Ipo
Lo awọn wọnyi shorthand igbesi fun ni kiakia tito le awọn ipo ti ohun ano.
Awọn iye ipo
Awọn kilasi ipo iyara wa, botilẹjẹpe wọn ko ṣe idahun.
<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>
Ṣeto awọn eroja
Ṣeto awọn eroja ni irọrun pẹlu awọn ohun elo aye eti. Ọna kika jẹ {property}-{position}
.
Nibo ohun-ini jẹ ọkan ninu:
top
- fun awọn inarotop
ipostart
- fun ipo peteleleft
(ni LTR)bottom
- fun awọn inarobottom
ipoend
- fun ipo peteleright
(ni LTR)
Nibo ni ipo jẹ ọkan ninu:
0
- fun0
ipo eti50
- fun50%
ipo eti100
- fun100%
ipo eti
(O le ṣafikun awọn iye ipo diẹ sii nipa fifi awọn titẹ sii si $position-values
oniyipada maapu 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>
Awọn eroja aarin
Ni afikun, o tun le aarin awọn eroja pẹlu kilasi IwUlO iyipada .translate-middle
.
Kilasi yii kan awọn iyipada translateX(-50%)
ati translateY(-50%)
si eroja eyiti, ni apapo pẹlu awọn ohun elo aye ti eti, ngbanilaaye lati aarin nkan kan ni pipe.
<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>
Nipa fifi kun .translate-middle-x
tabi .translate-middle-y
awọn kilasi, awọn eroja le wa ni ipo nikan ni petele tabi itọsọna inaro.
<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>
Awọn apẹẹrẹ
Eyi ni diẹ ninu awọn apẹẹrẹ igbesi aye gidi ti awọn kilasi wọnyi:
<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>
O le lo awọn kilasi wọnyi pẹlu awọn paati ti o wa tẹlẹ lati ṣẹda awọn tuntun. Ranti pe o le fa iṣẹ ṣiṣe rẹ pọ si nipa fifi awọn titẹ sii si $position-values
oniyipada naa.
<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
Awọn maapu
Awọn iye IwUlO ipo aiyipada ni ikede ni maapu Sass kan, lẹhinna lo lati ṣe ipilẹṣẹ awọn ohun elo wa.
$position-values: (
0: 0,
50: 50%,
100: 100%
);
API Awọn ohun elo
Awọn ohun elo ipo ni a kede ni awọn ohun elo API ni scss/_utilities.scss
. Kọ ẹkọ bi o ṣe le lo API awọn ohun elo.
"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%),
)
),