Bootstrap 类 dropdown-header

通过使用 dropdown-header 类为任意下拉菜单中的操作部分添加标签以生成页眉。

你可以尝试运行以下代码来实现 dropdown-header Bootstrap 类

示例

现场演示

<!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 = "dropdown">
         <button type = "button" class = "btn dropdown-toggle" id = "dropdownMenu1" data-toggle = "dropdown">
            Diet
            <span class = "caret"></span>
         </button>
         <ul class = "dropdown-menu pull-right" role = "menu" aria-labelledby = "dropdownMenu1">
            <li role = "presentation" class = "dropdown-header">Vegetables</li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">Potato</a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">Tomato</a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">
                  Brocolli
               </a>
            </li>
            <li role = "presentation" class = "dropdown-header">Fruits</li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">
                  Apple
               </a>
            </li>
            <li role = "presentation">
               <a role = "menuitem" tabindex = "-1" href = "#">
                  Kiwi
               </a>
            </li>
         </ul>
      </div>
   </body>
</html>

更新于：12-6 月-2020

182 次浏览

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