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Carousel

Karolo ea li-slideshow bakeng sa ho tsamaea ka libaesekele-litšoantšo kapa li-slide tsa mongolo-joaloka carousel.

Leqepheng lena

Kamoo e sebetsang kateng

Carousel ke slideshow ea ho palama baesekele ka har'a letoto la litaba, e hahiloeng ka li-transform tsa CSS 3D le JavaScript e nyane. E sebetsa ka letoto la litšoantšo, mongolo, kapa letšoao la tloaelo. E boetse e kenyelletsa tšehetso bakeng sa litsamaiso tse fetileng / tse latelang le matšoao.

Ho li-browser moo API ea Ponahalo ea Leqephe e tšehelitsoeng, carousel e tla qoba ho thella ha leqephe la webo le sa bonahale ho mosebelisi (joalo ka ha sebatli se sa sebetse, fensetere ea sebatli e fokotsehile, joalo-joalo).

Liphetho tsa animation tsa karolo ena li ipapisitse le prefers-reduced-motionpotso ea media. Sheba karolo e fokolitsoeng ea motsamao oa litokomane tsa phihlello ea rona .

Ka kopo hlokomela hore li-carousels tse kentsoeng lihlaheng ha li tšehetsoe, 'me li-carousels hangata ha li tsamaellane le maemo a phihlello.

Mohlala

Li-carousels ha li iketsetse litekanyo tsa li-slide ka botsona. Ka hona, ho ka 'na ha hlokahala hore u sebelise lisebelisoa tse eketsehileng kapa mekhoa e tloaelehileng ho etsa boholo bo nepahetseng. Leha li-carousel li tšehetsa litsamaiso le matšoao a fetileng/tse latelang, ha li hlokehe ka ho hlaka. Eketsa 'me u iketsetse kamoo u bonang ho loketse kateng.

Sehlopha .activese hloka ho kenyelletsoa ho e 'ngoe ea li-slide ho seng joalo carousel e ke ke ea bonahala. Hape etsa bonnete ba hore u beha e ikhethang bakeng idsa .carouseltaolo ea boikhethelo, haholo haeba u sebelisa li-carousel tse ngata leqepheng le le leng. Taolo le likarolo tsa matšoao li tlameha ho ba le data-bs-targettšobotsi (kapa hrefbakeng sa likhokahano) tse tsamaellanang idle .carouselelement.

Li-slide feela

Ke ena carousel e nang le li-slide feela. Ela hloko boteng ba litšoantšo tsa carousel .d-blockle .w-100tsa carousel ho thibela tlhophiso ea setšoantšo sa kamehla.

html 
<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>

Ka taolo

Eketsa litaolo tse fetileng le tse latelang. Re khothaletsa ho sebelisa <button>likarolo, empa hape o ka sebelisa <a>likarolo tse nang le role="button".

html 
<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>

Ka matšoao

U ka boela ua eketsa matšoao ho carousel, hammoho le litsamaiso, hape.

html 
<div id="carouselExampleIndicators" class="carousel slide" data-bs-ride="true">
  <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>

Ka litlhaloso

Kenya litlhaloso ho li-slide tsa hau habonolo ka .carousel-captionkarolo e ka har'a .carousel-item. Li ka patoa habonolo libakeng tse nyane tsa pono, joalo ka ha ho bonts'itsoe ka tlase, ka lisebelisoa tsa boikhethelo . Re li pata qalong ka .d-nonele ho li khutlisetsa ka lisebelisoa tsa boholo bo mahareng tse nang le .d-md-block.

html 
<div id="carouselExampleCaptions" class="carousel slide" data-bs-ride="false">
  <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

Eketsa .carousel-fadeho carousel ea hau ho phelisa li-slide ka ho fifala ho e-na le li-slide. Ho ipapisitse le litaba tsa carousel ea hau (mohlala, li-slide tsa mongolo feela), u kanna oa batla ho kenyelletsa .bg-bodykapa CSS ea tloaelo ho .carousel-items bakeng sa ho putlama hantle.

html 
<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>

Kenya data-bs-interval=""ho a .carousel-itemho fetola nako ea ho lieha lipakeng tsa ho palama baesekele ka bo eona ho ea nthong e latelang.

