如何制作帶有滾動條的引導媒體列表？
[英]How can I make a bootstrap media list with a scroll bar?
問題描述
這是我的代碼：
<html> <head> <,-- 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/4.5.0/css/bootstrap,min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous"> <,-- Optional JavaScript --> <:-- jQuery first. then Popper.js. then Bootstrap JS --> <script src="https.//code.jquery.com/jquery-3.5:1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script> <script src="https.//cdn.jsdelivr.net/npm/popper.js@1:16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script> <script src="https.//stackpath.bootstrapcdn.com/bootstrap/4:5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script> <style> </style> </head> <body class="p-1"> <div class="p-0 container-fluid"> <div class="p-0 row h-25 no-gutters"> <div class="p-0 col-12 col-sm-12 col-lg-12 col-xl-12"> <video id="selfView" class="h-100 w-100 position-absolute" controls muted> <source src="https://www:w3schools:com/html/mov_bbb.mp4" type="video/mp4"> </video> </div> </div> <div class="p-0 row no-gutters"> <div class="d-flex flex-row justify-content-center p-0 col-12 col-sm-12 col-lg-12 col-xl-12"> <div class="btn-group-toggle p-1" data-toggle="buttons"> <label class="btn btn-sm btn-lg btn-success"> TV:<span class="badge badge-success">On</span> <input type="checkbox" id="shareVideo" checked> </label> </div> <div class="btn-group-toggle p-1" data-toggle="buttons"> <label class="btn-sm btn btn-lg btn-success"> Light:<span class="badge badge-success">On</span> <input type="checkbox" id="shareAudio" checked> </label> </div> <div class="btn-group-toggle p-1" data-toggle="buttons"> <label class="btn-sm btn btn-lg btn-danger"> Air Cond:<span class="badge badge-danger">Off</span> <input type="checkbox" id="shareScreen"> </label> </div> <div class="btn-group-toggle p-1"> <button class="btn-sm btn btn-lg btn-success">Create a meeting</button> </div> </div> </div> <div class="p-0 row no-gutters"> <div class="p-0 col-12 col-sm-12 col-lg-12 col-xl-12"> <ul class="nav nav-pills p-1 d-flex justify-content-around" id="pills-tab" role="tablist"> <li class="nav-item"> <a class="nav-link active" id="pills-info-tab" data-toggle="pill" href="#pills-info" role="tab" aria-controls="pills-info" aria-selected="true"> i </a> </li> <li class="nav-item"> <a class="nav-link" id="pills-member-tab" data-toggle="pill" href="#pills-member" role="tab" aria-controls="pills-member" aria-selected="false"> f </a> </li> <li class="nav-item"> <a class="nav-link" id="pills-message-tab" data-toggle="pill" href="#pills-message" role="tab" aria-controls="pills-message" aria-selected="false"> c </a> </li> </ul> <div class="tab-content border border-success position-relative" id="pills-tabContent"> <div class="tab-pane fade p-0 show active " id="pills-info" role="tabpanel" aria-labelledby="pills-member-tab"> <ul class="list-unstyled overflow-auto h-100"> <li class="media"> a </li> <li class="media"> b </li> <li class="media"> c </li> <li class="media"> a </li> <li class="media"> b </li> <li class="media"> c </li> <li class="media"> a </li> <li class="media"> b </li> <li class="media"> c </li> <li class="media"> a </li> <li class="media"> b </li> <li class="media"> c </li> <li class="media"> a </li> <li class="media"> b </li> <li class="media"> c </li> <li class="media"> a </li> <li class="media"> b </li> <li class="media"> c </li> </ul> </div> <div class="tab-pane fade p-0" id="pills-member" role="tabpanel" aria-labelledby="pills-member-tab"> 2 </div> <div class="tab-pane fade p-0" id="pills-message" role="tabpanel" aria-labelledby="pills-member-tab"> 3 </div> </div> </div> </div> </div> </body> </html>
如何使用滾動條制作引導媒體列表（即第 81 行）？
我使用“位置相對”和“位置絕對” class 使瀏覽器顯示滾動條。
不幸的是，它不起作用。
這是因為我用手機瀏覽web頁面時，媒體列表太長了。
2 個解決方案
解決方案1
2 已采納 2020-05-30 14:11:53
