我想从引导程序中执行 Carousel，我按照教程进行操作，但是 Carousel 没有加载。我不知道如何解决这个问题。我试图检查“Bootstrap”站点的文档，但我认为我做的一切都是正确的，那么问题是什么？
<!DOCTYPE html>
<html lang="pl">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>Kwiaciarnia.pl</title>
<meta name="description" content="Kwiaciarnia">
<meta name="keywords" content="kwiaty, wesela, kościoły, ubiór kościoła">
<meta name="author" content="Michał Martofel">
<meta http-equiv="X-Ua-Compatible" content="IE=edge">
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="main.css">
<link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700&subset=latin-ext" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Sniglet" rel="stylesheet">
<!--[if lt IE 9]>
<script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"></script>
<![endif]-->
</head>
<body>
<main>
<div class="container">
<div class="row">
<div class="col-sm-12">
<div id="my-slider" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#my-slider" data-slide-to="0" class="active"></li>
<li data-target="#my-slider" data-slide-to="1"></li>
<li data-target="#my-slider" data-slide-to="2"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="item active">
<img src="img/305.jpg" width="500px" height="300px" alt="flower" />
<div class="carousel-caption">
<h2>Piękny kwiatek</h2>
</div>
</div>
<div class="item">
<img src="img/300.jpg" width="500px" height="300px" alt="flower" />
<div class="carousel-caption">
<h2>Brzydki kwiatek</h2>
</div>
</div>
<div class="item">
<img src="img/271.jpg" width="500px" height="300px" alt="flower" />
<div class="carousel-caption">
<h2>Śliczny kwiatek</h2>
</div>
</div>
</div>
<a class="left carousel-control" href="#my-slider" 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="#my-slider" role="button" data-slide="next">
<span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
</div>
</div>
</main>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>
我是不是忘记了什么？还是 bootstrap/jquery 脚本有问题？
你必须给旋转木马的所有物品（图片）上课，carousel-item但你只给他们上课item。与上一个和下一个按钮相同。课程应该是carousel-control-prev，carousel-control-next但你只给了他们课程carousel-control。
其余的似乎工作得很好！在处理 Bootstrap 时，您始终必须注意这些类，因为它们必须完全正确才能正常工作。（您也可以删除popper.js底部的-script，因为它根本没有使用。）
所以基本上只是改变一切<div class="item">，以<div class="carousel-item">添加-next和-prev到控制类，像我一样在这里：
<!DOCTYPE html>
<html lang="pl">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>Kwiaciarnia.pl</title>
<meta name="description" content="Kwiaciarnia">
<meta name="keywords" content="kwiaty, wesela, kościoły, ubiór kościoła">
<meta name="author" content="Michał Martofel">
<meta http-equiv="X-Ua-Compatible" content="IE=edge">
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="main.css">
<link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700&subset=latin-ext" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Sniglet" rel="stylesheet">
<!--[if lt IE 9]>
<script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"></script>
<![endif]-->
</head>
<body>
<main>
<div class="container">
<div class="row">
<div class="col-sm-12">
<div id="my-slider" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#my-slider" data-slide-to="0" class="active"></li>
<li data-target="#my-slider" data-slide-to="1"></li>
<li data-target="#my-slider" data-slide-to="2"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img src="img/305.jpg" width="500px" height="300px" alt="flower" />
<div class="carousel-caption">
<h2>Piękny kwiatek</h2>
</div>
</div>
<div class="carousel-item">
<img src="img/300.jpg" width="500px" height="300px" alt="flower" />
<div class="carousel-caption">
<h2>Brzydki kwiatek</h2>
</div>
</div>
<div class="carousel-item">
<img src="img/271.jpg" width="500px" height="300px" alt="flower" />
<div class="carousel-caption">
<h2>Śliczny kwiatek</h2>
</div>
</div>
</div>
<a class="left carousel-control-prev" href="#my-slider" role="button" data-slide="prev">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
<a class="right carousel-control-next" href="#my-slider" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</div>
</div>
</div>
</main>
<script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>
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我来说两句