html 
<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>

Tlosa ho swiping ka ho ama

Li-carousels li tšehetsa ho swipella ka ho le letšehali/ ho le letona ho lisebelisoa tsa sekirini sa ho ama ho tsamaea lipakeng tsa li-slide. Sena se ka emisoa ho sebelisoa data-bs-touchtšobotsi. Mohlala o ka tlase le ona ha o kenyelletse data-bs-ridetšobotsi kahoo ha o bapale.

html 
<div id="carouselExampleControlsNoTouching" class="carousel slide" data-bs-touch="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>

Phapang e lefifi

Eketsa .carousel-darkho li- .carouselcontrol tse lefifi, matšoao, le litlhaloso. Litaolo li fetotsoe ho tsoa ho tlatsoa ha tsona ho tšoeu ka filterthepa ea CSS. Litlhaloso le litsamaiso li na le mefuta e meng ea Sass e ikamahanyang colorle background-color.

html 
<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>

Phetoho ea tloaelo

Nako ea phetoho e .carousel-itemka fetoloa ka mofuta oa $carousel-transition-durationSass pele o hlophisa kapa mekhoa ea tloaelo haeba o sebelisa CSS e hlophisitsoeng. Haeba ho sebelisoa liphetoho tse ngata, etsa bonnete ba hore phetoho ea phetoho e hlalosoa pele (mohlala transition: transform 2s ease, opacity .5s ease-out).

Sass

Lintho tse fapaneng

Mefuta e fapaneng bakeng sa li-carousels tsohle:

$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`)

Mefuta e fapaneng bakeng sa carousel e lefifi :

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

Tšebeliso

Ka litšobotsi tsa data

Sebelisa litšobotsi tsa data ho laola boemo ba carousel habonolo. data-bs-slidee amohela mantsoe a sehlooho prevkapa next, e fetolang boemo ba slide ho ipapisitse le boemo ba hona joale. Ntle le moo, sebelisa data-bs-slide-toho fetisa index ea li-slide e tala ho carousel data-bs-slide-to="2", e fetolang boemo ba li-slide ho index e itseng e qalang ka 0.

Tšobotsi data-bs-ride="carousel"e sebelisoa ho tšoaea carousel e le e phelang ho qala ka palo ea maqephe. Haeba u sa sebelise data-bs-ride="carousel"ho qala carousel ea hau, u tlameha ho e qala ka bouena. E ke ke ea sebelisoa hammoho le (ho sa hlokahale le ho sa hlokahale) ho qalisoa ka ho hlaka ha JavaScript ea carousel e tšoanang.

Ka JavaScript

Letsetsa carousel ka letsoho ka:

const carousel = new bootstrap.Carousel('#myCarousel')

Dikgetho

Kaha likhetho li ka fetisoa ka lintlha tsa data kapa JavaScript, u ​​ka kenyelletsa lebitso la khetho ho data-bs-, joalo ka data-bs-animation="{value}". Etsa bonnete ba hore o fetola mofuta oa nyeoe ea lebitso la khetho ho tloha " camelCase "ho " kebab-case " ha o fetisa likhetho ka litšobotsi tsa data. Ka mohlala, sebelisa data-bs-custom-class="beautifier"ho e-na le data-bs-customClass="beautifier".

Ho tloha ka Bootstrap 5.2.0, likarolo tsohle li ts'ehetsa tlhahlobo ea data e bolokiloeng data-bs-confige ka bolokang tlhophiso e bonolo ea karolo joalo ka khoele ea JSON. Ha element e na data-bs-config='{"delay":0, "title":123}'le data-bs-title="456"litšoaneleho, boleng ba ho qetela titlebo tla ba 456'me lintlha tse arohaneng tsa data li tla feta boleng bo fanoeng ho data-bs-config. Ntle le moo, litšoaneleho tse teng tsa data li khona ho boloka boleng ba JSON joalo ka data-bs-delay='{"show":0,"hide":150}'.

