使用BootStrap搭建主页
介绍：
我们的项目底下要有这么一些文件夹和文件
现在，上代码！
主页代码：
top.jsp：
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Top</title>
</head>
<body>
<%--导航栏--%>
<nav class="navbar navbar-dark bg-primary mb-2">
<div class="container-fluid">
<a class="navbar-brand" href="#">
彼岸商城
</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#linkText"
aria-controls="navbarText" aria-expanded="false">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="linkText">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item">
<a class="nav-link" href="index.jsp" id="index">首页</a>
</li>
<li class="nav-item">
<a class="nav-link" href="insert.jsp" id="insert">增加商品</a>
</li>
</ul>
<script>
$("#<%=request.getParameter("type")%>").addClass("active")
</script>
</div>
</div>
</nav>
</body>
</html>
index.jsp：主页界面
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>彼岸商城</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="js/jquery-3.3.1.js"></script>
<link rel="stylesheet" href="bootstrap-5.0.0-beta3-dist/css/bootstrap.css">
<script src="bootstrap-5.0.0-beta3-dist/js/bootstrap.js"></script>
<style>
.carousel-item img{
height: 350px;
}
</style>
</head>
<body>
<jsp:include page="component/top.jsp">
<jsp:param name="type" value="index"/>
</jsp:include>
<%--容器--%>
<div class="container">
<%--轮播图--%>
<div id="myCarousel" class="carousel slide mb-3" data-bs-ride="carousel" data-bs-interval="2000">
<div class="carousel-indicators">
<button type="button" data-bs-target="#myCarousel" data-bs-slide-to="0" class="active"></button>
<button type="button" data-bs-target="#myCarousel" data-bs-slide-to="1"></button>
<button type="button" data-bs-target="#myCarousel" data-bs-slide-to="2"></button>
</div>
<div class="carousel-inner">
<div class="carousel-item active">
<img src="images/t1.jpg" class="d-block w-100" alt="...">
<div class="carousel-caption d-none d-md-block">
<h5>First slide label</h5>
<p>Some representative placeholder content for the first slide.</p>
</div>
</div>
<div class="carousel-item">
<img src="images/t2.jpg" class="d-block w-100" alt="...">
<div class="carousel-caption d-none d-md-block">
<h5>First slide label</h5>
<p>Some representative placeholder content for the first slide.</p>
</div>
</div>
<div class="carousel-item">
<img src="images/t3.jpg" class="d-block w-100" alt="...">
<div class="carousel-caption d-none d-md-block">
<h5>First slide label</h5>
<p>Some representative placeholder content for the first slide.</p>
</div>
</div>
</div>
<button class="carousel-control-prev" type="button" data-bs-target="#myCarousel" data-bs-slide="prev">
<span class="carousel-control-prev-icon"></span>
</button>
<button class="carousel-control-next" type="button" data-bs-target="#myCarousel" data-bs-slide="next">
<span class="carousel-control-next-icon"></span>
</button>
</div>
<div class="row">
<div class="col-3">
<div class="input-group mb-3">
<label class="input-group-text" for="rows">显示个数</label>
<select class="form-select" id="rows">
<option value="4">4</option>
<option value="8">8</option>
<option value="12">12</option>
</select>
</div>
</div>
<div class="col-3">
<div class="input-group mb-3">
<label class="input-group-text" for="rows">排序规则</label>
<select class="form-select" >
<option value="4">根据商品价格</option>
<option value="8">根据商品库存</option>
<option value="12">根据商品销量</option>
</select>
</div>
</div>
<div class="col-3">
<div class="input-group mb-3">
<label class="input-group-text" for="rows">搜索商品</label>
<input type="text" class="form-control">
</div>
</div>
</div>
<%--商品网格显示--%>
<div class="row">
<%--一行显示4个商品 每个card占用三格--%>
<div class="card col-md-3 mb-2">
<img src="images/love.jpg" class="card-img-top" alt="">
<div class="card-body">
<h5 class="card-title">爱上你</h5>
<p class="card-text">用一朵花开的时间</p>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary">🔍</button>
<button type="button" class="btn btn-warning">🛒</button>
<button type="button" class="btn btn-danger">🙅</button>
</div>
</div>
</div>
<div class="card col-md-3 mb-2">
<img src="images/love.jpg" class="card-img-top" alt="">
<div class="card-body">
<h5 class="card-title">爱上你</h5>
<p class="card-text">用一朵花开的时间</p>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary">🔍</button>
<button type="button" class="btn btn-warning">🛒</button>
<button type="button" class="btn btn-danger">🙅</button>
</div>
</div>
</div>
<div class="card col-md-3 mb-2">
<img src="images/love.jpg" class="card-img-top" alt="">
<div class="card-body">
<h5 class="card-title">爱上你</h5>
<p class="card-text">用一朵花开的时间</p>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary">🔍</button>
<button type="button" class="btn btn-warning">🛒</button>
<button type="button" class="btn btn-danger">🙅</button>
</div>
</div>
</div>
<div class="card col-md-3 mb-2">
<img src="images/love.jpg" class="card-img-top" alt="">
<div class="card-body">
<h5 class="card-title">爱上你</h5>
<p class="card-text">用一朵花开的时间</p>
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary">🔍</button>
<button type="button" class="btn btn-warning">🛒</button>
<button type="button" class="btn btn-danger">🙅</button>
</div>
</div>
</div>
</div>
<ul class="pagination pagination-lg">
<li class="page-item active" aria-current="page">
<span class="page-link">1</span>
</li>
<li class="page-item"><a class="page-link" href="#">2</a></li>
<li class="page-item"><a class="page-link" href="#">3</a></li>
</ul>
</div>
</body>
</html>
