<div class="btn-group">
<a href="{{ url('admin_live_course', {status: 'underway'}) }}" type="button" class="btn btn-default btn-sm {% if status == 'underway'%}btn-primary{% endif %}">当前进行中</a>
<a href=" {{ url('admin_live_course', {status: 'coming'}) }}" type="button" class="btn btn-default btn-sm {% if status == 'coming'%}btn-primary{% endif %}">即将开始的</a>
<a href=" {{ url('admin_live_course', {status: 'end'}) }}" type="button" class="btn btn-default btn-sm {% if status == 'end'%}btn-primary{% endif %}">已结束的</a>
</div>