版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qq_33867131/article/details/82842799
<!DOCTYPE html>
<html>
<head>
<title>测试页面</title>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<!-- jQuery文件。务必在bootstrap.min.js 之前引入 -->
<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="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
</head>
<body>
<div class="container">
<!--导航栏-->
<div class="row">
<div class="col-12">
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">书店</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">首页 <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">散文</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">杂文</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
诗歌
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<a class="dropdown-item" href="#">唐诗</a>
<a class="dropdown-item" href="#">宋词</a>
<a class="dropdown-item" href="#">元曲</a>
</div>
</li>
</ul>
</div>
</nav>
</div>
</div>
<br>
<div class="row">
<div class="col-12">
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<!-- 指示符 -->
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<!-- 轮播图片 -->
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-100" src="https://picsum.photos/1024/480/?image=52" alt="First slide">
<div class="carousel-caption d-none d-md-block">
<h3>第一张图片描述标题</h3>
<p>描述文字</p>
</div>
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://picsum.photos/1024/480/?image=54" alt="Second slide">
<div class="carousel-caption d-none d-md-block">
<h3>第一张图片描述标题</h3>
<p>描述文字</p>
</div>
</div>
<div class="carousel-item">
<img class="d-block w-100" src="https://picsum.photos/1024/480/?image=58" alt="Third slide">
<div class="carousel-caption d-none d-md-block">
<h3>第一张图片描述标题</h3>
<p>描述文字</p>
</div>
</div>
</div>
<!-- 左右切换按钮 -->
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev"
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" 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>
<br>
<!--列表图片-->
<div class="row">
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
</div>
<br>
<div class="row">
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
<div class="col-3"><img src="https://static.runoob.com/images/mix/paris.jpg" class="img-fluid"></div>
</div>
</div>
</body>
</html>