Matsayi

Yi amfani da waɗannan abubuwan amfani na gajeriyar hannu don daidaita matsayi da sauri.

A wannan shafi

Matsayin matsayi

Akwai azuzuwan sakawa cikin sauri, kodayake ba sa amsawa.

<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>

Shirya abubuwa

Shirya abubuwa cikin sauƙi tare da kayan aikin sakawa gefen. Tsarin shine {property}-{position}.

Inda dukiya take daya daga cikin:

top- don topmatsayi na tsaye
start- don matsayi na kwance left(a cikin LTR)
bottom- don bottommatsayi na tsaye
end- don matsayi na kwance right(a cikin LTR)

Inda matsayi yana daya daga cikin:

0- don 0matsayi na gefe
50- don 50%matsayi na gefe
100- don 100%matsayi na gefe

(Zaka iya ƙara ƙarin ƙimar matsayi ta ƙara shigarwar zuwa $position-valuesmadaidaicin taswirar Sass.)

html

<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>

Abubuwan tsakiya

Bugu da kari, zaku iya kuma tsakiyar abubuwan tare da ajin mai amfani mai canzawa .translate-middle.

Wannan ajin yana amfani da sauye-sauye translateX(-50%)da kuma translateY(-50%)kashi wanda, a hade tare da abubuwan amfani da matsayi na gefe, yana ba ku damar ci gaba da cikkaken kashi.

html

<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>

Ta ƙara .translate-middle-xko .translate-middle-yazuzuwan, abubuwa za a iya sanya su a kwance ko a tsaye kawai.

html

<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>

Misalai

Ga wasu misalan rayuwa na ainihi na waɗannan azuzuwan:

html

<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" 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>

Kuna iya amfani da waɗannan azuzuwan tare da abubuwan da ke akwai don ƙirƙirar sababbi. Ka tuna cewa za ka iya tsawaita aikinsa ta ƙara shigarwar zuwa mai $position-valuescanzawa.

html

<div class="position-relative m-4">
  <div class="progress" style="height: 1px;">
    <div class="progress-bar" role="progressbar" aria-label="Progress" 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

Taswirori

Ana bayyana ƙimar amfani ta asali a cikin taswirar Sass, sannan a yi amfani da ita don samar da kayan aikin mu.

$position-values: (
  0: 0,
  50: 50%,
  100: 100%
);

API ɗin Utilities

Ana bayyana abubuwan amfani a cikin API ɗin mu a cikin scss/_utilities.scss. Koyi yadda ake amfani da API ɗin abubuwan amfani.

    "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%),
      )
    ),