这是HTML
<div>
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<!-- Indicators -->
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class=""></li>
<li data-target="#myCarousel" data-slide-to="1" class="active"></li>
<li data-target="#myCarousel" data-slide-to="2" class=""></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="item"> <img class="first-slide" src="../assets/img/features/cleardent-header.png" alt="First slide">
<!--slogan and CTA-->
<div class="container">
<div class="row header-slogan fadeInDown animated">
<div class="col-xs-12">
<section class="cd-intro">
<h1 class="cd-headline letters type"><span>Do everything.</span> <span class="cd-words-wrapper ahwaiting"><b class="is-visible">Better.</b><b class="colour-cleardent">with ClearDent</b></span></h1>
</section>
</div>
</div>
<div class="row header-tagline fadeInDown animated">
<div class="col-xs-12">
<p>A complete dental practice management program that you are going to <span class="colour-cleardent-sec">love</span></p>
</div>
</div>
<div class="row header-cta fadeInUp animated">
<div class="col-xs-12">
<button class="btn-u extra-demo-btns" onClick="window.location='../demo';"><i class="fa fa-paper-plane fa-fw"></i> Book a Demo</button>
<a href="https://player.vimeo.com/video/157093017" class="btn-u fancybox-media fbmloading" id="cleardent-page-header-2-vimeo" data-fancybox-title="Why ClearDent?"><i class="fa fa-play fa-fw"></i> Watch a Video</a> </div>
</div>
</div>
<!--slogan and CTA end-->
</div>
<div class="item active"> <img class="second-slide" src="../assets/img/features/cleardent-header.png" 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="#" role="button">Learn more</a></p>
</div>
</div>
</div>
<div class="item"> <img class="third-slide" src="../assets/img/features/cleardent-header.png" 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="#" role="button">Browse gallery</a></p>
</div>
</div>
</div>
</div>
<a class="left carousel-control" href="#myCarousel" 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" 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)
对于Bootstrap 4,轮播标记应如下所示:
<div class="carousel-inner">
<div class="carousel-item active">
<img src="" alt="">
<div class="carousel-caption">
<!-- YOUR CONTENT HERE -->
</div>
</div>
</div>
你需要一些css来正确定位你的图像/标题:
.carousel-caption {
z-index: 10;
}
/* Declare heights because of positioning of img element */
.carousel-item {
height: 720px; // set your height
}
.carousel-item > img {
position: absolute;
top: 0;
left: 0;
height: 720px; // set your height
z-index: 9;
}
所以你的代码是:
.carousel-caption {
z-index: 10;
}
/* Declare heights because of positioning of img element */
.carousel-item {
height: 720px;
}
.carousel-item > img {
position: absolute;
top: 0;
left: 0;
height: 720px;
z-index: 9;
}
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<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<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" class=""></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-100" src="http://placehold.it/1280x720">
<div class="carousel-caption">
<!--slogan and CTA-->
<div class="container">
<div class="row header-slogan fadeInDown animated">
<div class="col-xs-12">
<section class="cd-intro">
<h1 class="cd-headline letters type"><span>Do everything.</span> <span class="cd-words-wrapper ahwaiting">
<b class="is-visible">Better.</b><b class="colour-cleardent">with ClearDent</b></span>
</h1>
</section>
</div>
</div>
<div class="row header-tagline fadeInDown animated">
<div class="col-xs-12">
<p>A complete dental practice management program that you are going to <span class="colour-cleardent-sec">love</span></p>
</div>
</div>
<div class="row header-cta fadeInUp animated">
<div class="col-xs-12">
<button class="btn-u extra-demo-btns" onClick="window.location='../demo';"><i class="fa fa-paper-plane fa-fw"></i> Book a Demo</button>
<a href="https://player.vimeo.com/video/157093017" class="btn-u fancybox-media fbmloading" id="cleardent-page-header-2-vimeo" data-fancybox-title="Why ClearDent?"><i class="fa fa-play fa-fw"></i> Watch a Video</a>
</div>
</div>
</div>
<!--slogan and CTA end-->
</div>
</div>
<div class="carousel-item">
<img class="d-block w-100" src="http://placehold.it/1280x720">
<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="#" role="button">Learn more</a></p>
</div>
</div>
<div class="carousel-item">
<img class="d-block w-100" src="http://placehold.it/1280x720">
<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="#" role="button">Browse gallery</a></p>
</div>
</div>
</div>
<a class="carousel-control-prev" href="#myCarousel" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#myCarousel" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
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