如何将列与flexbox对齐? [英] How to align columns with flexbox?

问题描述

我目前正在学习Flexbox布局，但找不到解决我问题的方法.

I am currently learning Flexbox Layout and I can not find a solution to my problem.

我尝试使用justify-content和flex-basis，但是它不起作用.有人有解决方案吗?

I tried with justify-content and flex-basis but it does not work. Does anyone have the solution ?

我想要的结果:

section {
  display: flex;
  margin: 0 auto;
  justify-content: space-between;
}

.column {
  width: 100%;
  background-color: #e2e2e2;
  padding: 1%;
  margin: 1%;
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 0;

}

#first {
  flex-grow: 2;
  flex-shrink: 2;
  flex-basis: 0;
}

<section>
  <div class="column" id="first">First</div>
  <div class="column" id="second">Second</div>
  <div class="column">Third</div>
</section>
<section>
  <div class="column">First</div>
  <div class="column">Second</div>
  <div class="column">Third</div>
  <div class="column">Fourth</div>
</section>

https://jsfiddle.net/qdsbacvn/

推荐答案

这是CSS网格的理想用例，不需要大量复杂的代码:

This is a perfect use case for CSS grid where you don't need a lot of complex code:

section {
  display: grid;
  margin: 2% auto;
  grid-gap:2%;
  grid-template-columns:repeat(4,1fr);
}

.column {
  background-color: #e2e2e2;
  padding: 5px;
}

#first {
  grid-column:span 2;
}

<section>
  <div class="column" id="first">First</div>
  <div class="column" id="second">Second</div>
  <div class="column">Third</div>
</section>
<section>
  <div class="column">First</div>
  <div class="column">Second</div>
  <div class="column">Third</div>
  <div class="column">Fourth</div>
</section>

使用flexbox，您可以尝试以下操作:

With flexbox you can try the following:

section {
  display: flex;
}

.column {
  background-color: #e2e2e2;
  padding: 1%;
  margin: 1%;
  flex-grow: 1;
  flex-basis: 0;
}

#first {
  flex-grow: 2;
  flex-basis:4%; /*2 x (padding + margin)*/
}

<section>
  <div class="column" id="first">First</div>
  <div class="column" id="second">Second</div>
  <div class="column">Third</div>
</section>
<section>
  <div class="column">First</div>
  <div class="column">Second</div>
  <div class="column">Third</div>
  <div class="column">Fourth</div>
</section>

由于您使用的是flex-basis:0，因此在计算可用空间之前仅考虑填充/边距.诀窍是要确保在两种情况下我们都具有相同的可用空间，从而在大元素的flex-basis中添加在第一种情况下不存在的边距/填充.

Since your are using flex-basis:0 only padding/margin are considered before calculating the free space. The trick is to make sure we have the same free space in both situation thus we add to flex-basis of the big element the margin/padding that aren't present in the first case.

这篇关于如何将列与flexbox对齐?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！