Bootstrap 4.0 网格系统布局不起作用 [英] Bootstrap 4.0 Grid System Layout not working
问题描述
我正在尝试使用引导程序进行布局，但我无法弄清楚我做错了什么.我把两列 6 和第二列 6 我把两列 3 放在里面，但它不起作用.我是引导程序的新手.
代码如下:
<头><title></title><link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css"integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQEhJKhk"crossorigin="匿名"><script src="https://code.jquery.com/jquery-3.1.1.slim.min.js"integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin匿名"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js"integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx5Qin1Brankwx"cross<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkizqE+jo0ynG"cross></脚本><style type="text/css"></风格><身体><div class="container-fluid"><div class="容器"><div class="row"><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-left:solid 1px #ffbfbf;">a</div><div class="col-1 col-sm-1 col-md-1 col-xl-1" style="border-right:solid 1px #ffbfbf;border-left:solid 1px #ffbfbf;">a<;/div><div class="容器"><div class="row"><div class="col-12 col-sm-12 col-md-6 col-xl-6" style="border-left:solid 1px #ffbfbf;"><div style="height: 700px;背景颜色:#FF3355；边框半径:15px;">aaaaa</div></div><div class="col-12 col-sm-12 col-md-6 col-xl-6" style="border-left:solid 1px #ffbfbf;"><div class="col-12 col-sm-12 col-md-6 col-xl-6" style="padding-right: 0px; padding-left:0px;border-left: solid 1px #ffbfbf;"><div style="height: 320px; background-color: #FF3355; border-radius: 15px;">a</div></div><div class="col-12 col-sm-12 col-md-6 col-xl-6" style="padding-right: 0px; padding-left:0px;border-left: solid 1px #ffbfbf;"><div style="height: 320px; background-color: #FF3355; border-radius: 15px;">a</div></div><div class="col-12 col-sm-12 col-md-6 col-xl-6" style="padding-right: 0px; padding-left:0px;border-left:solid 1px #ffbfbf;"><div style="height: 320px; background-color: #FF3355; border-radius: 15px;">a</div></div><div class="col-12 col-sm-12 col-md-6 col-xl-6" style="padding-right: 0px; padding-left:0px;border-left: solid 1px #ffbfbf;"><div style="height: 320px; background-color: #FF3355; border-radius: 15px;">a</div></div>
