【问题标题】:bootstrap not working properly with visual studio 2017引导程序无法在 Visual Studio 2017 中正常工作
【发布时间】:2019-03-15 21:30:51
【问题描述】:

我尝试在 Visual Studio 2017 中使用引导程序创建轮播。 我使用 NuGet 包管理器安装了 jquery 和引导程序。 为了检查它的工作情况,我为 carousel 生成了一个 bootstrap sn-p。

代码如下:

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8" />
  <title>Homepage</title>
  <link href="Content/bootstrap.min.css" rel="stylesheet" />
</head>

<body>

  <div class="container">
    <div class="row">
      <div id="my-carousel" class="carousel slide" data-ride="carousel">
        <!-- Indicators -->
        <ol class="carousel-indicators">
          <li data-target="#my-carousel" data-slide-to="0" class="active"></li>
          <li data-target="#my-carousel" data-slide-to="1"></li>
          <li data-target="#my-carousel" data-slide-to="2"></li>
        </ol>

        <!-- Wrapper for slides -->
        <div class="carousel-inner" role="listbox">
          <div class="item active">
            <img alt="First slide" src="http://placehold.it/1200x675&text=First+slide">
          </div>
          <div class="item">
            <img alt="Second slide" src="http://placehold.it/1200x675&text=Second+slide">
          </div>
          <div class="item">
            <img alt="Third slide" src="http://placehold.it/1200x675&text=Third+slide">
          </div>
        </div>

        <!-- Controls -->
        <a class="left carousel-control" href="#my-carousel" role="button" data-slide="prev">
          <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
          <span class="sr-only">Previous</span>
        </a>
        <a class="right carousel-control" href="#my-carousel" role="button" data-slide="next">
          <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
          <span class="sr-only">Next</span>
        </a>
      </div>
    </div>
  </div>

  <script src="Scripts/jquery-3.3.1.min.js"></script>
  <script src="Scripts/bootstrap.min.js"></script>

</body>

</html>

上述代码的输出并不像预期的那样,因为所有图片幻灯片都被放置在另一个之下,而不是作为轮播。

【问题讨论】:

  • 在替换旧版本的引导 CDN 时完美运行:maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">

标签: html css bootstrap-4 visual-studio-2017


【解决方案1】:

Bootstrap 4 Carousel 使用正确的结构。

您使用的标记适用于 3.x。例如,.item 现在是 .carousel-item

【讨论】:

    【解决方案2】:

    我想你忘记了proper.js

    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" />
    
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" ></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
    

    <!DOCTYPE html>
    <html>
    
    <head>
      <meta charset="utf-8" />
      <title>Homepage</title>
      <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" />
    </head>
    
    <body>
    
      <div class="container">
        <div class="row">
          <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>
      </ol>
      <div class="carousel-inner">
        <div class="carousel-item active">
          <img class="d-block w-100" src="http://placehold.it/1200x675&text=First+slide" alt="First slide">
        </div>
        <div class="carousel-item">
          <img class="d-block w-100" src="http://placehold.it/1200x675&text=Second+slide" alt="Second slide">
        </div>
        <div class="carousel-item">
          <img class="d-block w-100" src="http://placehold.it/1200x675&text=Third+slide" alt="Third slide">
        </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>
        </div>
      </div>
    
     <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" ></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script></script>
    
    </body>
    
    </html>

    【讨论】:

      【解决方案3】:

      Visual Studio 一定搞砸了路由。检查您的文件结构以确保这些文件确实存在并确保您正确链接到它们。如果这不起作用,您可以随时获取 cdn 或自己获取文件并路由它们。

      【讨论】:

        【解决方案4】:

        不确定这与 Visual Studio 有什么关系 - 但我可以看到您将它们命名为 item 而不是较新的 carousel-item 我在下面的示例中包含了引导 CDN - 所以您可能需要检查你的文件结构,如果它仍然不适合你。

        他是你的榜样,工作但使用 carousel-item 类。

        <!DOCTYPE html>
        <html>
        
        <head>
          <meta charset="utf-8" />
          <title>Homepage</title>
        
          <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
          <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
          <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
        
        </head>
        
        <body>
        
          <div class="container">
            <div class="row">
              <div id="my-carousel" class="carousel slide" data-ride="carousel">
                <!-- Indicators -->
                <ol class="carousel-indicators">
                  <li data-target="#my-carousel" data-slide-to="0" class="active"></li>
                  <li data-target="#my-carousel" data-slide-to="1"></li>
                  <li data-target="#my-carousel" data-slide-to="2"></li>
                </ol>
        
                <!-- Wrapper for slides -->
                <div class="carousel-inner" role="listbox">
                  <div class="carousel-item active">
                    <img alt="First slide" src="http://placehold.it/1200x675&text=First+slide">
                  </div>
                  <div class="carousel-item">
                    <img alt="Second slide" src="http://placehold.it/1200x675&text=Second+slide">
                  </div>
                  <div class="carousel-item">
                    <img alt="Third slide" src="http://placehold.it/1200x675&text=Third+slide">
                  </div>
                </div>
        
                <!-- Controls -->
                <a class="left carousel-control" href="#my-carousel" role="button" data-slide="prev">
                  <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
                  <span class="sr-only">Previous</span>
                </a>
                <a class="right carousel-control" href="#my-carousel" role="button" data-slide="next">
                  <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span>
                  <span class="sr-only">Next</span>
                </a>
              </div>
            </div>
          </div>
        
        
        
        </body>
        
        </html>

        【讨论】:

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