<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous">
此外,我还包括最新的bootstrap javascript链接。这些链接位于关闭正文标记的正上方。 我的代码如下。
<div id="my-slider" class="carousel slide" data-ride="carousel" data-interval="2000">
<!-- indicators dot nav -->
<ol class="carousel-indicators">
<li data-target="#my-slider" data-slide-to="0" class="active"></li>
<li data-target="#my-slider" data-slide-to="1"></li>
<li data-target="#my-slider" data-slide-to="2"></li>
</ol>
<!-- wrapper for slides -->
<div class="carousel-inner" role="listbox">
<div class="item-active">
<img src="images/background-2.jpg" alt="fruits" style="width: 100%"/>
<div class="carousel-caption">
<h1>This is first slide</h1>
</div>
</div>
<div class="item-active">
<img src="images/background-3.jpg" alt="fruits" style="width: 100%"/>
<div class="carousel-caption">
<h1>This is second slide</h1>
</div>
</div>
<div class="item-active">
<img src="images/background-4.jpg" alt="fruits" style="width: 100%"/>
<div class="carousel-caption">
<h1>This is third slide</h1>
</div>
</div>
</div>
<!-- controls or next or prev buttons -->
<a href="#my-slider" role="button" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a href="#my-slider" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
答案 0 :(得分:0)
您的carousal项目中的每一项都有item-active
个班级。将item-active
课程改为carousel-item
班级,并将仅第一个项目设为active
。
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img src="images/background-2.jpg" alt="fruits" style="width: 100%"/>
<div class="carousel-caption">
<h1>This is first slide</h1>
</div>
</div>
<div class="carousel-item">
<img src="images/background-3.jpg" alt="fruits" style="width: 100%"/>
<div class="carousel-caption">
<h1>This is second slide</h1>
</div>
</div>
<div class="carousel-item">
<img src="images/background-4.jpg" alt="fruits" style="width: 100%"/>
<div class="carousel-caption">
<h1>This is third slide</h1>
</div>
</div>
</div>
此外,您似乎使用了Bootstrap 3轮播,但是您已经加载了Bootstrap 4 CSS&amp; JS。所以请参考Bootstrap 4 carousel example here。
由于Bootstrap 3&amp; 3的类别差异而未加载图标所以请复制/粘贴整个Bootstrap 4示例并使用您的内容进行编辑。