尺寸

使用我们的宽度和高度工具轻松使元素一样宽或一样高。

相对于父级

¥Relative to the parent

宽度和高度工具是从 _utilities.scss 中的工具 API 生成的。默认情况下包括对 25%、50%、75%、100% 和 auto 的支持。根据需要修改这些值以在此处生成不同的工具。

¥Width and height utilities are generated from the utility API in _utilities.scss. Includes support for 25%, 50%, 75%, 100%, and auto by default. Modify those values as you need to generate different utilities here.

Width 25%

Width 50%

Width 75%

Width 100%

Width auto

html

<div class="w-25 p-3">Width 25%</div>
<div class="w-50 p-3">Width 50%</div>
<div class="w-75 p-3">Width 75%</div>
<div class="w-100 p-3">Width 100%</div>
<div class="w-auto p-3">Width auto</div>

Height 25%

Height 50%

Height 75%

Height 100%

Height auto

html

<div style="height: 100px;">
  <div class="h-25 d-inline-block" style="width: 120px;">Height 25%</div>
  <div class="h-50 d-inline-block" style="width: 120px;">Height 50%</div>
  <div class="h-75 d-inline-block" style="width: 120px;">Height 75%</div>
  <div class="h-100 d-inline-block" style="width: 120px;">Height 100%</div>
  <div class="h-auto d-inline-block" style="width: 120px;">Height auto</div>
</div>

你还可以根据需要使用 max-width: 100%; 和 max-height: 100%; 工具。

¥You can also use max-width: 100%; and max-height: 100%; utilities as needed.

Max-width 100%

html

<div style="width: 50%; height: 100px;">
  <div class="mw-100" style="width: 200%;">Max-width 100%</div>
</div>

Max-height 100%

html

<div style="height: 100px;">
  <div class="mh-100" style="width: 100px; height: 200px;">Max-height 100%</div>
</div>

相对于视口

¥Relative to the viewport

你还可以使用工具来设置相对于视口的宽度和高度。

¥You can also use utilities to set the width and height relative to the viewport.

<div class="min-vw-100">Min-width 100vw</div>
<div class="min-vh-100">Min-height 100vh</div>
<div class="vw-100">Width 100vw</div>
<div class="vh-100">Height 100vh</div>

CSS

Sass 工具 API

¥Sass utilities API

大小调整工具在 scss/_utilities.scss 中的工具 API 中声明。Learn how to use the utilities API.

¥Sizing utilities are declared in our utilities API in scss/_utilities.scss. Learn how to use the utilities API.

scss/_utilities.scss

"width": (
  property: width,
  class: w,
  values: (
    25: 25%,
    50: 50%,
    75: 75%,
    100: 100%,
    auto: auto
  )
),
"max-width": (
  property: max-width,
  class: mw,
  values: (100: 100%)
),
"viewport-width": (
  property: width,
  class: vw,
  values: (100: 100vw)
),
"min-viewport-width": (
  property: min-width,
  class: min-vw,
  values: (100: 100vw)
),
"height": (
  property: height,
  class: h,
  values: (
    25: 25%,
    50: 50%,
    75: 75%,
    100: 100%,
    auto: auto
  )
),
"max-height": (
  property: max-height,
  class: mh,
  values: (100: 100%)
),
"viewport-height": (
  property: height,
  class: vh,
  values: (100: 100vh)
),
"min-viewport-height": (
  property: min-height,
  class: min-vh,
  values: (100: 100vh)
),