如何在 Bootstrap 中使用 Scrollspy 插件


滚动侦查器(自动更新导航)插件允许你根据滚动位置定位页面的一部分。

在它的基本实现中,当你滚动时,你可以根据

滚动位置向导航栏添加 .active 类。

你可以尝试运行以下代码在 Bootstrap 中实现滚动侦查器插件 −

示例

现场演示

<!DOCTYPE html>
<html>
   <head>
      <title>Bootstrap Example</title>
      <link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
      <script src = "/scripts/jquery.min.js"></script>
      <script src = "/bootstrap/js/bootstrap.min.js"></script>
   </head>
   <body>
      <nav id = "navbar-example" class = "navbar navbar-default navbar-static" role = "navigation">
         <div class = "navbar-header">
            <button class = "navbar-toggle" type = "button" data-toggle = "collapse" data-target = ".bs-js-navbar-scrollspy">
               <span class = "sr-only">Toggle navigation</span>
               <span class = "icon-bar"></span>
               <span class = "icon-bar"></span>
               <span class = "icon-bar"></span>
            </button>
            <a class = "navbar-brand" href = "#">Tutorial Name</a>
         </div>
         
         <div class = "collapse navbar-collapse bs-js-navbar-scrollspy">
            <ul class = "nav navbar-nav">
               <li><a href = "#ios">iOS</a></li>
               <li><a href = "#svn">SVN</a></li>
               <li class = "dropdown">
                  <a href = "#" id = "navbarDrop1" class = "dropdown-toggle" data-toggle = "dropdown">
                     Java
                     <b class = "caret"></b>
                  </a>
                  <ul class = "dropdown-menu" role = "menu" aria-labelledby = "navbarDrop1">
                     <li><a href = "#jmeter" tabindex = "-1">jmeter</a></li>
                     <li><a href = "#ejb" tabindex = "-1">ejb</a></li>
                  </ul>
               </li>
            </ul>
         </div>
      </nav>
         
      <div data-spy = "scroll" data-target = "#navbar-example" data-offset = "0"
         style = "height:200px; overflow:auto; position: relative;">
         <h4 id = "ios">iOS</h4>
         <p>iOS is a mobile operating system developed and distributed by Apple
            Inc. Originally released in 2007 for the iPhone, iPod Touch, and Apple
            TV. iOS is derived from OS X, with which it shares the Darwin
            foundation. iOS is Apple's mobile version of the OS X operating system
            used on Apple computers.</p>

         <h4 id = "svn">SVN</h4>
         <p>Apache Subversion which is often abbreviated as SVN, is a software
            versioning and revision control system distributed under an open source
            license. Subversion was created by CollabNet Inc. in 2000, but now it
            is developed as a project of the Apache Software Foundation, and as
            such is part of a rich community of developers and users.</p>

         <h4 id = "jmeter">jMeter</h4>
         <p>jMeter is an Open Source testing software. It is 100% pure Java
            application for load and performance testing.</p>

         <h4 id = "ejb">EJB</h4>
         <p>Enterprise Java Beans (EJB) is a development architecture for building
            highly scalable and robust enterprise level applications to be deployed
            on J2EE compliant Application Server such as JBOSS, Web Logic etc.</p>
      </div>
   </body>
</html>

更新时间:2020 年 6 月 12 日

126 次浏览

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