in English
边框
使用边框实用程序快速设置元素的边框和边框半径。非常适合图像、按钮或任何其他元素。
在本页面
边界
使用边框实用程序添加或删除元素的边框。从所有边界或一次选择一个。
添加剂
<span class="border"></span>
<span class="border-top"></span>
<span class="border-end"></span>
<span class="border-bottom"></span>
<span class="border-start"></span>
减法
<span class="border-0"></span>
<span class="border-top-0"></span>
<span class="border-end-0"></span>
<span class="border-bottom-0"></span>
<span class="border-start-0"></span>
边框颜色
使用基于我们主题颜色的实用程序更改边框颜色。
<span class="border border-primary"></span>
<span class="border border-secondary"></span>
<span class="border border-success"></span>
<span class="border border-danger"></span>
<span class="border border-warning"></span>
<span class="border border-info"></span>
<span class="border border-light"></span>
<span class="border border-dark"></span>
<span class="border border-white"></span>
边框宽度
<span class="border border-1"></span>
<span class="border border-2"></span>
<span class="border border-3"></span>
<span class="border border-4"></span>
<span class="border border-5"></span>
边界半径
向元素添加类以轻松圆角。
<img src="..." class="rounded" alt="...">
<img src="..." class="rounded-top" alt="...">
<img src="..." class="rounded-end" alt="...">
<img src="..." class="rounded-bottom" alt="...">
<img src="..." class="rounded-start" alt="...">
<img src="..." class="rounded-circle" alt="...">
<img src="..." class="rounded-pill" alt="...">
尺寸
对更大或更小的圆角使用缩放等级。大小范围从0
到3
,并且可以通过修改实用程序 API 进行配置。
<img src="..." class="rounded-0" alt="...">
<img src="..." class="rounded-1" alt="...">
<img src="..." class="rounded-2" alt="...">
<img src="..." class="rounded-3" alt="...">
萨斯
变量
$border-width: 1px;
$border-widths: (
1: 1px,
2: 2px,
3: 3px,
4: 4px,
5: 5px
);
$border-color: $gray-300;
$border-radius: .25rem;
$border-radius-sm: .2rem;
$border-radius-lg: .3rem;
$border-radius-pill: 50rem;
混合
@mixin border-radius($radius: $border-radius, $fallback-border-radius: false) {
@if $enable-rounded {
border-radius: valid-radius($radius);
}
@else if $fallback-border-radius != false {
border-radius: $fallback-border-radius;
}
}
@mixin border-top-radius($radius: $border-radius) {
@if $enable-rounded {
border-top-left-radius: valid-radius($radius);
border-top-right-radius: valid-radius($radius);
}
}
@mixin border-end-radius($radius: $border-radius) {
@if $enable-rounded {
border-top-right-radius: valid-radius($radius);
border-bottom-right-radius: valid-radius($radius);
}
}
@mixin border-bottom-radius($radius: $border-radius) {
@if $enable-rounded {
border-bottom-right-radius: valid-radius($radius);
border-bottom-left-radius: valid-radius($radius);
}
}
@mixin border-start-radius($radius: $border-radius) {
@if $enable-rounded {
border-top-left-radius: valid-radius($radius);
border-bottom-left-radius: valid-radius($radius);
}
}
@mixin border-top-start-radius($radius: $border-radius) {
@if $enable-rounded {
border-top-left-radius: valid-radius($radius);
}
}
@mixin border-top-end-radius($radius: $border-radius) {
@if $enable-rounded {
border-top-right-radius: valid-radius($radius);
}
}
@mixin border-bottom-end-radius($radius: $border-radius) {
@if $enable-rounded {
border-bottom-right-radius: valid-radius($radius);
}
}
@mixin border-bottom-start-radius($radius: $border-radius) {
@if $enable-rounded {
border-bottom-left-radius: valid-radius($radius);
}
}
实用程序 API
边界实用程序在我们的实用程序 API 中声明scss/_utilities.scss
。了解如何使用实用程序 API。
"border": (
property: border,
values: (
null: $border-width solid $border-color,
0: 0,
)
),
"border-top": (
property: border-top,
values: (
null: $border-width solid $border-color,
0: 0,
)
),
"border-end": (
property: border-right,
class: border-end,
values: (
null: $border-width solid $border-color,
0: 0,
)
),
"border-bottom": (
property: border-bottom,
values: (
null: $border-width solid $border-color,
0: 0,
)
),
"border-start": (
property: border-left,
class: border-start,
values: (
null: $border-width solid $border-color,
0: 0,
)
),
"border-color": (
property: border-color,
class: border,
values: map-merge($theme-colors, ("white": $white))
),
"border-width": (
property: border-width,
class: border,
values: $border-widths
),
"rounded": (
property: border-radius,
class: rounded,
values: (
null: $border-radius,
0: 0,
1: $border-radius-sm,
2: $border-radius,
3: $border-radius-lg,
circle: 50%,
pill: $border-radius-pill
)
),
"rounded-top": (
property: border-top-left-radius border-top-right-radius,
class: rounded-top,
values: (null: $border-radius)
),
"rounded-end": (
property: border-top-right-radius border-bottom-right-radius,
class: rounded-end,
values: (null: $border-radius)
),
"rounded-bottom": (
property: border-bottom-right-radius border-bottom-left-radius,
class: rounded-bottom,
values: (null: $border-radius)
),
"rounded-start": (
property: border-bottom-left-radius border-top-left-radius,
class: rounded-start,
values: (null: $border-radius)
),