Bootstrap 4旋转木马循环法

<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.5.3/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/4.5.3/js/bootstrap.min.js"></script>

<div id="myCarousel" class="carousel slide" data-ride="carousel">
  <!-- 指示器 -->
  <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>
  </ol>
  
  <!-- 内容项 -->
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="image1.jpg" alt="Image 1">
      <div class="carousel-caption">
        <h3>标题 1</h3>
        <p>描述 1</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="image2.jpg" alt="Image 2">
      <div class="carousel-caption">
        <h3>标题 2</h3>
        <p>描述 2</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="image3.jpg" alt="Image 3">
      <div class="carousel-caption">
        <h3>标题 3</h3>
        <p>描述 3</p>
      </div>
    </div>
  </div>
  
  <!-- 控制按钮 -->
  <a class="carousel-control-prev" href="#myCarousel" data-slide="prev">
    <span class="carousel-control-prev-icon"></span>
  </a>
  <a class="carousel-control-next" href="#myCarousel" data-slide="next">
    <span class="carousel-control-next-icon"></span>
  </a>
</div>

$(document).ready(function(){
  $('.carousel').carousel({
    interval: 3000,  // 切换间隔时间（毫秒）
    wrap: true      // 开启循环播放
  });
});