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

我采取了一种稍微不同的方法。使用Card Deck包装器

我添加了一个样式规则来限制卡块的高度:

.card .card-block {max-height:300px;overflow:auto;}

结果如下:

其他回答

如果有人感兴趣,有一个jquery插件叫做:jquery. matchheight .js

https://github.com/liabru/jquery-match-height

matchHeight使所有选定元素的高度完全相等。 它处理了许多导致类似插件失败的边缘情况。

对于一排卡片,我使用:

<div class="row match-height">

然后在站点范围内启用:

$('.row.match-height').each(function() {
   $(this).find('.card').not('.card .card').matchHeight(); // Not .card .card prevents collapsible cards from taking height
});

我遇到过这个问题,大多数人使用jQuery…这是我的解决方案。“别介意,我在这方面只是个初学者……”

.cards-collection {
    .card-item { 
        width: 100%;
        margin: 20px 20px;
        padding:0 ;
        .card {
            border-radius: 10px;
                button {
                    border: inherit;
                }
        }
    }
}
     .container-fluid
         .row.cards-collection.justify-content-center
           .card-item.col-lg-3.col-md-4.col-sm-6.col-11
              .card.h-100

如果任何卡片项的高度是400px(基于它的内容),因为flex-align的默认值是拉伸,那么.card-item(行或卡片收集类的子类)将被拉伸。将卡的高度设置为父卡的100%,就会占据这个高度。

我希望我是对的。我是吗?

更新:在Bootstrap 4中,flexbox现在是默认的,每个卡组行将包含3张卡。卡片将填满高度。

http://codeply.com/go/x91w5Cl6ip

Bootstrap 4 alpha卡片列使用CSS3列,它并不真正支持等高(列填充除外,它只在Firefox中支持)。

如果你启用Bootstrap 4 flexbox模式,你可以使用卡片组和一点CSS来平衡高度,每3列换行一次。

@media (min-width:34em) {
    .card-deck > .card
    {
        width: 29%;
        flex-wrap: wrap;
        flex: initial; 
    }
}

http://codeply.com/go/YFFFWHVoRB

相关的 在列中引导4张相同高度的卡片

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>