4 Bootstrap4組件——徽章(Badges)
徽章(Badges)主要用於突出顯示新的或未讀的項。如需使用徽章,只需要將
.badge
類加上帶有指定意義的顏色類 (如 .badge-secondary
) 添加到 <span>
元素上即可。 徽章可以根據父元素的大小的變化而變化:代碼:
<h1>Example heading <span class="badge badge-secondary">New</span></h1>
<h2>Example heading <span class="badge badge-secondary">New</span></h2>
<h3>Example heading <span class="badge badge-secondary">New</span></h3>
<h4>Example heading <span class="badge badge-secondary">New</span></h4>
<h5>Example heading <span class="badge badge-secondary">New</span></h5>
<h6>Example heading <span class="badge badge-secondary">New</span></h6>
效果:
徽章通過使用相對字體大小和 em 單位來縮放以匹配直接父元素的大小,也可以作爲鏈接或按鈕的計數器。代碼如下:
<button type="button" class="btn btn-primary">
Profile <span class="badge badge-light">9</span>
<span class="sr-only">unread messages</span>
</button>
4.1 各種顏色類型的徽章
代碼:
<span class="badge badge-primary">主要</span>
<span class="badge badge-secondary">次要</span>
<span class="badge badge-success">成功</span>
<span class="badge badge-danger">危險</span>
<span class="badge badge-warning">警告</span>
<span class="badge badge-info">信息</span>
<span class="badge badge-light">淺色</span>
<span class="badge badge-dark">深色</span>
效果:
4.2 膠囊徽章
使用 .badge-pill
可以使徽章更圓潤(具有較大的 border-radius
和 附加的水平 padding
)。
示例:
<span class="badge badge-pill badge-default">默認</span>
<span class="badge badge-pill badge-primary">主要</span>
<span class="badge badge-pill badge-success">成功</span>
<span class="badge badge-pill badge-info">信息</span>
<span class="badge badge-pill badge-warning">警告</span>
<span class="badge badge-pill badge-danger">危險</span>
效果: