Turanga
Whakamahia enei taputapu poto mo te whirihora tere i te waahi o tetahi huānga.
Nga uara tuunga
Kei te waatea nga karaehe tuunga tere, ahakoa kaore i te aro.
<div class="position-static">...</div>
<div class="position-relative">...</div>
<div class="position-absolute">...</div>
<div class="position-fixed">...</div>
<div class="position-sticky">...</div>
Whakaritea nga huānga
Whakaritea nga huānga me nga taputapu tuunga taha. Ko te whakatakotoranga ko {property}-{position}
.
Ko te taonga tetahi o:
top
top
- mo te tuunga poutūstart
- mo teleft
tuunga whakapae (i roto i te LTR)bottom
bottom
- mo te tuunga poutūend
- mo teright
tuunga whakapae (i roto i te LTR)
Ko te waahi ko tetahi o:
0
- mo0
te tuunga taha50
- mo50%
te tuunga taha100
- mo100%
te tuunga taha
(Ka taea e koe te taapiri atu uara tuunga ma te taapiri i nga urunga ki te $position-values
taurangi mahere Sass.)
<div class="position-relative">
<div class="position-absolute top-0 start-0"></div>
<div class="position-absolute top-0 end-0"></div>
<div class="position-absolute top-50 start-50"></div>
<div class="position-absolute bottom-50 end-50"></div>
<div class="position-absolute bottom-0 start-0"></div>
<div class="position-absolute bottom-0 end-0"></div>
</div>
Huānga pokapū
I tua atu, ka taea hoki e koe te whakauru i nga huānga me te akomanga whaipainga huringa .translate-middle
.
Ko tenei karaehe e pa ana ki nga huringa translateX(-50%)
me translateY(-50%)
te huānga e hono ana me nga taputapu tuunga taha, ka taea e koe te whakauru i tetahi huānga.
<div class="position-relative">
<div class="position-absolute top-0 start-0 translate-middle"></div>
<div class="position-absolute top-0 start-50 translate-middle"></div>
<div class="position-absolute top-0 start-100 translate-middle"></div>
<div class="position-absolute top-50 start-0 translate-middle"></div>
<div class="position-absolute top-50 start-50 translate-middle"></div>
<div class="position-absolute top-50 start-100 translate-middle"></div>
<div class="position-absolute top-100 start-0 translate-middle"></div>
<div class="position-absolute top-100 start-50 translate-middle"></div>
<div class="position-absolute top-100 start-100 translate-middle"></div>
</div>
Ma te taapiri , ma nga karaehe .translate-middle-x
ranei .translate-middle-y
, ka taea te whakanoho i nga huānga ki te ahunga whakapae, poutū ranei.
<div class="position-relative">
<div class="position-absolute top-0 start-0"></div>
<div class="position-absolute top-0 start-50 translate-middle-x"></div>
<div class="position-absolute top-0 end-0"></div>
<div class="position-absolute top-50 start-0 translate-middle-y"></div>
<div class="position-absolute top-50 start-50 translate-middle"></div>
<div class="position-absolute top-50 end-0 translate-middle-y"></div>
<div class="position-absolute bottom-0 start-0"></div>
<div class="position-absolute bottom-0 start-50 translate-middle-x"></div>
<div class="position-absolute bottom-0 end-0"></div>
</div>
Tauira
Anei etahi tauira o te oranga o enei karaehe:
<button type="button" class="btn btn-primary position-relative">
Mails <span class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-secondary">+99 <span class="visually-hidden">unread messages</span></span>
</button>
<button type="button" class="btn btn-dark position-relative">
Marker <svg width="1em" height="1em" viewBox="0 0 16 16" class="position-absolute top-100 start-50 translate-middle mt-1 bi bi-caret-down-fill" fill="#212529" xmlns="http://www.w3.org/2000/svg"><path d="M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z"/></svg>
</button>
<button type="button" class="btn btn-primary position-relative">
Alerts <span class="position-absolute top-0 start-100 translate-middle badge border border-light rounded-circle bg-danger p-2"><span class="visually-hidden">unread messages</span></span>
</button>
Ka taea e koe te whakamahi i enei akomanga me nga waahanga o mua hei hanga i nga mea hou. Kia mahara ka taea e koe te whakawhānui ake i tana mahi ma te taapiri i nga urunga ki te $position-values
taurangi.
<div class="position-relative m-4">
<div class="progress" style="height: 1px;">
<div class="progress-bar" role="progressbar" style="width: 50%;" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
</div>
<button type="button" class="position-absolute top-0 start-0 translate-middle btn btn-sm btn-primary rounded-pill" style="width: 2rem; height:2rem;">1</button>
<button type="button" class="position-absolute top-0 start-50 translate-middle btn btn-sm btn-primary rounded-pill" style="width: 2rem; height:2rem;">2</button>
<button type="button" class="position-absolute top-0 start-100 translate-middle btn btn-sm btn-secondary rounded-pill" style="width: 2rem; height:2rem;">3</button>
</div>
Sass
Mahere
Ko nga uara whaipainga tuunga taunoa ka whakaatuhia ki te mapi Sass, ka whakamahia hei whakaputa i a maatau taputapu.
$position-values: (
0: 0,
50: 50%,
100: 100%
);
API taputapu
Ka whakaatuhia nga taputapu tuunga i roto i o maatau taputapu API i roto i scss/_utilities.scss
. Akohia me pehea te whakamahi i nga taputapu API.
"position": (
property: position,
values: static relative absolute fixed sticky
),
"top": (
property: top,
values: $position-values
),
"bottom": (
property: bottom,
values: $position-values
),
"start": (
property: left,
class: start,
values: $position-values
),
"end": (
property: right,
class: end,
values: $position-values
),
"translate-middle": (
property: transform,
class: translate-middle,
values: (
null: translate(-50%, -50%),
x: translateX(-50%),
y: translateY(-50%),
)
),