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Carousel

Komponén pintonan slaid pikeun ngurilingan elemen—gambar atanapi slide téks—sapertos carousel.

Dina kaca ieu

Kumaha gawéna

Carousel nyaéta pintonan slaid pikeun ngurilingan runtuyan eusi, diwangun ku CSS 3D transforms sarta saeutik JavaScript. Gawéna sareng séri gambar, téks, atanapi markup khusus. Éta ogé kalebet dukungan pikeun kontrol sareng indikator sateuacana / salajengna.

Dina panyungsi dimana Page Visibility API dirojong, carousel bakal ngahindarkeun ngageser nalika halaman wéb henteu katingali ku pangguna (sapertos nalika tab browser teu aktip, jandela browser diminimalkeun, jsb.).

Pangaruh animasi tina komponén ieu gumantung kana prefers-reduced-motionpamundut média. Tempo bagian gerak ngurangan tina dokuméntasi aksés kami .

Punten perhatikeun yén carousel bersarang henteu didukung, sareng carousel umumna henteu patuh kana standar aksés.

Contona

Carousel henteu otomatis nganormalkeun dimensi slide. Sapertos kitu, anjeun panginten kedah nganggo utilitas tambahan atanapi gaya khusus pikeun ukuran eusi anu pas. Nalika carousel ngadukung kontrol sareng indikator sateuacana/salajengna, aranjeunna henteu diperyogikeun sacara eksplisit. Tambihkeun sareng saluyukeun sakumaha anu anjeun pikahoyong.

Kelas .activekudu ditambahkeun kana salah sahiji slides disebutkeun carousel moal katingali. Ogé pastikeun pikeun nyetel hiji unik iddina .carouselpikeun kadali pilihan, utamana lamun nuju ngagunakeun sababaraha carousels dina hiji kaca. Unsur kontrol sareng indikator kedah gaduh data-bs-targetatribut (atanapi hrefkanggo tautan) anu cocog idsareng .carouselunsur.

Ngageser wungkul

Ieu carousel kalayan slide wungkul. Catet ayana gambar carousel .d-blocksareng .w-100on pikeun nyegah alignment gambar standar browser.

<div id="carouselExampleSlidesOnly" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
</div>

Kalawan kadali

Nambahkeun dina kadali saméméhna jeung saterusna. Kami ngarékoméndasikeun ngagunakeun <button>elemen, Tapi anjeun oge bisa make <a>elemen kalawan role="button".

<div id="carouselExampleControls" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleControls" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleControls" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Kalayan indikator

Anjeun ogé tiasa nambihan indikator kana carousel, sareng kadali ogé.

<div id="carouselExampleIndicators" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-indicators">
    <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
    <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="1" aria-label="Slide 2"></button>
    <button type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide-to="2" aria-label="Slide 3"></button>
  </div>
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleIndicators" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Kalayan caption

Tambihkeun caption kana slide anjeun kalayan gampang kalayan .carousel-captionunsur anu aya dina .carousel-item. Éta bisa gampang disumputkeun dina viewports leutik, ditémbongkeun saperti di handap ieu, kalawan utilitas tampilan pilihan . Urang nyumputkeunana mimitina .d-nonejeung mawa eta deui dina alat-ukuran sedeng jeung .d-md-block.

<div id="carouselExampleCaptions" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-indicators">
    <button type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
    <button type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide-to="1" aria-label="Slide 2"></button>
    <button type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide-to="2" aria-label="Slide 3"></button>
  </div>
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>First slide label</h5>
        <p>Some representative placeholder content for the first slide.</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Second slide label</h5>
        <p>Some representative placeholder content for the second slide.</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Third slide label</h5>
        <p>Some representative placeholder content for the third slide.</p>
      </div>
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleCaptions" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Crossfade

Tambihkeun .carousel-fadekana carousel anjeun pikeun ngahirupkeun slide kalayan transisi luntur tibatan slide.

<div id="carouselExampleFade" class="carousel slide carousel-fade" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleFade" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleFade" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Tambahkeun data-bs-interval=""ka a .carousel-itemngarobah jumlah waktu reureuh antara otomatis Ngabuburit ka item salajengna.

<div id="carouselExampleInterval" class="carousel slide" data-bs-ride="carousel">
  <div class="carousel-inner">
    <div class="carousel-item active" data-bs-interval="10000">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item" data-bs-interval="2000">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleInterval" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleInterval" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Nonaktipkeun touch swiping

Carousels ngarojong swiping ka kenca/katuhu dina alat layar rampa pikeun mindahkeun antara slides. Ieu tiasa ditumpurkeun nganggo data-bs-touchatribut. Conto di handap ieu ogé teu kaasup data-bs-rideatribut jeung boga data-bs-interval="false"sangkan teu autoplay.

