下拉菜單不顯示
<!DOCTYPE html>
<html>
<head>
??? <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
?? ?<title>導(dǎo)航基礎(chǔ)樣式</title>
?? ?<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
?? ?<link rel="stylesheet" type="text/css" href="css/style2.css">
</head>
<body>
?<ul class="nav nav-tabs">
??? ?<li><a href="##">Home</a></li>
??? ?<li><a href="##">Css3</a></li>
??? ?<li><a href="##">Sass</a></li>
??? ?<li><a href="##">jQuery</a></li>
??? ?<li><a href="##">Responsive</a></li>
?</ul>
?<ul class="nav nav-tabs nav-justified">
??? ?<li class="active"><a href="##">Home</a></li>
??? ?<li><a href="##">Css3</a></li>
??? ?<li><a href="##">Sass</a></li>
??? ?<li><a href="##">jQuery</a></li>
??? ?<li><a href="##">Responsive</a></li>
?</ul>
?<ul class="nav nav-pills nav-stacked">
??? ?<li class="active"><a href="##">Home</a></li>
??? ?<li><a href="##">Css3</a></li>
??? ?<li><a href="##">Sass</a></li>
??? ?<li><a href="##">jQuery</a></li>
??? ?<li><a href="##">Responsive</a></li>
?</ul>
?<ul class="nav nav-pills">
??? ?<li class="active"><a href="##">首頁</a></li>
??? ?<li class="dropdown">
??? ??? ?<a class="dropdown-toggle" data-toggle="dropdown">教程
??? ??? ???? <span class="caret"></span>
??? ??? ?</a>
??? ??? ?<ul class="dropdown-menu">
??? ??? ???? <li><a href="##">Css3</a></li>
??? ??? ???? <li><a href="##">Sass</a></li>
??? ??? ???? <li><a href="##">jQuery</a></li>
??? ??? ???? <li><a href="##">Responsive</a></li>
??? ??? </ul>
??? ?</li>
??? ?<li><a href="##">關(guān)于我們</a></li>
?</ul>
?<ul class="nav nav-pills">
? <li class="active"><a href="##">首頁</a></li>
? <li class="dropdown">
????? <a href="##" class="dropdown-toggle" data-toggle="dropdown">教程<span class="caret"></span></a>
????? <ul class="dropdown-menu">
????????? <li><a href="##">CSS3</a></li>
??????? <li><a href="##">Sass</a></li>
??????? <li><a href="##">jQuery</a></li>
??????? <li><a href="##">Responsive</a></li>
????? </ul>
? </li>
?<li><a href="##">關(guān)于我們</a></li>
</ul>
?<script type="text/javascript" src="js/jquery-3.1.1.js"></script>
?<script type="text/javascript" src="js/bootstrap.min.css"></script>
</body>
</html>
2017-02-17
呃,你看下你引入的bootstrap那里
后綴css改成js試試。。。