Subu

Yi hihan akoonu kọja iṣẹ akanṣe rẹ pẹlu awọn kilasi diẹ ati awọn afikun JavaScript wa.

Bawo ni o ṣe n ṣiṣẹ

Ohun itanna JavaScript ti ṣubu ni a lo lati ṣafihan ati tọju akoonu. Awọn bọtini tabi awọn ìdákọró ni a lo bi awọn okunfa ti o ya aworan si awọn eroja kan pato ti o yipada. Pipalẹ ohun elo kan yoo ṣe igbesi aye heightlati iye lọwọlọwọ si 0. Fun bi CSS ṣe n kapa awọn ohun idanilaraya, o ko le lo paddinglori .collapseeroja kan. Dipo, lo kilaasi bi ohun elo murasilẹ ominira.

Apeere

Tẹ awọn bọtini ni isalẹ lati ṣafihan ati tọju nkan miiran nipasẹ awọn ayipada kilasi:

• .collapsehides akoonu
• .collapsingti lo lakoko awọn iyipada
• .collapse.showfihan akoonu

Ni gbogbogbo, a ṣeduro lilo bọtini kan pẹlu data-targetabuda naa. Lakoko ti a ko ṣeduro lati oju wiwo atunmọ, o tun le lo ọna asopọ kan pẹlu hrefabuda (ati a role="button"). Ni awọn ọran mejeeji, o data-toggle="collapse"nilo.

<p>
  <a class="btn btn-primary" data-toggle="collapse" href="#collapseExample" role="button" aria-expanded="false" aria-controls="collapseExample">
    Link with href
  </a>
  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseExample" aria-expanded="false" aria-controls="collapseExample">
    Button with data-target
  </button>
</p>
<div class="collapse" id="collapseExample">
  <div class="card card-body">
    Some placeholder content for the collapse component. This panel is hidden by default but revealed when the user activates the relevant trigger.
  </div>
</div>

Petele

Ohun itanna idapọ naa tun ṣe atilẹyin idakole petele. Fi awọn .widthmodifier kilasi lati orilede widthdipo heightki o si ṣeto a widthlori lẹsẹkẹsẹ omo ano. Lero ọfẹ lati kọ aṣa Sass tirẹ, lo awọn aza inline, tabi lo awọn ohun elo iwọn wa .

<p>
  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#collapseWidthExample" aria-expanded="false" aria-controls="collapseWidthExample">
    Toggle width collapse
  </button>
</p>
<div style="min-height: 120px;">
  <div class="collapse width" id="collapseWidthExample">
    <div class="card card-body" style="width: 320px;">
      This is some placeholder content for a horizontal collapse. It's hidden by default and shown when triggered.
    </div>
  </div>
</div>

Awọn ibi-afẹde pupọ

A <button>tabi <a>le ṣe afihan ati tọju awọn eroja lọpọlọpọ nipa sisọ wọn pẹlu yiyan JQuery ninu rẹ hreftabi abuda data-target. Pupọ <button>tabi <a>le ṣafihan ati tọju ohun elo kan ti ọkọọkan wọn ba tọka si pẹlu wọn hreftabi data-targetikasi

<p>
  <a class="btn btn-primary" data-toggle="collapse" href="#multiCollapseExample1" role="button" aria-expanded="false" aria-controls="multiCollapseExample1">Toggle first element</a>
  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#multiCollapseExample2" aria-expanded="false" aria-controls="multiCollapseExample2">Toggle second element</button>
  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target=".multi-collapse" aria-expanded="false" aria-controls="multiCollapseExample1 multiCollapseExample2">Toggle both elements</button>
</p>
<div class="row">
  <div class="col">
    <div class="collapse multi-collapse" id="multiCollapseExample1">
      <div class="card card-body">
        Some placeholder content for the first collapse component of this multi-collapse example. This panel is hidden by default but revealed when the user activates the relevant trigger.
      </div>
    </div>
  </div>
  <div class="col">
    <div class="collapse multi-collapse" id="multiCollapseExample2">
      <div class="card card-body">
        Some placeholder content for the second collapse component of this multi-collapse example. This panel is hidden by default but revealed when the user activates the relevant trigger.
      </div>
    </div>
  </div>
</div>

Accordion apẹẹrẹ

Lilo awọn paati kaadi , o le fa awọn aiyipada Collapse ihuwasi lati ṣẹda ohun accordion. Lati ṣaṣeyọri aṣa ara accordion daradara, rii daju lati lo .accordionbi iwe-iṣọ kan.

<div class="accordion" id="accordionExample">
  <div class="card">
    <div class="card-header" id="headingOne">
      <h2 class="mb-0">
        <button class="btn btn-link btn-block text-left" type="button" data-toggle="collapse" data-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
          Collapsible Group Item #1
        </button>
      </h2>
    </div>

    <div id="collapseOne" class="collapse show" aria-labelledby="headingOne" data-parent="#accordionExample">
      <div class="card-body">
        Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the <code>.show</code> class.
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-header" id="headingTwo">
      <h2 class="mb-0">
        <button class="btn btn-link btn-block text-left collapsed" type="button" data-toggle="collapse" data-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
          Collapsible Group Item #2
        </button>
      </h2>
    </div>
    <div id="collapseTwo" class="collapse" aria-labelledby="headingTwo" data-parent="#accordionExample">
      <div class="card-body">
        Some placeholder content for the second accordion panel. This panel is hidden by default.
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-header" id="headingThree">
      <h2 class="mb-0">
        <button class="btn btn-link btn-block text-left collapsed" type="button" data-toggle="collapse" data-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
          Collapsible Group Item #3
        </button>
      </h2>
    </div>
    <div id="collapseThree" class="collapse" aria-labelledby="headingThree" data-parent="#accordionExample">
      <div class="card-body">
        And lastly, the placeholder content for the third and final accordion panel. This panel is hidden by default.
      </div>
    </div>
  </div>
</div>

