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Bootstrap4 轮播
2018-06-01 09:37:22 更新
轮播是一个一个幻灯片组件，用来循环显示图片元素，或者滚动的文字。
轮播创建
以下实例创建了一个简单的图片轮播效果 ：
实例：
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap4 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" >
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js" rel="external nofollow" rel="external nofollow" ></script>
<style>
/* Make the image fully responsive */
.carousel-inner img {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div id="demo" class="carousel slide" data-ride="carousel">
<!-- 指示符 -->
<ul class="carousel-indicators">
<li data-target="#demo" data-slide-to="0" class="active"></li>
<li data-target="#demo" data-slide-to="1"></li>
<li data-target="#demo" data-slide-to="2"></li>
</ul>
<!-- 轮播图片 -->
<div class="carousel-inner">
<div class="carousel-item active">
<img src="https://img.yuanmabao.com/zijie/pic/bootstrap4/24575.png">
</div>
<div class="carousel-item">
<img src="https://img.yuanmabao.com/zijie/pic/bootstrap4/31740.png">
</div>
<div class="carousel-item">
<img src="https://img.yuanmabao.com/zijie/pic/bootstrap4/30601.png">
</div>
</div>
<!-- 左右切换按钮 -->
<a class="carousel-control-prev" href="#demo" data-slide="prev">
<span class="carousel-control-prev-icon"></span>
</a>
<a class="carousel-control-next" href="#demo" data-slide="next">
<span class="carousel-control-next-icon"></span>
</a>
</div>
</body>
</html>轮播图片上添加描述
在每个 <div class="carousel-item"> 内添加 <div class="carousel-caption"> 来设置轮播图片的描述文本：:
实例:
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap4 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" >
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js" rel="external nofollow" rel="external nofollow" ></script>
<style>
/* Make the image fully responsive */
.carousel-inner img {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div id="demo" class="carousel slide" data-ride="carousel">
<!-- 指示符 -->
<ul class="carousel-indicators">
<li data-target="#demo" data-slide-to="0" class="active"></li>
<li data-target="#demo" data-slide-to="1"></li>
<li data-target="#demo" data-slide-to="2"></li>
</ul>
<!-- 轮播图片 -->
<div class="carousel-inner">
<div class="carousel-item active">
<img src="https://img.yuanmabao.com/zijie/pic/bootstrap4/24575.png">
<div class="carousel-caption">
<h3>第一张图片描述标题</h3>
<p>描述文字!</p>
</div>
</div>
<div class="carousel-item">
<img src="https://img.yuanmabao.com/zijie/pic/bootstrap4/43125.png">
<div class="carousel-caption">
<h3>第二张图片描述标题</h3>
<p>描述文字!</p>
</div>
</div>
<div class="carousel-item">
<img src="https://img.yuanmabao.com/zijie/pic/bootstrap4/30601.png">
<div class="carousel-caption">
<h3>第三张图片描述标题</h3>
<p>描述文字!</p>
</div>
</div>
</div>
<!-- 左右切换按钮 -->
<a class="carousel-control-prev" href="#demo" data-slide="prev">
<span class="carousel-control-prev-icon"></span>
</a>
<a class="carousel-control-next" href="#demo" data-slide="next">
<span class="carousel-control-next-icon"></span>
</a>
</div>
</body>
</html>