Bootstrap 向右浮动导航栏项目

Question

我正在尝试将导航栏项浮动到右侧而不是左侧这是我用过的 html floats float-right class 我认为 pull-right 已被弃用所以任何可以提供帮助的人都将不胜感激

<header class="container-fluid" id="nav">
      <nav class="navbar navbar-expand-lg ">
          <a class="navbar-brand" href="#">Navbar</a>
          <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
          </button>

          <div class="collapse navbar-collapse mr-auto" id="navbarSupportedContent">
            <ul class="navbar-nav ">
              <li class="nav-item active">
                <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
              </li>
              <li class="nav-item">
                <a class="nav-link" href="#">Link</a>
              </li>
              <li class="nav-item dropdown">
                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                  Dropdown
                </a>
                <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                  <a class="dropdown-item" href="#">Action</a>
                  <a class="dropdown-item" href="#">Another action</a>
                  <div class="dropdown-divider"></div>
                  <a class="dropdown-item" href="#">Something else here</a>
                </div>
              </li>
              <li class="nav-item">
                <a class="nav-link disabled" href="#">Disabled</a>
              </li>
            </ul>
          </div>
        </nav>
  </header>

Answer 1

在右侧为您想要的导航栏项目创建另一个 <ul class="navbar-nav ml-auto">。 ml-auto 会把你的 navbar-nav 拉到右边，而 mr-auto 会把它拉到左边。

<!DOCTYPE html>
<html lang="en">
<head>
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"/>
  <style>
    /* Whosebug preview fix, please ignore */
    .navbar-nav {
      flex-direction: row;
    }
    
    .nav-link {
      padding-right: .5rem !important;
      padding-left: .5rem !important;
    }
  </style>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-primary rounded">
  <a class="navbar-brand" href="#">Navbar</a>
  <ul class="navbar-nav mr-auto">
    <li class="nav-item active">
      <a class="nav-link">Left Link 1</a>
    </li>
    <li class="nav-item">
      <a class="nav-link">Left Link 2</a>
    </li>
  </ul>
  <ul class="navbar-nav ml-auto">
    <li class="nav-item">
      <a class="nav-link">Right Link 1</a>
    </li>
    <li class="navbar-item">
      <a class="nav-link">Right Link 2</a>
    </li>
  </ul>
</nav>
</body>

Answer 2

在<ul class="navbar-nav ">

中添加class“navbar-right”

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