Lebitso Mofuta Ea kamehla Tlhaloso
interval palo 5000 Nako ea ho lieha pakeng tsa ho palama ntho ka bo eona.
keyboard boolean true Hore na carousel e lokela ho arabela liketsahalong tsa keyboard.
pause khoele, boolean "hover" Ha e setetswe ho "hover", e emisa ho palama baesekele ya carousel mouseenterebe e ntshetsa pele baesekele ya carousel ka mouseleave. Haeba e setiloe ho false, ho soaela holim'a carousel ho ke ke ha e emisa. Lisebelisoa tse lumelletsoeng ho ama, ha li setiloe ho "hover", ho palama baesekele ho tla emisa touchend(hang ha mosebelisi a qetile ho sebelisana le carousel) ka linako tse peli, pele e qala hape ka bo eona. Sena se tlatselletsa boitšoarong ba mouse.
ride khoele, boolean false Haeba e truesetetsoe ho , e bapala carousel ka mor'a hore mosebelisi a potolohe ntho ea pele. Ha e setetswe ho "carousel", e bapala carousel e ntse e le teng.
touch boolean true Hore na carousel e lokela ho ts'ehetsa litšebelisano tsa swipe ka ho le letšehali/le ho le letona ho lisebelisoa tsa sekirini sa ho ama.
wrap boolean true Hore na carousel e lokela ho potoloha ka ho sa feleng kapa e eme ka thata.

Mekhoa

Mekhoa ea Asynchronous le liphetoho

Mekhoa eohle ea API ha e- synchronous 'me e qala phetoho . Ba khutlela ho motho ea letselitseng hang ha phetoho e qala empa pele e fela . Ho feta moo, mohala oa mokhoa ho karolo ea phetoho o tla hlokomolohuoa .

Sheba litokomane tsa rona tsa JavaScript bakeng sa lintlha tse ling .

O ka etsa mohlala oa carousel le moetsi oa carousel, mohlala, ho qala ka likhetho tse ling ebe o qala ho palama baesekele ka har'a lintho:

const myCarouselElement = document.querySelector('#myCarousel')
const carousel = new bootstrap.Carousel(myCarouselElement, {
  interval: 2000,
  wrap: false
})
Mokhoa Tlhaloso
cycle E potoloha ka har'a lintho tsa carousel ho tloha ho le letšehali ho ea ho le letona.
dispose E senya carousel ea element. (E tlosa lintlha tse bolokiloeng karolong ea DOM)
getInstance Mokhoa o tsitsitseng o u lumellang hore u fumane mohlala oa carousel o amanang le karolo ea DOM, u ka e sebelisa tjena: bootstrap.Carousel.getInstance(element).
getOrCreateInstance Mokhoa o tsitsitseng o khutlisetsang ketsahalo ea carousel e amanang le element ea DOM kapa ho theha e ncha haeba e sa qalisoa. U ka e sebelisa ka tsela ena bootstrap.Carousel.getOrCreateInstance(element):.
next Lipotoloho ho ea nthong e latelang. E kgutlela ho moletsi pele ntho e latelang e bontshwa (mohlala, pele slid.bs.carouselketsahalo e etsahala).
nextWhenVisible Se ke oa potoloha carousel ho ea ho e latelang ha leqephe le sa bonahale kapa carousel kapa motsoali oa eona a sa bonahale. E khutlela ho ea letselitseng pele ntho e lebisitsoeng e bontšoa .
pause E emisa carousel ho palama baesekele ka har'a lintho.
prev Lipotoloho ho ea nthong e fetileng. E khutlela ho moletsi pele ntho e fetileng e bontšoa (mohlala, pele slid.bs.carouselketsahalo e etsahala).
to E potoloha carousel ho foreime e itseng (0 e thehiloeng, e ts'oanang le lethathamo). E khutlela ho motho ea letselitseng pele ntho e shebiloeng e bontšoa (mohlala, pele slid.bs.carouselketsahalo e etsahala).

Liketsahalo

Sehlopha sa carousel sa Bootstrap se pepesa liketsahalo tse peli tsa ho hokahana le ts'ebetso ea carousel. Liketsahalo tsena ka bobeli li na le litšobotsi tse latelang:

  • direction: Tsela eo carousel e thellang ho eona (ebang ke "left"kapa "right").
  • relatedTarget: Karolo ea DOM e ntseng e theoleloa sebakeng e le eona ntho e sebetsang.
  • from: Lenane la ntho ea hajoale
  • to: Lenane la ntho e latelang

Liketsahalo tsohle tsa carousel li thunngoa ho carousel ka boeona (ke hore ho <div class="carousel">).

Mofuta oa ketsahalo Tlhaloso
slid.bs.carousel E thunngoe ha carousel e qetile phetoho ea eona ea li-slide.
slide.bs.carousel E chesa hang-hang ha slidemokhoa oa mohlala o sebelisoa. 
const myCarousel = document.getElementById('myCarousel')

myCarousel.addEventListener('slide.bs.carousel', event => {
  // do something...
})