【问题标题】:Fullwidth and multiple columns using flexbox使用 flexbox 的全角和多列
【发布时间】:2016-12-06 01:11:34
【问题描述】:

我正在尝试在同一容器上创建一个具有全角和多列的 flexbox 行。

我尝试过flex-break: after;,但不确定我缺少什么。我试图避免有多个类,如 .fullwidth.multiple-columns

这就是我想要达到的目标:

------------------------
|                      |
|                      |
|       item A         |
|                      |
|                      |
------------------------
|          |           |
|          |           |
|     B    |      C    |
|          |           |
|          |           |
------------------------
|                      |
|                      |
|       item D         |
|                      |
|                      |
------------------------

.collage {
  position: relative;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.fullwidth {
  flex-break: after;
}
.collage-item {
  width: 100%;
  height: 25vw;
  background: url("https://www.audi.co.uk/content/dam/audi/production/Models/NewModelsgallery/A5range/A5_Coupe/MY17/1920x1080_A5-Coupe-2016-side.jpg") no-repeat;
  background-size: cover;
}
.btn {
  position: absolute;
  border: 2px solid white;
  padding: 10px 18px;
  text-align: center;
  right: 8px;
  bottom: 8px;
  color: white;
  text-decoration: none;
}
<div class="collage">
  <!-- fullwidth -->
  <div class="collage-item fullwidth"></div>

  <!-- two columns -->
  <div class="collage-item"></div>
  <div class="collage-item"></div>

  <!-- fullwidth -->
  <div class="collage-item fullwidth"></div>
  <div class="btn">Button</div>
</div>

https://jsfiddle.net/brunodd/ja6820vu/1/

【问题讨论】:

    标签: css flexbox


    【解决方案1】:

    您需要在弹性容器上设置flex-wrap: wrap,然后在全角项目上设置flex: 0 0 100%,在半角项目上设置flex: 0 0 50%。另外你应该添加box-sizing: border-box

    * {
      box-sizing: border-box;
    }
    .collage {
      display: flex;
      flex-wrap: wrap;
    }
    .collage-item {
      border: 1px solid black;
      flex: 0 0 50%;
      padding: 10px;
    }
    .fullwidth {
      flex: 0 0 100%;
    }
    <div class="collage">
      <!-- fullwidth -->
      <div class="collage-item fullwidth">a</div>
    
      <!-- two columns -->
      <div class="collage-item">b</div>
      <div class="collage-item">c</div>
    
      <!-- fullwidth -->
      <div class="collage-item fullwidth">d</div>
    </div>

    【讨论】:

    • 好东西!我完全忘记了border-box 属性。
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