我使用引导4 alpha 2和利用卡。 具体来说,我正在处理这个来自官方文档的例子。我怎样才能使所有的卡片都是相同的高度?

我现在能想到的就是设置下面的CSS规则:

.card {
    min-height: 200px;
}

但这只是一个硬编码的解决方案,在一般情况下是行不通的。 在我的视图中的代码与文档中的代码相同,即:

<div class="card-columns">
  <div class="card">
    <img class="card-img-top" data-src="..." alt="Card image cap">
    <div class="card-block">
      <h4 class="card-title">Card title that wraps to a new line</h4>
      <p class="card-text">This is a longer card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
    </div>
  </div>
  <div class="card card-block">
    <blockquote class="card-blockquote">
      <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.</p>
      <footer>
        <small class="text-muted">
          Someone famous in <cite title="Source Title">Source Title</cite>
        </small>
      </footer>
    </blockquote>
  </div>
  <div class="card">
    <img class="card-img-top" data-src="..." alt="Card image cap">
    <div class="card-block">
      <h4 class="card-title">Card title</h4>
      <p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
      <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
    </div>
  </div>
  <div class="card card-block card-inverse card-primary text-xs-center">
    <blockquote class="card-blockquote">
      <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat.</p>
      <footer>
        <small>
          Someone famous in <cite title="Source Title">Source Title</cite>
        </small>
      </footer>
    </blockquote>
  </div>
  <div class="card card-block text-xs-center">
    <h4 class="card-title">Card title</h4>
    <p class="card-text">This card has supporting text below as a natural lead-in to additional content.</p>
    <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
  </div>
  <div class="card">
    <img class="card-img" data-src="..." alt="Card image">
  </div>
  <div class="card card-block text-xs-right">
    <blockquote class="card-blockquote">
      <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante.</p>
      <footer>
        <small class="text-muted">
          Someone famous in <cite title="Source Title">Source Title</cite>
        </small>
      </footer>
    </blockquote>
  </div>
  <div class="card card-block">
    <h4 class="card-title">Card title</h4>
    <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This card has even longer content than the first to show that equal height action.</p>
    <p class="card-text"><small class="text-muted">Last updated 3 mins ago</small></p>
  </div>
</div>

当前回答

您可以添加d-flex和flex-column的div与卡体。

下面是一个工作示例:

<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap-grid.min.css" rel="stylesheet" /> <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css" rel="stylesheet" /> <div class="container"> <div class="row"> <div class="col-4 d-flex align-self-stretch"> <div class="card shadow-sm mb-4"> <img src="https://placehold.it/500x300" class="card-img-top" alt=""> <div class="card-body d-flex flex-column"> <h5 class="card-title text-uppercase">Longer title here that wraps two lines</h5> <p class="text-muted">Lorem ipsum dolor </p> <div class="mt-auto border border-danger"> <p class="text-uppercase mb-0">Hello World!</p> <p class="text-uppercase">consectetur adipiscing elit</p> <a href="#" class="btn btn-info btn-block">CTA</a> </div> </div> </div> </div> <div class="col-4 d-flex align-self-stretch"> <div class="card shadow-sm mb-4"> <img src="https://placehold.it/500x300" class="card-img-top" alt=""> <div class="card-body d-flex flex-column"> <h5 class="card-title text-uppercase">Smaller title here that wraps 1 line</h5> <p class="text-muted">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p> <div class="mt-auto border border-danger"> <p class="text-uppercase mb-0">Hello World!</p> <p class="text-uppercase">adipiscing </p> <a href="#" class="btn btn-info btn-block">CTA</a> </div> </div> </div> </div> <div class="col-4 d-flex align-self-stretch"> <div class="card shadow-sm mb-4"> <img src="https://placehold.it/500x300" class="card-img-top" alt=""> <div class="card-body d-flex flex-column"> <h5 class="card-title text-uppercase">Longer title here that wraps 3 lines, Lorem ipsum dolor sit amet, consectetur adipiscing elit</h5> <p class="text-muted">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p> <div class="mt-auto border border-danger"> <p class="text-uppercase mb-0">Hello World!</p> <a href="#" class="btn btn-info btn-block">CTA</a> </div> </div> </div> </div> </div> </div>

