Bootstrap4 徽章（Badges）

徽章（Badges）主要用于突出显示新的或未读的项。如需使用徽章，只需要将 .badge 类加上带有指定意义的颜色类 (如 .badge-secondary) 添加到 <span> 元素上即可。 徽章可以根据父元素的大小的变化而变化:

实例

<
h1
>
测试标题
<
span

class
=
"
badge badge-secondary
"
>
New
</
span
>
</
h1
>

<
h2
>
测试标题
<
span

class
=
"
badge badge-secondary
"
>
New
</
span
>
</
h2
>

<
h3
>
测试标题
<
span

class
=
"
badge badge-secondary
"
>
New
</
span
>
</
h3
>

<
h4
>
测试标题
<
span

class
=
"
badge badge-secondary
"
>
New
</
span
>
</
h4
>

<
h5
>
测试标题
<
span

class
=
"
badge badge-secondary
"
>
New
</
span
>
</
h5
>

<
h6
>
测试标题
<
span

class
=
"
badge badge-secondary
"
>
New
</
span
>
</
h6
>

尝试一下 »

各种颜色类型的徽章

以下列出了所有颜色类型的徽章:

实例

<
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
"
>
危险
</
span
>

<
span

class
=
"
badge badge-warning
"
>
警告
</
span
>

<
span

class
=
"
badge badge-info
"
>
信息
</
span
>

<
span

class
=
"
badge badge-light
"
>
浅色
</
span
>

<
span

class
=
"
badge badge-dark
"
>
深色
</
span
>

尝试一下 »

药丸形状徽章

使用 .badge-pill 类来设置药丸形状徽章:

实例

<
span

class
=
"
badge badge-pill badge-default
"
>
默认
</
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
"
>
危险
</
span
>

尝试一下 »

徽章插入到元素内

以下实例将徽章嵌入到按钮内：

实例

<
button

type
=
"
button
"

class
=
"
btn btn-primary
"
>
Messages
<
span

class
=
"
badge badge-light
"
>
4
</
span
>

</
button
>

尝试一下 »