是一款挪威Opera Software ASA公司制作的支持多页面标签式浏览的网络浏览器。</p>
<p><a class="btn btn-lg btn-primary" href="http://www.opera.com/zh-cn" target="_blank"
role="button">点我下载</a></p>
</div>
</div>
</div>
<div>
<img src="images/ie-big.jpg" alt="5 slide">
<div>
<div>
<h1>IE</h1>
<p>Internet Explorer，简称 IE，是微软公司推出的一款网页浏览器。</p>
<p><a class="btn btn-lg btn-primary" href="http://ie.microsoft.com/" target="_blank"
role="button">点我下载</a></p>
</div>
</div>
</div>
</div>
<a class="left carousel-control" href="#ad-carousel" data-slide="prev"><span
class="glyphicon glyphicon-chevron-left"></span></a>
<a class="right carousel-control" href="#ad-carousel" data-slide="next"><span
class="glyphicon glyphicon-chevron-right"></span></a>
</div>
<!-- 关于 -->
<div class="modal fade" id="about-modal" tabindex="-1" role="dialog" aria-labelledby="modal-label"
aria-hidden="true">
<div>
<div>
<div>
<button type="button" data-dismiss="modal"><span
aria-hidden="true">×</span><span>关闭</span></button>
<h4 id="modal-label">关于</h4>
</div>
<div>
<p>慕课网隶属于北京慕课科技中心(有限合伙)，是一家从事互联网免费教学的网络教育公司。秉承“开拓、创新、公平、分享”的精神，
将互联网特性全面的应用在教育领域，致力于为教育机构及求学者打造一站式互动在线教育品牌。</p>
</div>
<div>
<button type="button" class="btn btn-default" data-dismiss="modal">了解了</button>
</div>
</div>
</div>
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</footer>
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<script src="js/jquery-1.11.1.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script>
$(function () {
$('#ad-carousel').carousel();
$('#menu-nav .navbar-collapse a').click(function (e) {
var href = $(this).attr('href');
var tabId = $(this).attr('data-tab');
if ('#' !== href) {
e.preventDefault();
$(document).scrollTop($(href).offset().top - 70);
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