将CSS修改为：
<style type="text/css"> .navbar .nav > li .dropdown-menu { margin: 0; } .navbar .nav > li:hover .dropdown-menu { display: block; }</style>
实例:
<!DOCTYPE html><html><head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Bootstrap导航条鼠标悬停下拉菜单</title> <link id="bootstrap_221" rel="stylesheet" type="text/css" class="library" href="http://apps.bdimg.com/libs/bootstrap/3.3.4/css/bootstrap.min.css"> <script id="jquery_172" type="text/javascript" class="library" src="http://apps.bdimg.com/libs/jquery/1.9.1/jquery.min.js"></script> <script id="bootstrap_221" type="text/javascript" class="library" src="http://apps.bdimg.com/libs/bootstrap/3.3.4/js/bootstrap.min.js"></script> <style type="text/css"> .navbar .nav > li .dropdown-menu { margin: 0; } .navbar .nav > li:hover .dropdown-menu { display: block; } </style></head><body> <div class="container"> <div class="navbar"> <div class="navbar-inner"> <ul class="nav nav-pills"> <li class="active"><a href="#">Home</a></li> <li class="dropdown"><a href="#">SVN<span class="caret"></span></a> <ul class="dropdown-menu"> <li><a href="#">sub SVN1</a></li> <li><a href="#">sub SVN2</a></li> </ul> </li> <li><a href="#">iOS</a></li> <li><a href="#">VB.Net</a></li> <li class="dropdown"><a href="#">Java<span class="caret"></span></a> <ul class="dropdown-menu"> <li><a href="#">sub Java1</a></li> <li><a href="#">sub Java2</a></li> </ul> </li> <li><a href="#">PHP</a></li> </ul> </div> </div> </div></body></html>
posted on 2018-10-25 02:28 Ji_Cheng 阅读( ...) 评论( ...) 编辑 收藏转载于:https://www.cnblogs.com/jicheng1996/p/9847575.html
相关资源：Bootstrap 中下拉菜单修改成鼠标悬停直接显示 原创