.btn.primary
<a href="" class="btn">按钮</a>
<button type="button" class="btn gray"><i class="icon icon-star"></i></button>
<button type="button" class="btn text-primary">按钮</button>
<button type="button" class="btn primary">按钮</button>
<button type="button" class="btn disabled" disabled>已禁用</button>
<button type="button" class="btn loading loading-light gray">加载中</button>
<button type="button" class="btn gray">按钮 <span class="label success">23</span></button>
<button type="button" class="btn gray has-badge">按钮 <span class="label badge red circle">2</span></button>
.btn.btn-sm
.btn
.btn.btn-lg
外观选项用法参考 基础 > 外观 章节。以下列举按钮的常见用法。