Wiwọle

Rii daju lati ṣafikun aria-expandedsi ipin iṣakoso. Ẹya-ara yii ṣe afihan ni gbangba ipo lọwọlọwọ ti nkan ti o le bajẹ ti a so mọ iṣakoso si awọn oluka iboju ati awọn imọ-ẹrọ iranlọwọ ti o jọra. Ti ohun elo ti o le kojọpọ ba ti wa ni pipade nipasẹ aiyipada, ẹda ti o wa lori ipin iṣakoso yẹ ki o ni iye kan ti aria-expanded="false". Ti o ba ti ṣeto eroja ikojọpọ lati ṣii nipasẹ aiyipada nipa lilo showkilasi, ṣeto aria-expanded="true"lori iṣakoso dipo. Ohun itanna naa yoo yi abuda yii pada laifọwọyi lori iṣakoso ti o da lori boya tabi kii ṣe nkan ti o le ṣubu tabi ko ti ṣii tabi tiipa (nipasẹ JavaScript, tabi nitori oluṣamulo nfa ohun elo iṣakoso miiran tun ti so mọ ipin kanna ti o le ṣubu). Ti eroja HTML ti iṣakoso kii ṣe bọtini kan (fun apẹẹrẹ, ohun <a>tabi <div>), abuda naarole="button"yẹ ki o wa ni afikun si awọn ano.

Ti ohun elo iṣakoso rẹ ba n fojusi ohun elo ikojọpọ kan ṣoṣo - ie data-targetabuda naa n tọka si idoluyan - o yẹ ki o ṣafikun abuda naa aria-controlssi ipin iṣakoso, ti o ni awọn idti eroja ikojọpọ naa. Awọn oluka iboju ode oni ati awọn imọ-ẹrọ iranlọwọ ti o jọra ṣe lilo abuda yii lati pese awọn olumulo pẹlu awọn ọna abuja ni afikun lati lilö kiri taara si nkan ti o le kọlu funrararẹ.

Ṣakiyesi pe imuse lọwọlọwọ Bootstrap ko bo ọpọlọpọ awọn ibaraenisepo keyboard ti a ṣapejuwe ninu ilana Itọnisọna Awọn adaṣe Akọwe ARIA - iwọ yoo nilo lati ṣafikun wọnyi funrararẹ pẹlu JavaScript aṣa.

Lilo

Ohun itanna idapọmọra nlo awọn kilasi diẹ lati mu gbigbe gbigbe ti o wuwo naa:

• .collapsehides awọn akoonu
• .collapse.showfihan akoonu
• .collapsingti wa ni afikun nigbati awọn orilede bẹrẹ, ati kuro nigbati o ba pari

Awọn kilasi wọnyi le wa ni _transitions.scss.

Nipasẹ awọn abuda data

Kan ṣafikun data-toggle="collapse"ati a data-targetsi eroja lati fi iṣakoso laifọwọyi ti ọkan tabi diẹ ẹ sii awọn eroja ikojọpọ. Ẹya naa data-targetgba oluyan CSS kan lati lo iṣubu si. Rii daju lati ṣafikun kilasi collapsenaa si nkan ti o le ṣubu. Ti o ba fẹ ki o ṣii aiyipada, ṣafikun afikun kilasi show.

Lati ṣafikun iṣakoso ẹgbẹ ti o dabi accordion si agbegbe ikojọpọ, ṣafikun ẹda data naa data-parent="#selector". Tọkasi demo lati wo eyi ni iṣe.

Nipasẹ JavaScript

Mu ṣiṣẹ pẹlu ọwọ pẹlu:

$('.collapse').collapse()

Awọn aṣayan

Awọn aṣayan le ṣee kọja nipasẹ awọn abuda data tabi JavaScript. Fun awọn abuda data, fi orukọ aṣayan si data-, bi ninu data-parent="".

Awọn ọna

.collapse(options)

Mu akoonu rẹ ṣiṣẹ bi eroja ti o le kolu. Gba awọn aṣayan iyan object.

$('#myCollapsible').collapse({
  toggle: false
})

.collapse('toggle')

Yi eroja ti o le kolu pada si ifihan tabi pamọ. Pada si olupe ṣaaju ki nkan ti o le kọlu ti han tabi farapamọ gangan (ie ṣaaju ki iṣẹlẹ shown.bs.collapsetabi hidden.bs.collapseiṣẹlẹ to waye).

.collapse('show')

Ṣe afihan eroja ti o le ṣubu. Pada si olupe ṣaaju ki ohun elo ti o le kolu ti han gangan (ie ṣaaju ki shown.bs.collapseiṣẹlẹ naa to waye).

.collapse('hide')

Ìbòmọlẹ ohun kan collapsible. Pada si olupe ṣaaju ki nkan ti o le kolu ti farapamọ nitootọ (ie ṣaaju ki hidden.bs.collapseiṣẹlẹ naa to waye).

.collapse('dispose')

O run ohun ano ká Collapse.

Awọn iṣẹlẹ

Kilasi Collapse Bootstrap ṣafihan awọn iṣẹlẹ diẹ fun sisọ sinu iṣẹ ṣiṣe iṣubu.

$('#myCollapsible').on('hidden.bs.collapse', function () {
  // do something...
})