srcmini本文概述
进度条显示用户在流程中的距离。在Bootstrap中，有几种类型的进度条。
<div>元素中的类.progress用于在引导程序中创建默认进度栏。
Bootstrap进度栏示例
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Progress bar</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h2>Default Progress Bar</h2>
<div class="progress">
<div class="progress-bar" role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:70%">
<span class="sr-only">70% Complete</span>
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</body>
</html>Bootstrap 4基本进度栏
进度条用于向用户显示他/她在过程中待了多长时间。要创建创建默认的进度条，请将.progress类添加到容器元素，并将进度条类添加到其子元素。使用CSS width属性设置进度条的宽度。
例
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.6/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Progress Bar With Label</h2>
<div class="progress">
<div class="progress-bar" style="width:70%">70%</div>
</div>
</div>
</body>
</html>具有标签的Bootstrap进度栏
带标签的进度条指定特定过程的进度百分比。
你必须从进度栏中删除仅.sr类，才能显示可见百分比。
请参阅以下示例：
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h2>Progress Bar With Label</h2>
<div class="progress">
<div class="progress-bar" role="progressbar"
aria-valuenow="76" aria-valuemin="0" aria-valuemax="100" style="width:76%">
76%
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</body>
</html>Bootstrap彩色进度栏
你可以使用上下文类来创建彩色进度条。
用于创建彩色进度条的上下文类：
- .progress-bar-成功
- .progress-bar-info
- .progress-bar-warning
- .progress-bar-danger
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h2>Colored Progress Bars</h2>
<p>The contextual classes colors the progress bars:</p>
<div class="progress">
<div class="progress-bar progress-bar-success"
role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width:40%">
40% Complete (success)
</div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-info"
ole="progressbar" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" style="width:50%">
50% Complete (info)
</div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-warning"
role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width:60%">
60% Complete (warning)
</div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-danger"
role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:70%">
70% Complete (danger)
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</body>
</html>引导程序剥离进度条
你可以使用类.progress-bar-striped创建剥离的进度条。
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h2>Striped Progress Bars</h2>
<p>The .progress-bar-striped class adds stripes to the progress bars:</p>
<div class="progress">
<div class="progress-bar progress-bar-success progress-bar-striped"
role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width:40%">
40% Complete (success)
</div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-info progress-bar-striped"
role="progressbar" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" style="width:50%">
50% Complete (info)
</div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-warning progress-bar-striped"
role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width:60%">
60% Complete (warning)
</div>
</div>
<div class="progress">
<div class="progress-bar progress-bar-danger progress-bar-striped"
role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:70%">
70% Complete (danger)
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</body>
</html>Bootstrap动画进度条
你必须使用.active类来创建动画进度条。
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h2>Animated Progress Bar</h2>
<p>The .active class animates the progress bar:</p>
<div class="progress">
<div class="progress-bar progress-bar-striped active"
role="progressbar" aria-valuenow="70" aria-valuemin="0" aria-valuemax="100" style="width:70%">
70%
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</body>
</html>Bootstrap Stacked进度栏（彩色进度栏）
你可以通过将多个进度条放在同一<div class =“ progress”>中来创建堆叠的进度条
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h2>Stacked Progress Bars</h2>
<p>Create a stacked progress bar by placing multiple bars into the same div with class .progress:</p>
<div class="progress">
<div class="progress-bar progress-bar-success"
role="progressbar" style="width:40%">
Free Space
</div>
<div class="progress-bar progress-bar-warning"
role="progressbar" style="width:10%">
Warning
</div>
<div class="progress-bar progress-bar-danger"
role="progressbar" style="width:20%">
Danger
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</body>
</html>注意：Bootstrap 4中添加了两种新的彩色进度条：
- .progress-bar-white
- .progress-bar-secondary
- .progress-bar-light
- .progress-bar-dark
例：
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.6/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Colored Progress Bars Example</h2>
<!-- Blue -->
<div class="progress">
<div class="progress-bar" style="width:10%"></div>
</div><br>
<!-- Green -->
<div class="progress">
<div class="progress-bar bg-success" style="width:20%"></div>
</div><br>
<!-- Turquoise -->
<div class="progress">
<div class="progress-bar bg-info" style="width:30%"></div>
</div><br>
<!-- Orange -->
<div class="progress">
<div class="progress-bar bg-warning" style="width:40%"></div>
</div><br>
<!-- Red -->
<div class="progress">
<div class="progress-bar bg-danger" style="width:50%"></div>
</div><br>
<!-- White -->
<div class="progress border">
<div class="progress-bar bg-white" style="width:60%"></div>
</div><br>
<!-- Grey -->
<div class="progress">
<div class="progress-bar bg-secondary" style="width:70%"></div>
</div><br>
<!-- Light Grey -->
<div class="progress border">
<div class="progress-bar bg-light" style="width:80%"></div>
</div><br>
<!-- Dark Grey -->
<div class="progress">
<div class="progress-bar bg-dark" style="width:90%"></div>
</div>
</div>
</body>
</html>
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