bootstrap 中的dropdown点击没有反应

我在页面上添加了两个dropdown的下来菜单，但是在浏览时，点击没有反应，并不能出发下拉效果
<!DOCTYPE html>
<html lang="en-us">
<head>

<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
<title>布鲁斯人生-人生需要一个态度，玩命折腾就对了。</title>

<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/mycss.css" rel="stylesheet" type="text/css">

<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
  <script src="https://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.min.js"></script>
  <script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->

</head>
<body>

<nav class="navbar navbar-default"><div class="container-fluid">
    <div class="navbar-header">    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#my-collapse-1" aria-expanded="false">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
        </button><a></a>
    </div>
    <div class="collapse navbar-collapse" id="my-collapse-1">
        <ul class="nav navbar-nav">
            <li><a href="">首页</a></li>
            <li><a href="">我是谁</a></li>
            <li><a href="">为伊写诗</a></li>
            <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">有话要说<span class="caret"></span></a>
                <ul class="dropdown-menu">
                    <li><a href="">闲言碎语</a></li>
                    <li><a href="">偶有所想</a></li>
                </ul>
            </li>
            <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">技术人生<span class="caret"></span></a>
                <ul class="dropdown-menu">
                    <li><a href="">营销推广</a></li>
                    <li><a href="">程序应用</a></li>
                    <li><a href="">网站运营</a></li>
                </ul>
            </li>
            
            <li><a href="">工作感悟</a></li>
            <li><a href="">每日一记</a></li>
            <li><a href="">找到我</a></li>
        </ul>
    </div>
</div></nav>

<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="js/jquery-3.1.1.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>

</body>
</html>

阅读 13.8k

<nav class="main-menu navbar-expand-md"> <div class="navbar-collapse show collapse clearfix" id="navbarSupportedContent"> <ul class="navigation clearfix"> <li {pboot:if(0=='{sort:scode}')}class="current"{/pboot:if}><a href="{pboot:sitedomain}/">首页</a></li> {pboot:nav num=10 parent=0} <li class="dropdown"><a href="[nav:link]">[nav:name]</a> {pboot:if([nav:soncount]>0)} <ul> {pboot:2nav num=10 parent=[nav:scode]} <li><a href="[2nav:link]">[2nav:name]</a></li> {/pboot:2nav} </ul> {/pboot:if} </li> {/pboot:nav} </ul> </div> </nav>

bootstrap 中的dropdown点击没有反应

你尚未登录，登录后可以

现在前端bootstrap用的多吗？？？

vue3 入口文件 App.vue中如何设置 viewport？

国内有没有像thinkcmf那样的其它产品？

基于 nuxt3 开发响应式官网，有哪些可同时适配 pc 和 h5 的组件库，也可提供一些建议？