Bootstrap 4轮播组件问题

Question

我正在尝试将 Carousel Bootstrap 4 实施到个人项目中。我对 HTML5、CSS3、Bootstrap 4 和 JS 有基本的了解。我看过几个关于如何使用轮播组件的讨论和教程，但无法在浏览器中获得正确的输出。我使用 chrome 和 firefox 并且在两个浏览器中都有同样的问题。我已经检查了 (link) 和 (script) 的路径，我什至不得不将 (img data-src="#") 更改为 (img src="#") 以便图像可以正确加载到浏览器中。这些图像相互重叠，不知道如何解决这个问题。我直接从 Bootstrap 网站复制代码。这是我第一次进入社区，也是我的第一个问题。只是对这个组件感到有点沮丧。

提前致谢！

Image example of problem in browser

    <!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <meta http-equiv="x-ua-compatible" content="ie=edge">

  <title>Carousel-testing!</title>
  <link rel="stylesheet" href="assets\css\bootstrap.css">
  <link rel="stylesheet" href="assets\css\bootstrap-theme.css">
  <link rel="stylesheet" href="assets\css\app.css">
  <link rel="stylesheet" href="assets\css\animate.css">

  <script type="text/javascript" src="assets\js\jquery.js"></script>
  <script type="text/javascript" src="assets\js\bootstrap.js"></script>
  <script type="text/javascript" src="assets\js\app.js"></script>
</head>

<nav>

</nav>

<section id="carousel">

  <div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
    <ol class="carousel-indicators">
      <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
      <li data-target="#carousel-example-generic" data-slide-to="1"></li>
      <li data-target="#carousel-example-generic" data-slide-to="2"></li>
    </ol>
    <div class="carousel-inner" role="listbox">
      <div class="carousel-item active">
        <img src="assets\images\2736779-casino-roulette-in-water-and-fire-isolated-on-black-background.jpg" alt="First slide">
      </div>
      <div class="carousel-item">
        <img src="assets\images\DealerBust.jpg" alt="Second slide">
      </div>
      <div class="carousel-item">
        <img src="assets\images\FH_Gaming_Main-new.jpg" alt="Third slide">
      </div>
    </div>
    <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
      <span class="icon-prev" aria-hidden="true"></span>
      <span class="sr-only">Previous</span>
    </a>
    <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
      <span class="icon-next" aria-hidden="true"></span>
      <span class="sr-only">Next</span>
    </a>
  </div>
</section>

<body>


</body>

</html>

Answer 1

您需要将您的 HTML 放入 <body> 标记中才能正确呈现。

<body>
<nav>

</nav>

<section id="carousel">

  <div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
    <ol class="carousel-indicators">
      <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
      <li data-target="#carousel-example-generic" data-slide-to="1"></li>
      <li data-target="#carousel-example-generic" data-slide-to="2"></li>
    </ol>
    <div class="carousel-inner" role="listbox">
      <div class="carousel-item active">
        <img src="assets\images\2736779-casino-roulette-in-water-and-fire-isolated-on-black-background.jpg" alt="First slide">
      </div>
      <div class="carousel-item">
        <img src="assets\images\DealerBust.jpg" alt="Second slide">
      </div>
      <div class="carousel-item">
        <img src="assets\images\FH_Gaming_Main-new.jpg" alt="Third slide">
      </div>
    </div>
    <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
      <span class="icon-prev" aria-hidden="true"></span>
      <span class="sr-only">Previous</span>
    </a>
    <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
      <span class="icon-next" aria-hidden="true"></span>
      <span class="sr-only">Next</span>
    </a>
  </div>
</section>
</body>

</html>

Answer 2

将类“carousel-item”更改为“item”。

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta http-equiv="x-ua-compatible" content="ie=edge">

<title>Carousel-testing!</title>
<link rel="stylesheet" href="assets\css\bootstrap.css">
<link rel="stylesheet" href="assets\css\bootstrap-theme.css">
<link rel="stylesheet" href="assets\css\app.css">
<link rel="stylesheet" href="assets\css\animate.css">

<script type="text/javascript" src="assets\js\jquery.js"></script>
<script type="text/javascript" src="assets\js\bootstrap.js"></script>
<script type="text/javascript" src="assets\js\app.js"></script>
</head>

<nav>

</nav>

<section id="carousel">

<div id="carousel-example-generic" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
  <li data-target="#carousel-example-generic" data-slide-to="0" class="active"></li>
  <li data-target="#carousel-example-generic" data-slide-to="1"></li>
  <li data-target="#carousel-example-generic" data-slide-to="2"></li>
</ol>
<div class="carousel-inner" role="listbox">
  <div class="item active">
    <img src="assets\images\2736779-casino-roulette-in-water-and-fire-isolated-on-black-background.jpg" alt="First slide">
  </div>
  <div class="item">
    <img src="assets\images\DealerBust.jpg" alt="Second slide">
  </div>
  <div class="item">
    <img src="assets\images\FH_Gaming_Main-new.jpg" alt="Third slide">
  </div>
</div>
<a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
  <span class="icon-prev" aria-hidden="true"></span>
  <span class="sr-only">Previous</span>
</a>
<a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
  <span class="icon-next" aria-hidden="true"></span>
  <span class="sr-only">Next</span>
</a>
</div>
</section>