在 Visual Studio 中,我创建一个新的 ASP.Net Core Web 应用程序
然后我添加一个下拉菜单(根据 Bootstrap 文档)https://getbootstrap.com/docs/5.1/components/navbar/ https://getbootstrap.com/docs/5.1/components/navbar/
html 代码的标头部分如下所示:
<header>
<nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
<div class="container">
<a class="navbar-brand" asp-area="" asp-page="/Index">WebApplication1</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse" aria-controls="navbarSupportedContent"
aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="navbar-collapse collapse d-sm-inline-flex flex-sm-row-reverse">
<ul class="navbar-nav flex-grow-1">
<li class="nav-item">
<a class="nav-link text-dark" asp-area="" asp-page="/Index">Home</a>
</li>
<li class="nav-item">
<a class="nav-link text-dark" asp-area="" asp-page="/Privacy">Privacy</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
Dropdown
</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdown">
<li><a class="dropdown-item" href="#">Action</a></li>
<li><a class="dropdown-item" href="#">Another action</a></li>
<li><hr class="dropdown-divider"></li>
<li><a class="dropdown-item" href="#">Something else here</a></li>
</ul>
</li>
</ul>
</div>
</div>
</nav>
</header>
但下拉菜单不起作用。当我点击它时,没有出现下拉菜单:https://i.stack.imgur.com/szrE4.png https://i.stack.imgur.com/szrE4.png
在 Bootstrap 5.1 中,对于下拉菜单,
✅ data-bs-toggle="下拉菜单"
❌数据切换=“下拉”
在 Bootstrap 4.0 中,对于下拉菜单,
✅ 数据切换=“下拉”
❌data-bs-toggle="下拉菜单"
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