Bootstrap学习笔记 轮播（Carousel）插件
时间：2020-12-16 09:19:38|栏目：JavaScript代码|点击： 次
Bootstrap 轮播（Carousel）插件是一种灵活的响应式的向站点添加滑块的方式。除此之外，内容也是足够灵活的，可以是图像、内嵌框架、视频或者其他您想要放置的任何类型的内容。如果您想要单独引用该插件的功能，那么您需要引用 carousel.js,或者bootstrap.js 或压缩版的 bootstrap.min.js。
<!DOCTYPE html> <html> <head> <title>Bootstrap 轮播（Carousel）插件</title> <meta charset="utf-8"> <link rel="stylesheet" href="css/bootstrap.min.css" rel="external nofollow" > <link rel="stylesheet" href="css/carousel.css" rel="external nofollow" > <script src="js/jquery.min.js"></script> <script src="js/bootstrap.min.js"></script> </head> <body> <!-- Carousel ================================================== --> <div id="myCarousel" class="carousel slide" data-ride="carousel"> <!-- Indicators --> <ol class="carousel-indicators"> <li data-target="#myCarousel" data-slide-to="0" class="active"></li> <li data-target="#myCarousel" data-slide-to="1"></li> <li data-target="#myCarousel" data-slide-to="2"></li> </ol> <div class="carousel-inner" role="listbox"> <div class="item active"> <img class="first-slide" src="http://localhost:8020/BootStrap/img/slide1.png" alt="First slide"> <div class="container"> <div class="carousel-caption"> <h1>Example headline.</h1> <p> Note: If you're viewing this page via a <code> file://</code> URL, the "next" and "previous" Glyphicon buttons on the left and right might not load/display properly due to web browser security rules. </p> <p> <a class="btn btn-lg btn-primary" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" role="button">Sign up today</a> </p> </div> </div> </div> <div class="item"> <img class="second-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Second slide"> <div class="container"> <div class="carousel-caption"> <h1>Another example headline.</h1> <p> Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit. </p> <p> <a class="btn btn-lg btn-primary" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" role="button">Learn more</a> </p> </div> </div> </div> <div class="item"> <img class="third-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Third slide"> <div class="container"> <div class="carousel-caption"> <h1>One more for good measure.</h1> <p> Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit. </p> <p> <a class="btn btn-lg btn-primary" href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" role="button">Browse gallery</a> </p> </div> </div> </div> </div> <!--左前进右后退--> <a class="left carousel-control" href="#myCarousel" rel="external nofollow" rel="external nofollow" role="button" data-slide="prev"> <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span> <span class="sr-only">Previous</span> </a> <a class="right carousel-control" href="#myCarousel" rel="external nofollow" rel="external nofollow" role="button" data-slide="next"> <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span> <span class="sr-only">Next</span> </a> </div> <!-- /.carousel --> </body> </html>
注意：
<img class="second-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Second slide">
data格式的Url最直接的好处是，这些Url原本会引起一个新的网络访问，因为那里是一个网页的地址，现在不会有新的网络访问了，因为现在这里是网页的内容。这样做，会减少服务器的负载，当然同时也增加了当前网页的大小。所以对“小”数据特别有好处。
效果图
bootstrap组件专题大家可以参考下：
栏 目：JavaScript代码
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