进度条默认是蓝色，不过我们可以通过添加颜色类来对进度条的颜色进行修改。
实例：
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap4 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" >
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
</head>
<body>
<div class="container">
<h2>多种颜色的进度条</h2>
<p>Bootstrap4 提供了以下几种进度条颜色:</p>
<div class="progress">
<div class="progress-bar" style="width:30%"></div>
</div>
<br>
<div class="progress">
<div class="progress-bar bg-success" style="width:40%"></div>
</div>
<br>
<div class="progress">
<div class="progress-bar bg-info" style="width:50%"></div>
</div>
<br>
<div class="progress">
<div class="progress-bar bg-warning" style="width:60%"></div>
</div>
<br>
<div class="progress">
<div class="progress-bar bg-danger" style="width:70%"></div>
</div>
</div>
</body>
</html> |
发表于 2025-1-2 09:32
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