答案 0 :(得分:0)
阅读BS文档中的Nesting columns。另请阅读Responsive column resets。
更直接地回答您的问题 - 这就是您所需要的:
<div class="container">
<div class="row">
<div class="col-sm-4">
1.1
</div>
<div class="col-sm-4">
1.2
</div>
<div class="col-sm-4">
1.3
</div>
<div class="clearfix"></div>
<div class="col-sm-8">
2.1
</div>
<div class="col-sm-4">
<div class="row">
<div class="col-sm-12">
2.2T
</div>
<div class="col-sm-12">
2.2B
</div>
</div>
</div>
<div class="clearfix"></div>
<div class="col-sm-4">
3.1
</div>
<div class="col-sm-4">
3.2
</div>
<div class="col-sm-4">
3.3
</div>
<div class="clearfix"></div>
<div class="col-sm-4">
<div class="row">
<div class="col-sm-12">
4.1T
</div>
<div class="col-sm-12">
4.1T
</div>
</div>
</div>
<div class="col-sm-8">
4.2
</div>
</div>
</div>