<div id="carouselExampleControlsNoTouching" class="carousel slide" data-bs-touch="false" data-bs-interval="false">
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleControlsNoTouching" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleControlsNoTouching" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Varian poék

Tambihkeun .carousel-darkkana .carouselkontrol, indikator, sareng caption anu langkung poék. Kadali parantos dibalikkeun tina eusian bodas standarna sareng filtersipat CSS. Captions sareng kadali gaduh variabel Sass tambahan anu ngaluyukeun colorsareng background-color.

<div id="carouselExampleDark" class="carousel carousel-dark slide" data-bs-ride="carousel">
  <div class="carousel-indicators">
    <button type="button" data-bs-target="#carouselExampleDark" data-bs-slide-to="0" class="active" aria-current="true" aria-label="Slide 1"></button>
    <button type="button" data-bs-target="#carouselExampleDark" data-bs-slide-to="1" aria-label="Slide 2"></button>
    <button type="button" data-bs-target="#carouselExampleDark" data-bs-slide-to="2" aria-label="Slide 3"></button>
  </div>
  <div class="carousel-inner">
    <div class="carousel-item active" data-bs-interval="10000">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>First slide label</h5>
        <p>Some representative placeholder content for the first slide.</p>
      </div>
    </div>
    <div class="carousel-item" data-bs-interval="2000">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Second slide label</h5>
        <p>Some representative placeholder content for the second slide.</p>
      </div>
    </div>
    <div class="carousel-item">
      <img src="..." class="d-block w-100" alt="...">
      <div class="carousel-caption d-none d-md-block">
        <h5>Third slide label</h5>
        <p>Some representative placeholder content for the third slide.</p>
      </div>
    </div>
  </div>
  <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleDark" data-bs-slide="prev">
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Previous</span>
  </button>
  <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleDark" data-bs-slide="next">
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="visually-hidden">Next</span>
  </button>
</div>

Transisi custom

Durasi transisi .carousel-itemtiasa dirobih ku $carousel-transition-durationvariabel Sass sateuacan kompilasi atanapi gaya khusus upami anjeun nganggo CSS anu disusun. Upami sababaraha transisi diterapkeun, pastikeun transisi transformasi ditetepkeun heula (contona. transition: transform 2s ease, opacity .5s ease-out).

Sass

Variabel

$carousel-control-color:             $white;
$carousel-control-width:             15%;
$carousel-control-opacity:           .5;
$carousel-control-hover-opacity:     .9;
$carousel-control-transition:        opacity .15s ease;

$carousel-indicator-width:           30px;
$carousel-indicator-height:          3px;
$carousel-indicator-hit-area-height: 10px;
$carousel-indicator-spacer:          3px;
$carousel-indicator-opacity:         .5;
$carousel-indicator-active-bg:       $white;
$carousel-indicator-active-opacity:  1;
$carousel-indicator-transition:      opacity .6s ease;

$carousel-caption-width:             70%;
$carousel-caption-color:             $white;
$carousel-caption-padding-y:         1.25rem;
$carousel-caption-spacer:            1.25rem;

$carousel-control-icon-width:        2rem;

$carousel-control-prev-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$carousel-control-color}'><path d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/></svg>");
$carousel-control-next-icon-bg:      url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$carousel-control-color}'><path d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/></svg>");

$carousel-transition-duration:       .6s;
$carousel-transition:                transform $carousel-transition-duration ease-in-out; // Define transform transition first if using multiple transitions (e.g., `transform 2s ease, opacity .5s ease-out`)

$carousel-dark-indicator-active-bg:  $black;
$carousel-dark-caption-color:        $black;
$carousel-dark-control-icon-filter:  invert(1) grayscale(100);

Pamakéan

Via atribut data

Paké atribut data pikeun gampang ngadalikeun posisi carousel nu. data-bs-slidenarima kecap konci prevatawa next, nu ngarobah posisi slide relatif ka posisi ayeuna. Alternatipna, pake data-bs-slide-topikeun ngalirkeun indéks slide atah ka carousel data-bs-slide-to="2", nu shifts posisi slide ka indéks husus dimimitian ku 0.

Atribut data-bs-ride="carousel"ieu dianggo pikeun nandaan carousel salaku animasi dimimitian dina beban halaman. Upami anjeun henteu nganggo data-bs-ride="carousel"pikeun ngamimitian carousel anjeun, anjeun kedah ngamimitian nyalira. Ieu teu bisa dipaké dina kombinasi kalayan (kaleuleuwihan sarta teu perlu) initialization JavaScript eksplisit tina carousel sarua.

