Bootstrap 4.0.0-Beta 2 Navbar多列下拉菜单

时间：2017-12-08 17:33:30

标签： html css bootstrap-4

我正在尝试创建基于Bootstrap 4.0.0-Beta 2的导航栏，其中元素是右对齐的。其中一个元素是多列下拉列表。我得到了下面的代码（来自bootstrap的网站），但在完整页面查看时，我似乎无法使其看起来正确。下拉列表没有像我希望的那样正确显示。如果您尝试使用代码段，您可以自己查看。

＆＃13;
＆＃13; 
    <!doctype html>
    <html lang="en">
      <head>
        <title>Bootstrap Navbar</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous">
      </head>
      <body>
    <nav class="navbar navbar-expand-lg navbar-light bg-light">
      <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" id="navbarSupportedContent">
        <ul class="navbar-nav ml-auto">
          <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">
			<div class="container container-sm">
				<div class="row">
					<div class="col-sm-4">
						<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>
					<div class="col-sm-4">
						<a class="dropdown-item" href="#">Link 4</a>
						<a class="dropdown-item" href="#">Link 5</a>
						<a class="dropdown-item" href="#">Link6</a>
					</div>
					<div class="col-sm-4">
						<a class="dropdown-item" href="#">Link 7</a>
						<a class="dropdown-item" href="#">Link 8</a>
						<a class="dropdown-item" href="#">Link 9</a>
					</div>					
				</div>
			</div>
            </div>
          </li>
          <li class="nav-item">
            <a class="nav-link disabled" href="#">Disabled</a>
          </li>
        </ul>
        <form class="form-inline my-2 my-lg-0">
          <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
          <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
        </form>
      </div>
    </nav>
    
    
        <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/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
      </body>
    </html>
＆＃13;
＆＃13;
＆＃13;

2 个答案:

答案 0 :(得分：1)

    <!doctype html>
    <html lang="en">
      <head>
        <title>Bootstrap Navbar</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb" crossorigin="anonymous">
      </head>
      <body>
    <nav class="navbar navbar-expand-lg navbar-light bg-light">
      <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" id="navbarSupportedContent">
        <ul class="navbar-nav ml-auto">
          <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" style="width:300px" aria-labelledby="navbarDropdown">
			<div class="container container-sm">
				<div class="row">
					<div class="col-sm-4">
						<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>
					<div class="col-sm-4">
						<a class="dropdown-item" href="#">Link 4</a>
						<a class="dropdown-item" href="#">Link 5</a>
						<a class="dropdown-item" href="#">Link6</a>
					</div>
					<div class="col-sm-4">
						<a class="dropdown-item" href="#">Link 7</a>
						<a class="dropdown-item" href="#">Link 8</a>
						<a class="dropdown-item" href="#">Link 9</a>
					</div>					
				</div>
			</div>
            </div>
          </li>
          <li class="nav-item">
            <a class="nav-link disabled" href="#">Disabled</a>
          </li>
        </ul>
        <form class="form-inline my-2 my-lg-0">
          <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
          <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
        </form>
      </div>
    </nav>
    
    
        <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/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
      </body>
    </html>

答案 1 :(得分：0)

<!doctype html>
<html lang="en">
<head>
    <title>Bootstrap Navbar</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
</head>
<body>
    <nav class="navbar navbar-expand-lg navbar-light bg-light">
      <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" id="navbarSupportedContent">
        <ul class="navbar-nav ml-auto">
          <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">
                <div class="d-flex justify-content-sm-between flex-column flex-sm-row">
                    <div>
                        <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>
                    <div>
                        <a class="dropdown-item" href="#">Link 4</a>
                        <a class="dropdown-item" href="#">Link 5</a>
                        <a class="dropdown-item" href="#">Link6</a>
                    </div>
                    <div>
                        <a class="dropdown-item" href="#">Link 7</a>
                        <a class="dropdown-item" href="#">Link 8</a>
                        <a class="dropdown-item" href="#">Link 9</a>
                    </div>
                </div>
            </div>
          </li>
          <li class="nav-item">
            <a class="nav-link disabled" href="#">Disabled</a>
          </li>
        </ul>
        <form class="form-inline my-2 my-lg-0">
          <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
          <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
        </form>
      </div>
    </nav>

    <script type="text/javascript" src="//code.jquery.com/jquery-3.3.1.min.js"></script>
    <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script> 
    <script type="text/javascript" src="//stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</body>
</html>
相关问题
最新问题