【问题标题】:How to make a Carousel with more than 3 images in Bootstrap?如何在 Bootstrap 中制作超过 3 张图像的轮播?
【发布时间】:2020-05-29 15:04:37
【问题描述】:

我正在尝试在 Bootstrap 中向我的轮播添加更多图像。我最初只是将这个(如下)添加到 class="carousel-indicators" 的有序列表中

      <li data-target="#carouselExampleCaptions" data-slide-to="3"></li>

还有 div class="carousel-inner" 标签内的新幻灯片(下图)以及其他三张初始幻灯片。

     <div class="carousel-inner mx-auto">
        <div class="carousel-item">
          <img src="pic.jpg" class="d-block w-100" alt="pic">
          <div class="carousel-caption d-none d-md-block">
          </div>
       </div>
    </div>

当我运行网站时,滚动浏览轮播,然后到达最后一张图片,它会中断,我无法返回任何以前的图片或继续前进。

我尝试了另一个题为“Bootstrap 4 Multi Carousel show 4 images instead of 3”的问题中列出的代码,这完全破坏了轮播。四张图像中的三张同时出现在屏幕上的一列中,其中一张包含轮播控件。当您按下任何控件时,旋转木马就会消失。

【问题讨论】:

    标签: javascript css bootstrap-4 carousel


    【解决方案1】:

    这是一个 5 张图片的滑块,希望对你有用。

    <!DOCTYPE html>
    <html lang="en">
    
    <head>
      <title>Bootstrap Example</title>
      <meta charset="utf-8">
      <meta name="viewport" content="width=device-width, initial-scale=1">
      <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
      <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
      <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
      <style>
        /* Make the image fully responsive */
        
        .carousel-inner img {
          width: 100%;
          height: 100%;
        }
      </style>
    </head>
    
    <body>
    
      <div id="demo" class="carousel slide" data-ride="carousel">
        <ul class="carousel-indicators">
          <li data-target="#demo" data-slide-to="0" class="active"></li>
          <li data-target="#demo" data-slide-to="1"></li>
          <li data-target="#demo" data-slide-to="2"></li>
                <li data-target="#demo" data-slide-to="3"></li>
                      <li data-target="#demo" data-slide-to="4"></li>
    
        </ul>
        <div class="carousel-inner">
          <div class="carousel-item active">
            <img src="https://images.unsplash.com/photo-1580238047299-558e582427bf?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=420&ixid=eyJhcHBfaWQiOjF9&ixlib=rb-1.2.1&q=80&w=680" alt="slide one" width="1100" height="500">
            <div class="carousel-caption">
              <h3>Slide One</h3>
              <p>Description slide one</p>
            </div>
          </div>
          <div class="carousel-item">
            <img src="https://images.unsplash.com/photo-1572130456602-fed3019a174e?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=420&ixid=eyJhcHBfaWQiOjF9&ixlib=rb-1.2.1&q=80&w=680" alt="slide two" width="1100" height="500">
            <div class="carousel-caption">
              <h3>Slide Two</h3>
              <p>Description slide two</p>
            </div>
          </div>
          <div class="carousel-item">
            <img src="https://images.unsplash.com/photo-1550828553-bb30dc55dc25?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=420&ixid=eyJhcHBfaWQiOjF9&ixlib=rb-1.2.1&q=80&w=680" alt="slide three" width="1100" height="500">
            <div class="carousel-caption">
              <h3>Slide Three</h3>
              <p>Description slide three</p>
            </div>
          </div>
                <div class="carousel-item">
            <img src="https://images.unsplash.com/photo-1504406438164-c0e042535100?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=420&ixid=eyJhcHBfaWQiOjF9&ixlib=rb-1.2.1&q=80&w=680" alt="slide four" width="1100" height="500">
            <div class="carousel-caption">
              <h3>Slide Four</h3>
              <p>Description slide Four</p>
            </div>
          </div>
                      <div class="carousel-item">
            <img src="https://images.unsplash.com/photo-1571407509209-73d3e4a45892?crop=entropy&cs=tinysrgb&fit=crop&fm=jpg&h=420&ixid=eyJhcHBfaWQiOjF9&ixlib=rb-1.2.1&q=80&w=680" alt="slide five" width="1100" height="500">
            <div class="carousel-caption">
              <h3>Slide Five</h3>
              <p>Description slide Five</p>
            </div>
          </div>
        </div>
        <a class="carousel-control-prev" href="#demo" data-slide="prev">
          <span class="carousel-control-prev-icon"></span>
        </a>
        <a class="carousel-control-next" href="#demo" data-slide="next">
          <span class="carousel-control-next-icon"></span>
        </a>
      </div>
    
    </body>
    
    </html>

    【讨论】:

      【解决方案2】:

      这里是一个例子。它来自 Bootstrap 的类。

      <div id="carouselExampleSlidesOnly" class="carousel slide" data-ride="carousel">
        <div class="carousel-inner">
          <div class="carousel-item active">
            <img class="d-block w-100" src="..." alt="First slide">
          </div>
          <div class="carousel-item">
            <img class="d-block w-100" src="..." alt="Second slide">
          </div>
          <div class="carousel-item">
            <img class="d-block w-100" src="..." alt="Third slide">
          </div>
        </div>
      </div>
      

      【讨论】:

      • 您提到的代码与问题无关。是的,它是关于 Carousel,但问题是关于添加超过 3 个图像,而您的代码只添加 3 个图像。
      【解决方案3】:

      下面的代码显示了一个带有 5 张图片的轮播。

      <div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
              <ol class="carousel-indicators">
                <li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
                <li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
                <li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
                <li data-target="#carouselExampleIndicators" data-slide-to="3"></li>
                <li data-target="#carouselExampleIndicators" data-slide-to="4"></li>
              </ol>
              <div class="carousel-inner">
                <div class="carousel-item active">
                  <img class="d-block w-100" src="1.jpg" alt="First slide">
                      <div class="carousel-caption d-none d-md-block">
                          <h5>...</h5>
                          <p>...</p>
                      </div>
                </div>
                <div class="carousel-item">
                  <img class="d-block w-100" src="2.jpg" alt="Second slide">
                  <div class="carousel-caption d-none d-md-block">
                      <h5>...</h5>
                      <p>...</p>
                  </div>
                </div>
                <div class="carousel-item">
                  <img class="d-block w-100" src="3.jpg" alt="Third slide">
                  <div class="carousel-caption d-none d-md-block">
                      <h5>...</h5>
                      <p>...</p>
                  </div>
                </div>
                <div class="carousel-item">
                  <img class="d-block w-100" src="4.jpg" alt="Fourth slide">
                  <div class="carousel-caption d-none d-md-block">
                      <h5>...</h5>
                      <p>...</p>
                  </div>
                </div>
                <div class="carousel-item">
                  <img class="d-block w-100" src="5.jpg" alt="Fifth slide">
                  <div class="carousel-caption d-none d-md-block">
                      <h5>...</h5>
                      <p>...</p>
                  </div>
                </div>
              </div>
              <a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
                <span class="carousel-control-prev-icon" aria-hidden="true"></span>
                <span class="sr-only">Previous</span>
              </a>
              <a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
                <span class="carousel-control-next-icon" aria-hidden="true"></span>
                <span class="sr-only">Next</span>
              </a>
            </div>
      

      【讨论】:

      • 这个例子很棒,但如果你包含你正在链接的引导程序版本,它会更有帮助。你还链接了什么脚本。
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