Question

我将代码设置如下，以使用引导程序创建轮播幻灯片放映。但是，当我跑步时，唯一的事情就是加载第一张图像。没有动画，也没有对控制按钮的响应。我在Angular app.component.html页面中实现了此代码。我检查了所有的CDN，它们运行良好。怎么了？

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  <style>
  .carousel-inner > .item > img,
  .carousel-inner > .item > a > img {
      width: 70%;
      margin: auto;
  }
  </style>
</head>
<body>

<div class="container">
  <br>
  <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>
      <li data-target="#myCarousel" data-slide-to="3"></li>
    </ol>

    <!-- Wrapper for slides -->
    <div class="carousel-inner" role="listbox">

      <div class="item active">
        <img src="../assets/images/6.png" alt="Chania" width="460" height="345">
        <div class="carousel-caption">
          <h3>Chania</h3>
          <p>The atmosphere in Chania has a touch of Florence and Venice.</p>
        </div>
      </div>

      <div class="item">
        <img src="../assets/images/7.png" alt="Chania" width="460" height="345">
        <div class="carousel-caption">
          <h3>Chania</h3>
          <p>The atmosphere in Chania has a touch of Florence and Venice.</p>
        </div>
      </div>

      <div class="item">
        <img src="../assets/images/8.png" alt="Flower" width="460" height="345">
        <div class="carousel-caption">
          <h3>Flowers</h3>
          <p>Beautiful flowers in Kolymbari, Crete.</p>
        </div>
      </div>

      <div class="item">
        <img src="../assets/images/9.png" alt="Flower" width="460" height="345">
        <div class="carousel-caption">
          <h3>Flowers</h3>
          <p>Beautiful flowers in Kolymbari, Crete.</p>
        </div>
      </div>

    </div>

    <!-- Left and right controls -->
    <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>
</div>

</body>
</html>

Answer 1

您提供的代码可以正常工作。必须有另一个因素。

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  <style>
  
   #myCarousel {
    margin-top: 2rem;
   }
  .carousel-inner > .item > img,
  .carousel-inner > .item > a > img {
      width: 70%;
      margin: auto;
  }
  </style>
</head>
<body>

<div class="container">

  <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>
      <li data-target="#myCarousel" data-slide-to="3"></li>
    </ol>

    <!-- Wrapper for slides -->
    <div class="carousel-inner" role="listbox">

      <div class="item active">
        <img src="https://picsum.photos/460/345/?image=10" alt="Chania" width="460" height="345">
        <div class="carousel-caption">
          <h3>Chania</h3>
          <p>The atmosphere in Chania has a touch of Florence and Venice.</p>
        </div>
      </div>

      <div class="item">
        <img src="https://picsum.photos/460/345/?image=15" alt="Chania" width="460" height="345">
        <div class="carousel-caption">
          <h3>Chania</h3>
          <p>The atmosphere in Chania has a touch of Florence and Venice.</p>
        </div>
      </div>

      <div class="item">
        <img src="https://picsum.photos/460/345/?image=20" alt="Flower" width="460" height="345">
        <div class="carousel-caption">
          <h3>Flowers</h3>
          <p>Beautiful flowers in Kolymbari, Crete.</p>
        </div>
      </div>

      <div class="item">
        <img src="https://picsum.photos/460/345/?image=25" alt="Flower" width="460" height="345">
        <div class="carousel-caption">
          <h3>Flowers</h3>
          <p>Beautiful flowers in Kolymbari, Crete.</p>
        </div>
      </div>

    </div>

    <!-- Left and right controls -->
    <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>
</div>

</body>
</html>

Answer 2

您的代码正在运行。问题应该出在文件路径或外部JS或CSS。也提供他们以解决问题。

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  <style>
  .carousel-inner > .item > img,
  .carousel-inner > .item > a > img {
      width: 70%;
      margin: auto;
  }
  </style>
</head>
<body>

<div class="container">
  <br>
  <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>
      <li data-target="#myCarousel" data-slide-to="3"></li>
    </ol>

    <!-- Wrapper for slides -->
    <div class="carousel-inner" role="listbox">

      <div class="item active">
        <img src="../assets/images/6.png" alt="Chania" width="460" height="345">
        <div class="carousel-caption">
          <h3>Chania</h3>
          <p>The atmosphere in Chania has a touch of Florence and Venice.</p>
        </div>
      </div>

      <div class="item">
        <img src="../assets/images/7.png" alt="Chania" width="460" height="345">
        <div class="carousel-caption">
          <h3>Chania</h3>
          <p>The atmosphere in Chania has a touch of Florence and Venice.</p>
        </div>
      </div>

      <div class="item">
        <img src="../assets/images/8.png" alt="Flower" width="460" height="345">
        <div class="carousel-caption">
          <h3>Flowers</h3>
          <p>Beautiful flowers in Kolymbari, Crete.</p>
        </div>
      </div>

      <div class="item">
        <img src="../assets/images/9.png" alt="Flower" width="460" height="345">
        <div class="carousel-caption">
          <h3>Flowers</h3>
          <p>Beautiful flowers in Kolymbari, Crete.</p>
        </div>
      </div>

    </div>

    <!-- Left and right controls -->
    <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>
</div>

</body>
</html>

Bootstrap轮播幻灯片无法正常播放

2 个答案: