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twitter-bootstrap - Bootstrap 轮播全屏

转载 作者：行者123 更新时间：2023-12-03 06:13:34 25 4
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我试图让 Bootstrap 轮播中的图像显示全屏，但一直无法弄清楚，我已经为此工作了一段时间，但完全陷入困境。现在我只有一张图像，但一旦它起作用我会添加更多......

<!DOCTYPE html>

<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Carousel Template &middot; Bootstrap</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="">

    <!-- Le styles -->
    <link href="../assets/css/bootstrap.css" rel="stylesheet">
    <link href="../assets/css/bootstrap-responsive.css" rel="stylesheet">
    <style>

    /* GLOBAL STYLES
    -------------------------------------------------- */
    /* Padding below the footer and lighter body text */

    body {
      color: #5a5a5a;
      height: 100%;
      width: 100%;
      min-height: 100%;
    }



    /* CUSTOMIZE THE NAVBAR
    -------------------------------------------------- */

    /* Special class on .container surrounding .navbar, used for positioning it into place. */
    .navbar-wrapper {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      z-index: 10;
      margin-top: 20px;
    }
    .navbar-wrapper .navbar {

    }

    /* Remove border and change up box shadow for more contrast */
    .navbar .navbar-inner {
      border: 0;
      -webkit-box-shadow: 0 2px 10px rgba(0,0,0,.25);
         -moz-box-shadow: 0 2px 10px rgba(0,0,0,.25);
              box-shadow: 0 2px 10px rgba(0,0,0,.25);
    }

    /* Downsize the brand/project name a bit */
    .navbar .brand {
      padding: 14px 20px 16px; /* Increase vertical padding to match navbar links */
      font-size: 16px;
      font-weight: bold;
      text-shadow: 0 -1px 0 rgba(0,0,0,.5);
    }

    /* Navbar links: increase padding for taller navbar */
    .navbar .nav > li > a {
      padding: 15px 20px;
    }

    /* Offset the responsive button for proper vertical alignment */
    .navbar .btn-navbar {
      margin-top: 10px;
    }



    /* CUSTOMIZE THE CAROUSEL
    -------------------------------------------------- */

    /* Carousel base class */
    .carousel {
      margin-bottom: 0px;
    }

    .carousel .container {
      position: relative;
      z-index: 9;
    }

    .carousel .item {
      height: 100%;
    }

    .carousel-inner {
      overflow:hidden;
      width: 100%;
      min-height: 100%;
      position:relative;
    }

    .carousel img {
      position: absolute;
      top: 0;
      left: 0;
      min-width: 100%;
      min-height: 100%;
    }

    .carousel-caption {
      background-color: transparent;
      position: static;
      max-width: 550px;
      padding: 0 20px;
      margin-top: 200px;
    }
    .carousel-caption h1,
    .carousel-caption .lead {
      margin: 0;
      line-height: 1.25;
      color: #fff;
      text-shadow: 0 1px 1px rgba(0,0,0,.4);
    }
    .carousel-caption .btn {
      margin-top: 10px;
    }


    /* RESPONSIVE CSS
    -------------------------------------------------- */

    @media (max-width: 979px) {

      .container.navbar-wrapper {
        margin-bottom: 0;
        width: auto;
      }
      .navbar-inner {
        border-radius: 0;
        margin: -20px 0;
      }

      .carousel img {
        width: auto;
        height: 500px;
      }

      .featurette {
        height: auto;
        padding: 0;
      }
      .featurette-image.pull-left,
      .featurette-image.pull-right {
        display: block;
        float: none;
        max-width: 40%;
        margin: 0 auto 20px;
      }
    }


    @media (max-width: 767px) {

      .navbar-inner {
        margin: -20px;
      }

      .carousel {
        margin-left: -20px;
        margin-right: -20px;
      }
      .carousel img {
        height: 300px;
      }
      .carousel-caption {
        width: 65%;
        padding: 0 70px;
        margin-top: 100px;
      }
      .carousel-caption h1 {
        font-size: 30px;
      }
      .carousel-caption .lead,
      .carousel-caption .btn {
        font-size: 18px;
      }

      .marketing .span4 + .span4 {
        margin-top: 40px;
      }

      .featurette-heading {
        font-size: 30px;
      }
      .featurette .lead {
        font-size: 18px;
        line-height: 1.5;
      }

    }
    </style>

    <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
    <!--[if lt IE 9]>
      <script src="../assets/js/html5shiv.js"></script>
    <![endif]-->

    <!-- Fav and touch icons -->
    <link rel="apple-touch-icon-precomposed" sizes="144x144" href="../assets/ico/apple-touch-icon-144-precomposed.png">
    <link rel="apple-touch-icon-precomposed" sizes="114x114" href="../assets/ico/apple-touch-icon-114-precomposed.png">
      <link rel="apple-touch-icon-precomposed" sizes="72x72" href="../assets/ico/apple-touch-icon-72-precomposed.png">
                    <link rel="apple-touch-icon-precomposed" href="../assets/ico/apple-touch-icon-57-precomposed.png">
                                   <link rel="shortcut icon" href="../assets/ico/favicon.png">
  </head>

