Bootstrap 4更改列的顺序 [英] Bootstrap 4 change order of columns

问题描述

如何更改Bootstrap 4的flexbox网格系统的列顺序?

How can I change the order of columns for Bootstrap 4's flexbox grid system?

我拥有的代码:

<div class="contents">
  <div class="row row-1">
    <div class="col-sm-6">Content Left</div>
    <div class="col-sm-6">Content Right</div>
  </div>
  <div class="row row-2">
    <div class="col-sm-6">Content Right</div>
    <div class="col-sm-6">Content Left</div>
  </div>
  <div class="row row-3">
    <div class="col-sm-6">Content Left</div>
    <div class="col-sm-6">Content Right</div>
  </div>
  <div class="row row-4">
    <div class="col-sm-6">Content Right</div>
    <div class="col-sm-6">Content Left</div>
  </div>
</div>

我想要设置它，以便每偶数行的列顺序都可以颠倒. 到目前为止，我有CSS:

I want to set it so that every even row would have it's columns orders reversed. CSS I have so far:

.row:nth-child(2n) .col-sm-6:first-child{
   float:right;
}

JSFiddle: https://jsfiddle.net/bq1L3gax/

JSFiddle: https://jsfiddle.net/bq1L3gax/

推荐答案

查看此更新的JSFiddle. https://jsfiddle.net/bq1L3gax/5/

Check out this updated JSFiddle. https://jsfiddle.net/bq1L3gax/5/

您需要做的就是使用CSS order属性.

All you need to do is use the CSS order property.

.row:nth-child(2n) .col-sm-6:first-child {
   order: 2;
}

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