Ngaliwatan JavaScript

Telepon carousel sacara manual nganggo:

var myCarousel = document.querySelector('#myCarousel')
var carousel = new bootstrap.Carousel(myCarousel)

Pilihan

Pilihan bisa diliwatan via atribut data atawa JavaScript. Pikeun atribut data, tambahkeun nami pilihan ka data-bs-, sapertos dina data-bs-interval="".

Ngaran Tipe Default Katerangan
interval angka 5000 Jumlah waktu reureuh antara otomatis Ngabuburit hiji item. Lamun false, carousel moal otomatis siklus.
keyboard boolean true Naha carousel kedah ngaréspon kana acara keyboard.
pause string | boolean 'hover'

Lamun disetel ka 'hover', ngareureuhkeun muter tina carousel on mouseentersarta neruskeun muter tina carousel on mouseleave. Upami disetel ka false, hovering dina carousel moal ngareureuhkeun eta.

Dina alat-alat touch-diaktipkeun, lamun disetel ka 'hover', Ngabuburit bakal ngareureuhkeun on touchend(sakali pamaké réngsé berinteraksi sareng carousel) pikeun dua interval, saméméh otomatis neruskeun. Catet yén ieu salian ti kabiasaan beurit di luhur.
ride string | boolean false Autoplays carousel sanggeus pamaké sacara manual siklus item kahiji. Upami disetel ka 'carousel', autoplays carousel on beban.
wrap boolean true Naha carousel kedah ngurilingan kontinyu atanapi kedah eureun.
touch boolean true Naha carousel kedah ngadukung interaksi gesek kenca/katuhu dina alat layar rampa.

Métode

Métode Asynchronous sareng transisi

Sadaya metode API henteu sinkron sareng ngamimitian transisi . Aranjeunna balik deui ka panelepon pas transisi dimimitian tapi saméméh éta ends . Sajaba ti éta, panggero métode dina komponén transisi bakal dipaliré .

Tempo dokuméntasi JavaScript kami pikeun inpo nu leuwih lengkep .

Anjeun tiasa nyiptakeun conto carousel sareng konstruktor carousel, contona, pikeun ngamimitian nganggo pilihan tambahan sareng ngamimitian ngagulung barang:

var myCarousel = document.querySelector('#myCarousel')
var carousel = new bootstrap.Carousel(myCarousel, {
  interval: 2000,
  wrap: false
})
Métode Katerangan
cycle Siklus ngaliwatan item carousel ti kénca ka katuhu.
pause Ngeureunkeun carousel tina ngurilingan barang.
prev Siklus ka item saméméhna. Mulih ka nu nelepon saméméh item saméméhna geus ditémbongkeun (misalna saméméh slid.bs.carouselacara lumangsung).
next Siklus ka item salajengna. Mulih ka nu nelepon saméméh item salajengna geus ditémbongkeun (contona, saméméh slid.bs.carouselacara lumangsung).
nextWhenVisible Entong ngurilingan carousel ka hareup nalika halamanna henteu katingali atanapi carousel atanapi indungna henteu katingali. Mulih ka nu nelepon saméméh item target geus ditémbongkeun
to Siklus carousel kana pigura nu tangtu (0 dumasar, sarupa hiji Asép Sunandar Sunarya). Mulih ka panelepon saencan item udagan geus ditémbongkeun (contona, saméméh slid.bs.carouselacara lumangsung).
dispose Ngancurkeun carousel hiji unsur. (Ngahapus data anu disimpen dina unsur DOM)
getInstance Metodeu statik anu ngamungkinkeun anjeun kéngingkeun conto carousel anu aya hubunganana sareng unsur DOM, anjeun tiasa nganggo sapertos kieu:bootstrap.Carousel.getInstance(element)
getOrCreateInstance Métode statik anu ngabalikeun conto carousel anu aya hubunganana sareng unsur DOM atanapi ngadamel anu énggal upami henteu diinisialisasi. Anjeun tiasa nganggo sapertos kieu:bootstrap.Carousel.getOrCreateInstance(element)

Kajadian

Kelas carousel Bootstrap ngungkabkeun dua acara pikeun ngaitkeun kana fungsionalitas carousel. Kadua acara gaduh sipat tambahan di handap ieu:

  • direction: Arah nu carousel nu ngageser (boh "left"atawa "right").
  • relatedTarget: Unsur DOM nu keur slid kana tempat salaku item aktip.
  • from: Indéks item ayeuna
  • to: Indéks item salajengna

Sadaya acara carousel dipecat dina carousel sorangan (ie di <div class="carousel">).

Jenis acara Katerangan
slide.bs.carousel Dihurungkeun langsung nalika slidemetodeu instance didamel.
slid.bs.carousel Dipecat nalika carousel geus réngsé transisi slide na. 
var myCarousel = document.getElementById('myCarousel')

myCarousel.addEventListener('slide.bs.carousel', function () {
  // do something...
})