  <body>



    <!-- NAVBAR
    ================================================== -->
    <div class="navbar-wrapper">
      <!-- Wrap the .navbar in .container to center it within the absolutely positioned parent. -->
      <div class="container">

        <div class="navbar navbar-inverse">
          <div class="navbar-inner">
            <!-- Responsive Navbar Part 1: Button for triggering responsive navbar (not covered in tutorial). Include responsive CSS to utilize. -->
            <button type="button" class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
            <a class="brand" href="#">Treyca</a>
            <!-- Responsive Navbar Part 2: Place all navbar contents you want collapsed withing .navbar-collapse.collapse. -->
            <div class="nav-collapse collapse">
              <ul class="nav">
                <li class="active"><a href="#">Home</a></li>
                <li><a href="#about">About</a></li>
                <li><a href="fluid.html">Beta</a></li>
                <li><a href="#contact">Contact</a></li>
                <!-- Read about Bootstrap dropdowns at http://twitter.github.com/bootstrap/javascript.html#dropdowns -->
                <li class="dropdown">
                  <a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown <b class="caret"></b></a>
                  <ul class="dropdown-menu">
                    <li><a href="#">Action</a></li>
                    <li><a href="#">Another action</a></li>
                    <li><a href="#">Something else here</a></li>
                    <li class="divider"></li>
                    <li class="nav-header">Nav header</li>
                    <li><a href="#">Separated link</a></li>
                    <li><a href="#">One more separated link</a></li>
                  </ul>
                </li>
              </ul>
            </div><!--/.nav-collapse -->
          </div><!-- /.navbar-inner -->
        </div><!-- /.navbar -->

      </div> <!-- /.container -->
    </div><!-- /.navbar-wrapper -->



    <!-- Carousel
    ================================================== -->
    <div id="myCarousel" class="carousel slide">
      <div class="carousel-inner">
        <div class="item active">
          <img src="../assets/img/examples/Bar-1.jpg" alt="">
          <div class="container">
            <div class="carousel-caption">
              <h1>Example headline.</h1>
              <p class="lead">Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
              <a class="btn btn-large btn-primary" href="#">Sign up today</a>
            </div>
          </div>
        </div>
      </div>
      <!-- FOOTER -->
      <footer>
        <p>&copy; 2013 Company, Inc. &middot; <a href="#">Privacy</a> &middot; <a href="#">Terms</a></p>
      </footer>
    </div><!-- /.carousel -->

    <!-- Le javascript
    ================================================== -->
    <!-- Placed at the end of the document so the pages load faster -->
    <script src="../assets/js/jquery.js"></script>
    <script src="../assets/js/bootstrap-transition.js"></script>
    <script src="../assets/js/bootstrap-alert.js"></script>
    <script src="../assets/js/bootstrap-modal.js"></script>
    <script src="../assets/js/bootstrap-dropdown.js"></script>
    <script src="../assets/js/bootstrap-scrollspy.js"></script>
    <script src="../assets/js/bootstrap-tab.js"></script>
    <script src="../assets/js/bootstrap-tooltip.js"></script>
    <script src="../assets/js/bootstrap-popover.js"></script>
    <script src="../assets/js/bootstrap-button.js"></script>
    <script src="../assets/js/bootstrap-collapse.js"></script>
    <script src="../assets/js/bootstrap-carousel.js"></script>
    <script src="../assets/js/bootstrap-typeahead.js"></script>
    <script>
      !function ($) {
        $(function(){
          // carousel demo
          $('#myCarousel').carousel()
        })
      }(window.jQuery)
    </script>
    <script src="../assets/js/holder/holder.js"></script>

    <style>
        body {
                background-color: black;
                color: #FFFFFF;
            }
    </style>
  </body>
</html>

最佳答案

更新 Bootstrap 4

Bootstrap 4 具有 utility classes，可以更轻松地创建全屏轮播。例如，在 carousel-item 内容上使用 min-vh-100 类...

<div class="carousel slide" data-ride="carousel">
      <div class="carousel-inner bg-info" role="listbox">
            <div class="carousel-item active">
                <div class="d-flex align-items-center justify-content-center min-vh-100">
                    <h1 class="display-1">ONE</h1>
                </div>
            </div>
      </div>
</div>

Full screen carousel demo

这可以使轮播项目全屏，但包含具有特定尺寸和长宽比的图像或视频的轮播项目需要进一步考虑。

由于视口(viewport)高宽比可能与图像或视频高宽比不同，因此通常使用背景图像或object-fit将图像和视频调整为“完整”屏幕”。对于视频，请根据视频比例(21:9、19:9 等...)使用 Bootstrap responsive embed classes。

Full screen videos demo

另请参阅:https://stackoverflow.com/a/58765043/171456

<小时/>

原始答案(Bootstrap 3)

确保轮播项目内的 img 设置为高度和宽度 100%。您还必须确保轮播和任何 .item 容器(html、body)都是 100%...

html,body{height:100%;}
.carousel,.item,.active{height:100%;}
.carousel-inner{height:100%;}

Boostrap 3 Full Screen Carousel Demo

以下是 Bootstrap 3.x 的示例: http://www.codeply.com/go/2tVXo3mAtV

关于twitter-bootstrap - Bootstrap 轮播全屏，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/16350902/

25 4 0
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