Bootstrap 折叠

当您要隐藏和显示大量内容时，会使用Bootstrap 折叠。

".collapse"类用于指定可折叠元素。

Bootstrap 折叠示例

 <!DOCTYPE html>
<html>
<head>
  <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>Basic Collapse Example</h2>
  <button type="button" class="btn btn-info" data-toggle="collapse" data-target="#demo">Simple collapsible</button>
  <div id="demo" class="collapse">
Tigers and Lions are the most ferocious animals on the earth. They belong to the felidae(cat) family. 
They are both from the four big cats. These four big cats are Lion, Tiger, Leopard, and Jaguar.
 These animals reside on the top of the food chain and don't have any predators.
  </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 可折叠面板

您也可以折叠面板。

请参见以下示例:

<!DOCTYPE html>
<html>
<head>
  <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>Collapsible Panel</h2>
  <div class="panel-group">
    <div class="panel panel-default">
      <div class="panel-heading">
        <h4 class="panel-title">
          <a data-toggle="collapse" href="#collapse1">Collapsible panel</a>
        </h4>
      </div>
      <div id="collapse1" class="panel-collapse collapse">
        <div class="panel-body">Panel Body</div>
        <div class="panel-footer">Panel Footer</div>
      </div>
    </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 可折叠列表组

您还可以创建一个内部包含列表组的可折叠面板。

请参见以下示例:

<!DOCTYPE html>
<html>
<head>
  <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>Collapsible List Group</h2>
  <div class="panel-group">
    <div class="panel panel-default">
      <div class="panel-heading">
        <h4 class="panel-title">
          <a data-toggle="collapse" href="#collapse1">Collapsible list group</a>
        </h4>
      </div>
      <div id="collapse1" class="panel-collapse collapse">
        <ul class="list-group">
          <li class="list-group-item">One</li>
          <li class="list-group-item">Two</li>
          <li class="list-group-item">Three</li>
        </ul>
        <div class="panel-footer">Footer</div>
      </div>
    </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 徽章和标签

Bootstrap 按钮