使用 CSS，將其放入空的<style></style>標記中，並從ul中刪除overflow-auto h-100類。
#pills-info {
height: calc(100vh - 100px);
overflow-y: scroll
}
解決方案2
1 2020-05-30 14:19:03
可以使用具有以下 2 個屬性的 CSS class 添加滾動條：
- 溢出-y：滾動
- 最大高度：高度；
滾動條的示例 CSS class：
.scroll-bar {
overflow-x: scroll;
overflow-y: scroll;
max-height: 100px;
}
這是將 CSS class 添加到列表中的工作示例：
<html>
<head>
<!-- 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/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>
<style>
.scroll-bar {
overflow-x: scroll;
overflow-y: scroll;
max-height: 100px;
}
</style>
</head>
<body class="p-1">
<div class="p-0 container-fluid">
<div class="p-0 row h-25 no-gutters">
<div class="p-0 col-12 col-sm-12 col-lg-12 col-xl-12">
<video id="selfView" class="h-100 w-100 position-absolute" controls muted>
<source src="https://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4">
</video>
</div>
</div>
<div class="p-0 row no-gutters">
<div class="d-flex flex-row justify-content-center p-0 col-12 col-sm-12 col-lg-12 col-xl-12">
<div class="btn-group-toggle p-1" data-toggle="buttons">
<label class="btn btn-sm btn-lg btn-success">
TV:<span class="badge badge-success">On</span>
<input type="checkbox" id="shareVideo" checked>
</label>
</div>
<div class="btn-group-toggle p-1" data-toggle="buttons">
<label class="btn-sm btn btn-lg btn-success">
Light:<span class="badge badge-success">On</span>
<input type="checkbox" id="shareAudio" checked>
</label>
</div>
<div class="btn-group-toggle p-1" data-toggle="buttons">
<label class="btn-sm btn btn-lg btn-danger">
Air Cond:<span class="badge badge-danger">Off</span>
<input type="checkbox" id="shareScreen">
</label>
</div>
<div class="btn-group-toggle p-1">
<button class="btn-sm btn btn-lg btn-success">Create a meeting</button>
</div>
</div>
</div>
<div class="p-0 row no-gutters">
<div class="p-0 col-12 col-sm-12 col-lg-12 col-xl-12">
<ul class="nav nav-pills p-1 d-flex justify-content-around" id="pills-tab" role="tablist">
<li class="nav-item">
<a class="nav-link active"
id="pills-info-tab" data-toggle="pill"
href="#pills-info" role="tab" aria-controls="pills-info" aria-selected="true">
i
</a>
</li>
<li class="nav-item">
<a class="nav-link"
id="pills-member-tab" data-toggle="pill"
href="#pills-member" role="tab" aria-controls="pills-member" aria-selected="false">
f
</a>
</li>
<li class="nav-item">
<a class="nav-link"
id="pills-message-tab" data-toggle="pill"
href="#pills-message" role="tab" aria-controls="pills-message" aria-selected="false">
c
</a>
</li>
</ul>
<div class="tab-content border border-success position-relative" id="pills-tabContent">
<div class="tab-pane fade p-0 show active" id="pills-info" role="tabpanel" aria-labelledby="pills-member-tab">
<ul class="list-unstyled overflow-auto h-100 scroll-bar">
<li class="media">
a
</li>
<li class="media">
b
</li>
<li class="media">
c
</li>
<li class="media">
a
</li>
<li class="media">
b
</li>
<li class="media">
c
</li>
<li class="media">
a
</li>
<li class="media">
b
</li>
<li class="media">
c
</li>
<li class="media">
a
</li>
<li class="media">
b
</li>
<li class="media">
c
</li>
<li class="media">
a
</li>
<li class="media">
b
</li>
<li class="media">
c
</li>
<li class="media">
a
</li>
<li class="media">
b
</li>
<li class="media">
c
</li>
</ul>
</div>
<div class="tab-pane fade p-0" id="pills-member" role="tabpanel" aria-labelledby="pills-member-tab">
2
</div>
<div class="tab-pane fade p-0" id="pills-message" role="tabpanel" aria-labelledby="pills-member-tab">
3
</div>
</div>
</div>
</div>
</div>
</body>
</html>
Output：
如何讓javascript自動滾動，在HTML做一個滾動條？
[英]How can I make javascript automatically scroll and make a scroll bar in HTML?
如何隱藏水平欄，並使左右按鈕水平滾動？
[英]How can I make the horizontal bar hidden and make left and right buttons to scroll horizontally?
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