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Bootstrap4 导航

Bootstrap offre un metodo semplice e veloce per creare componenti di navigazione di base, come etichette e pillole, che sono molto flessibili e belle. Tutti i componenti di navigazione di Bootstrap (schede e pillole) condividono la stessa etichetta di base e stili attraverso la classe .nav.

Se desideri creare una barra di navigazione orizzontale semplice, aggiungi .classe nav, aggiungi .classe nav-item a ogni <li> opzione, aggiungi .classe nav-link a ogni link:

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Navigazione</h2>
  <p>Navigazione orizzontale semplice:</p>
  <ul class="nav">
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Modalità di allineamento della navigazione

.justify-content-center classe imposta per visualizzazione centrata della navigazione, .justify-content-end classe imposta per allineamento a destra della navigazione.

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Navigazione</h2>
  <p>Navigazione a sinistra (predefinita):</p>
  <ul class="nav">
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
  
  <p class="text-center">Navigazione al centro:</p>
  <ul class="nav justify-content-center">
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
    
  <p class="text-right">Navigazione a destra:</p>
  <ul class="nav justify-content-end">
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Navigazione verticale

.La classe .flex-column viene utilizzata per creare una navigazione verticale:

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Navigazione verticale</h2>
  <p>La classe .flex-column viene utilizzata per creare una navigazione verticale:</p>
  <ul class="nav flex-column">
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Schede

Utilizzando la classe .nav-tabs è possibile trasformare la navigazione in schede. Quindi per contrassegnare l'opzione selezionata si utilizza la classe .active.

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Schede</h2>
  <p>Navigazione a schede:</p>
  <ul class="nav nav-tabs">
    <li class="nav-item">
      <a class="nav-link active" href="#">Attivo</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Barra di navigazione a pillole

.La classe .nav-pills può impostare le voci di navigazione in forma di pillole.

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Pille</h2>
  <p>Barra di navigazione a pillole:</p>
  <ul class="nav nav-pills">
    <li class="nav-item">
      <a class="nav-link active" href="#">Attivo</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Navigazione a larghezza uguale

.La classe .nav-justified può impostare la visualizzazione a larghezza uguale delle voci di navigazione.

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Navigazione a larghezza uguale</h2>
  <p>La classe .nav-justified può impostare la visualizzazione a larghezza uguale delle voci di navigazione.</p>
  <ul class="nav nav-pills nav-justified">
    <li class="nav-item">
      <a class="nav-link active" href="#">Attivo</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul><br>
  <p>Tab schede giustificate:</p>
  <ul class="nav nav-tabs nav-justified">
    <li class="nav-item">
      <a class="nav-link active" href="#">Attivo</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Barra di navigazione a pillole con discesa

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Barra di navigazione a pillole con discesa</h2>
  <ul class="nav nav-pills">
    <li class="nav-item">
      <a class="nav-link active" href="#">Attivo</a>
    </li>
    <li class="nav-item dropdown">
      <a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#">Menu a discesa</a>
      <div class="dropdown-menu">
        <a class="dropdown-item" href="#">Link 1</a>
        <a class="dropdown-item" href="#">Link 2</a>
        <a class="dropdown-item" href="#">Link 3</a></div>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Menu a schede con discesa

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Menu a schede con discesa</h2>
  <ul class="nav nav-tabs">
    <li class="nav-item">
      <a class="nav-link active" href="#">Attivo</a>
    </li>
    <li class="nav-item dropdown">
      <a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#">Menu a discesa</a>
      <div class="dropdown-menu">
        <a class="dropdown-item" href="#">Link 1</a>
        <a class="dropdown-item" href="#">Link 2</a>
        <a class="dropdown-item" href="#">Link 3</a></div>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#">Link</a>
    </li>
    <li class="nav-item">
      <a class="nav-link disabled" href="#">Disabilitato</a>
    </li>
  </ul>
</div>
</body>
</html>
测试看看 ‹/›

Schede dinamiche

Se desideri impostare schede dinamiche e scorribili, aggiungi l'attributo data-toggle="tab" a ogni link. Poi aggiungi la classe .tab-pane al contenuto corrispondente di ogni scheda.

Se desideri un effetto di dissolvenza, aggiungi .tab-pane dopo .tab-pane   .classe fade:

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>Scorrimento schede</h2>
  <br>
  <!-- Nav tabs -->
  <ul class="nav nav-tabs" role="tablist">
    <li class="nav-item">
      <a class="nav-link active" data-toggle="tab" href="#home">Home</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" data-toggle="tab" href="#menu1">Menu 1</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" data-toggle="tab" href="#menu2">Menu 2</a>
    </li>
  </ul>
  <!-- Tab panes -->
  <div class="tab-content">
    <div id="home" class="container tab-pane active"><br>
      <h2>HOME</h2>
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
    </div>
    <div id="menu1" class="container tab-pane fade"><br>
      <h2>Menu 1</h2>
      <p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
    </div>
    <div id="menu2" class="container tab-pane fade"><br>
      <h2>Menu 2</h2>
      <p>Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam.</p>
    </div>
  </div>
</div>
</body>
</html>
测试看看 ‹/›

Schede dinamiche a guscio

Per creare schede dinamiche a guscio, è sufficiente sostituire data-toggle in Impostare l'attributo data-toggle="pill":

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap esempio</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
  <h2>选项卡切换胶囊</h2>
  <br>
  <!-- Nav pills -->
  <ul class="nav nav-pills" role="tablist">
    <li class="nav-item">
      <a class="nav-link active" data-toggle="pill" href="#home">Home</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" data-toggle="pill" href="#menu1">Menu 1</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" data-toggle="pill" href="#menu2">Menu 2</a>
    </li>
  </ul>
  <!-- Tab panes -->
  <div class="tab-content">
    <div id="home" class="container tab-pane active"><br>
      <h2>HOME</h2>
      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
    </div>
    <div id="menu1" class="container tab-pane fade"><br>
      <h2>Menu 1</h2>
      <p>Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
    </div>
    <div id="menu2" class="container tab-pane fade"><br>
      <h2>Menu 2</h2>
      <p>Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam.</p>
    </div>
  </div>
</div>
</body>
</html>
测试看看 ‹/›