我在Menubar 上創建了一個下拉選單。我正在使用Bootstrap 5.1來做到這一點。這是一個ASP.NET Core 6 MVC專案。這是片面的看法。確切的代碼如下:
<li class="nav-item dropdown show">
<a class="dropdown-toggle nav-link text-dark" href="#" data-toggle="dropdown">Admin</a>
<div class="dropdown-menu">
<a class="dropdown-item">Categories</a>
<a class="dropdown-item">Media Types</a>
</div>
</li>
但是每當我單擊此鏈接時,下拉選單都不會切換。如果有人能指出問題那將是非常有幫助的。參考視頻附在這里
uj5u.com熱心網友回復:
以上答案全錯。我看過你的視頻,原因是你的代碼使用的是 bootstrap-4,而不是 bootstrap-5。
我已經使用 bootstrap-4 入門模板測驗了您的代碼,現在它可以作業了。
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-zCbKRCUGaJDkqS1kPbPd7TveP5iyJE0EjAuZQTgFLD2ylzuqKfdKlfG/eSrtxUkn" crossorigin="anonymous">
<title>Hello, world!</title>
</head>
<body>
<li class="nav-item dropdown show">
<a class="dropdown-toggle nav-link text-dark" href="#" data-toggle="dropdown">Admin</a>
<div class="dropdown-menu">
<a class="dropdown-item">Categories</a>
<a class="dropdown-item">Media Types</a>
</div>
</li>
<!-- Optional JavaScript; choose one of the two! -->
<!-- Option 1: jQuery and Bootstrap Bundle (includes Popper) -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C OGpamoFVy38MVBnE IbbVYUew OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-fQybjgWLrvvRgtW6bFlB7jaZrFsaBXjsOMm/tB9LTS58ONXgqbR9W8oWht/amnpF" crossorigin="anonymous"></script>
<!-- Option 2: Separate Popper and Bootstrap JS -->
<!--
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C OGpamoFVy38MVBnE IbbVYUew OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU 6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js" integrity="sha384-VHvPCCyXqtD5DqJeNxl2dtTyhF78xXNXdkwX1CZeRusQfRKp tA7hAShOK/B/fQ2" crossorigin="anonymous"></script>
-->
</body>
</html>
在此處檢查入門模板。
如果您確定整個 ASP.NET Core MVC Bootstrap 的版本是 5.1,則您的代碼將無法運行。
uj5u.com熱心網友回復:
你這里有一個錯字:
前
<a class="dropdown-item">>Categories</a>
后
<a class="dropdown-item">Categories</a>
更新
添加到你的錯字,就像@seantsang94121說這里的另一個問題是你在引導程式 5 中使用這個代碼,它只在引導程式 4 中有效,就像他的答案中顯示的例子一樣 ->答案
uj5u.com熱心網友回復:
您必須將 Bootstrap 腳本添加到您的專案中:
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
uj5u.com熱心網友回復:
你需要那些:
<head>
<link
href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css"
rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC"
crossorigin="anonymous"
/>
<script
src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
crossorigin="anonymous"
></script>
<script
src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
integrity="sha384-ApNbgh9B Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
crossorigin="anonymous"
></script>
<script
src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5 76PVCmYl"
crossorigin="anonymous"
></script>
</head>
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標籤:html css asp.net核心 前端 bootstrap-5
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