html - 如何让侧边栏占据整个页面高度？
问题描述
您好，下面的代码会生成一个带有一些 lorem 文本和侧边栏的 Bootstrap 页面，但是当页面内容的高度小于窗口的大小时，侧边栏不会垂直填充屏幕如何使侧边栏的高度填充屏幕垂直考虑到页面的内容可以大于 100vh。（要查看问题，您必须查看整页预览）
.sidebar-user-box {
padding: 4px;
margin-bottom: 4px;
font-weight: bold;
cursor: pointer;
color: white;
}<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BmbxuPwQa2lc/FVzBcNJ7UAyJxM6wuqIj61tLrc4wSX0szH/Ev+nYRRuWlolflfl" crossorigin="anonymous">
<!-- Bootstrap Bundle with Popper -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta2/dist/js/bootstrap.bundle.min.js" integrity="sha384-b5kHyXgcpbZJO/tY9Ul7kGkf1S0CWuKcCD38l8YkeH8z8QjE0GmW1gYU5S9FOnJ0" crossorigin="anonymous"></script>
<!-- jQuery -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!-- Page style -->
<link rel="stylesheet" href="CSS/index.css">
<!-- Title -->
<title>Social Media Site</title>
</head>
<body>
<nav class="navbar navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">Social Media Site</a>
<div class="d-flex align-items-center">
</div>
</div>
</nav>
<div class="container-fluid">
<div class="row">
<main role="main" class="col-sm-9 ml-sm-auto col-lg-10 px-4">
<div class="container-fluid">
<div class="row">
<div class="col-md-5 col-sm-4" style="background-color: blue;"></div>
<div class="col-md-4 col-sm-4" style="background-color: white;">
<p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Fugit ut necessitatibus accusamus temporibus magni recusandae tempore, provident consectetur commodi quas cum? Rerum, beatae sed odit quia nobis itaque possimus illo.</p>
</div>
<div class="col-md-3 col-sm-3" style="background-color: blue;"></div>
</div>
</div>
<div class="container-fluid">
<div class="row">
<div class="col-md-5 col-sm-4" style="background-color: darkblue;"></div>
<div class="col-md-4 col-sm-4" style="background-color: gray;">
<p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Nihil cupiditate repellendus et iusto voluptatem, reprehenderit laudantium qui a dolore dolorum? Perspiciatis voluptates eaque quas architecto cum earum nemo voluptate in? </p>
</div>
<div class="col-md-3 col-sm-3" style="background-color: darkblue;"></div>
</div>
</div>
</main>
<nav class="col-lg-2 col-sm-3 d-none d-sm-block bg-dark sidebar">
<div class="sidebar-sticky">
<ul class="nav flex-column">
<li class="nav-item sidebar-user-box" id="1">
<span id="slider-username">User</span>
</li>
<li class="nav-item sidebar-user-box" id="2">
<span id="slider-username">User (2)</span>
</li>
</ul>
</div>
</nav>
</div>
</div>
</body>
</html>解决方案
将此添加到您的 CSS 代码中.sidebar { height: 100vh;}
.sidebar-user-box {
padding: 4px;
margin-bottom: 4px;
font-weight: bold;
cursor: pointer;
color: white;
}
.sidebar { height: 100vh;}<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BmbxuPwQa2lc/FVzBcNJ7UAyJxM6wuqIj61tLrc4wSX0szH/Ev+nYRRuWlolflfl" crossorigin="anonymous">
<!-- Bootstrap Bundle with Popper -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0-beta2/dist/js/bootstrap.bundle.min.js" integrity="sha384-b5kHyXgcpbZJO/tY9Ul7kGkf1S0CWuKcCD38l8YkeH8z8QjE0GmW1gYU5S9FOnJ0" crossorigin="anonymous"></script>
<!-- jQuery -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!-- Page style -->
<link rel="stylesheet" href="CSS/index.css">
<!-- Title -->
<title>Social Media Site</title>
</head>
<body>
<nav class="navbar navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">Social Media Site</a>
<div class="d-flex align-items-center">
</div>
</div>
</nav>
<div class="container-fluid">
<div class="row">
<main role="main" class="col-sm-9 ml-sm-auto col-lg-10 px-4">
<div class="container-fluid">
<div class="row">
<div class="col-md-5 col-sm-4" style="background-color: blue;"></div>
<div class="col-md-4 col-sm-4" style="background-color: white;">
<p>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Fugit ut necessitatibus accusamus temporibus magni recusandae tempore, provident consectetur commodi quas cum? Rerum, beatae sed odit quia nobis itaque possimus illo.</p>
</div>
<div class="col-md-3 col-sm-3" style="background-color: blue;"></div>
</div>
</div>
<div class="container-fluid">
<div class="row">
<div class="col-md-5 col-sm-4" style="background-color: darkblue;"></div>
<div class="col-md-4 col-sm-4" style="background-color: gray;">
<p>Lorem ipsum, dolor sit amet consectetur adipisicing elit. Nihil cupiditate repellendus et iusto voluptatem, reprehenderit laudantium qui a dolore dolorum? Perspiciatis voluptates eaque quas architecto cum earum nemo voluptate in? </p>
</div>
<div class="col-md-3 col-sm-3" style="background-color: darkblue;"></div>
</div>
</div>
</main>
<nav class="col-lg-2 col-sm-3 d-none d-sm-block bg-dark sidebar">
<div class="sidebar-sticky">
<ul class="nav flex-column">
<li class="nav-item sidebar-user-box" id="1">
<span id="slider-username">User</span>
</li>
<li class="nav-item sidebar-user-box" id="2">
<span id="slider-username">User (2)</span>
</li>
</ul>
</div>
</nav>
</div>
</div>
</body>
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