希望你一切都好。我想做的是让这个旋转木马发挥作用，我已经检查了JS文件，它们在最后，但仍然存在。我也尊重js文件的顺序。这是引导程序网站上的示例。
注意：test.css为空
这是代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="test.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<title>Test</title>
</head>
<body>
<div class="container">
<div id="carouselExampleCaptions" class="carousel slide" data-bs-ride="carousel">
<ol class="carousel-indicators">
<li data-bs-target="#carouselExampleCaptions" data-bs-slide-to="0" class="active"></li>
<li data-bs-target="#carouselExampleCaptions" data-bs-slide-to="1"></li>
<li data-bs-target="#carouselExampleCaptions" data-bs-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img src="img/s1.jpg" class="d-block w-100" alt="...">
<div class="carousel-caption d-none d-md-block">
<h5>First slide label</h5>
<p>Nulla vitae elit libero, a pharetra augue mollis interdum.</p>
</div>
</div>
<div class="carousel-item">
<img src="img/s2.jpg" class="d-block w-100" alt="...">
<div class="carousel-caption d-none d-md-block">
<h5>Second slide label</h5>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>
</div>
</div>
<div class="carousel-item">
<img src="img/s3.jpg" class="d-block w-100" alt="...">
<div class="carousel-caption d-none d-md-block">
<h5>Third slide label</h5>
<p>Praesent commodo cursus magna, vel scelerisque nisl consectetur.</p>
</div>
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleCaptions" role="button" data-bs-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="visually-hidden">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleCaptions" role="button" data-bs-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="visually-hidden">Next</span>
</a>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
无线，
您需要从代码中删除所有-bs-，例如data-bs-target到data-target，并更改图像路径。