如何使用Bootstrap折叠插件
折叠插件可让您轻松折叠页面。无论您是用它来构建手风琴导航还是内容盒，它都允许很多内容选择。
您可以尝试运行以下代码以在Bootstrap中实现折叠插件-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet">
<script src = "/scripts/jquery.min.js"></script>
<script src = "/bootstrap/js/bootstrap.min.js"></script>
</head>
<body>
<div class = "panel-group" id = "accordion">
<div class = "panel panel-default">
<div class = "panel-heading">
<h4 class = "panel-title">
<a data-toggle = "collapse" data-parent = "#accordion" href = "#collapseOne">
Click me to expand. Click me again to collapse.Section
</a>
</h4>
</div>
<div id = "collapseOne" class = "panel-collapse collapse in">
<div class = "panel-body">
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</div>
</div>
</div>
</div>
</body>
</html>