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

这对我来说很有效:

<div class="card card-body " style="height:80% !important">

强迫我们的CSS在bootstrap一般CSS。

其他回答

对于引导5和4

把你所有的卡片放在div中,class="card-deck"

WIDTH -给出你所有卡片的样式{min-width: 50ch}

这对我来说很有效:

<div class="card card-body " style="height:80% !important">

强迫我们的CSS在bootstrap一般CSS。

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>

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:

以下是我的做法:

CSS:

.my-flex-card > div > div.card {
    height: calc(100% - 15px);
    margin-bottom: 15px;
}

HTML:

<div class="row my-flex-card">
    <div class="col-lg-3 col-sm-6">
        <div class="card">
            <div class="card-block">
                aaaa
            </div>
        </div>
    </div>
    <div class="col-lg-3 col-sm-6">
        <div class="card">
            <div class="card-block">
                bbbb
            </div>
        </div>
    </div>
    <div class="col-lg-3 col-sm-6">
        <div class="card">
            <div class="card-block">
                cccc
            </div>
        </div>
    </div>
    <div class="col-lg-3 col-sm-6">
        <div class="card">
            <div class="card-block">
                dddd
            </div>
        </div>
    </div>
</div>