其他回答

Bootstrap 4有你需要的一切:使用.d-flex和.flex-fill类。不要使用卡片组,因为他们没有反应。 我使用了col-sm,你可以使用你想要的col类,或者使用col-lg-x, x表示宽度列的数量,例如4或3,如果帖子有很多,那么每列3或4

尝试将浏览器窗口缩小到XS以查看它的运行情况:

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" /> <link href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,500,500i,700,700i" rel="stylesheet"> <div class="container"> <div class="row my-4"> <div class="col"> <div class="jumbotron"> <h1>Bootstrap 4 Cards all same height demo</h1> <p class="lead">by djibe.</p> <span class="text-muted">(thx to BS4)</span> <p>Dependencies : standard BS4</p> <p> Enjoy the magic of flexboxes and leave the useless card-decks. </p> <div class="container-fluid"> <div class="row"> <div class="col-sm d-flex"> <div class="card card-body flex-fill"> A small card content. </div> </div> <div class="col-sm d-flex"> <div class="card card-body flex-fill"> "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum." </div> </div> <div class="col-sm d-flex"> <div class="card card-body flex-fill"> Another small card content. </div> </div> </div> </div> </div> </div> </div>

斯菲德尔

只需要用CSS添加你想要的高度,示例:

.card{
    height: 350px;
}

您必须添加自己的CSS。

如果你检查文档,这是为砖石风格-这一点是他们不都是相同的高度。

你可以应用h-100级别,代表高度100%。

您可以添加d-flex和flex-column的div与卡体。

下面是一个工作示例:

<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap-grid.min.css" rel="stylesheet" /> <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css" rel="stylesheet" /> <div class="container"> <div class="row"> <div class="col-4 d-flex align-self-stretch"> <div class="card shadow-sm mb-4"> <img src="https://placehold.it/500x300" class="card-img-top" alt=""> <div class="card-body d-flex flex-column"> <h5 class="card-title text-uppercase">Longer title here that wraps two lines</h5> <p class="text-muted">Lorem ipsum dolor </p> <div class="mt-auto border border-danger"> <p class="text-uppercase mb-0">Hello World!</p> <p class="text-uppercase">consectetur adipiscing elit</p> <a href="#" class="btn btn-info btn-block">CTA</a> </div> </div> </div> </div> <div class="col-4 d-flex align-self-stretch"> <div class="card shadow-sm mb-4"> <img src="https://placehold.it/500x300" class="card-img-top" alt=""> <div class="card-body d-flex flex-column"> <h5 class="card-title text-uppercase">Smaller title here that wraps 1 line</h5> <p class="text-muted">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p> <div class="mt-auto border border-danger"> <p class="text-uppercase mb-0">Hello World!</p> <p class="text-uppercase">adipiscing </p> <a href="#" class="btn btn-info btn-block">CTA</a> </div> </div> </div> </div> <div class="col-4 d-flex align-self-stretch"> <div class="card shadow-sm mb-4"> <img src="https://placehold.it/500x300" class="card-img-top" alt=""> <div class="card-body d-flex flex-column"> <h5 class="card-title text-uppercase">Longer title here that wraps 3 lines, Lorem ipsum dolor sit amet, consectetur adipiscing elit</h5> <p class="text-muted">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p> <div class="mt-auto border border-danger"> <p class="text-uppercase mb-0">Hello World!</p> <a href="#" class="btn btn-info btn-block">CTA</a> </div> </div> </div> </div> </div> </div>

我正在使用Bootstrap 4 (Beta 2)。与此同时,情况似乎发生了变化。我也遇到了同样的问题,但我找到了一个简单的解决方法。这是我的代码:

<div class="container-fluid content-row">
    <div class="row">
        <div class="col-sm-12 col-lg-6">
            <div class="card h-100">
                … content card …
            </div>
        </div>
        … all the other cards … 
    </div>
</div>

使用“col-sm-12 col-lg-6”,我使卡片具有响应性。使用“card h-100”,我将所有卡片设置为它们的父列的高度。在我的系统上这是可行的,但我不是专业的。希望我能帮到别人。