开始学习引导4和响应网格系统。下面的代码是我的html。当调整窗口大小时,所有列都能很好地工作,直到我到达xs屏幕大小,并且所有列都会自动跨越12,而不是像我曾经尝试过的4-4-4。试着在网上搜索,但似乎找不到答案。帮助感激。我已经添加了我的结束html标签,它只是没有显示出于某种原因。
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet"/>
<div class="container">
<div class="row">
<div class="col-xs-4 col-sm-8 col-md-12 col-lg-4 box1">1</div>
<div class="col-xs-4 col-sm-2 col-md-6 col-lg-4 box2">2</div>
<div class="col-xs-4 col-sm-2 col-md-6 col-lg-4 box3">3</div>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
integrity="sha384-
KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
crossorigin="anonymous"></script>
<script
src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper
.min.js" integrity="sha384-
ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
crossorigin="anonymous"></script>
<script
src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.
js" integrity="sha384-
JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
crossorigin="anonymous"></script>
发布于 2018-02-07 10:58:47
在引导程序4中,不存在col,而是需要放置一个col-4 https://getbootstrap.com/docs/4.0/layout/grid/。
https://stackoverflow.com/questions/48662010
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