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Carousel

Ngwa ihe ngosi mmịfe maka ịgba ígwè site na ọcha—onyinyo ma ọ bụ slides nke ederede—dị ka carousel.

Na ibe a

Ka o si arụ ọrụ

Carousel bụ ihe ngosi mmịfe maka ịgba ígwè site na usoro ọdịnaya, nke ejiri mgbanwe CSS 3D wuo yana ntakịrị Javascript. Ọ na-arụ ọrụ na usoro onyonyo, ederede, ma ọ bụ akara aha omenala. Ọ gụnyekwara nkwado maka njikwa gara aga/ na-esote yana egosi.

N'ime ihe nchọgharị ebe a na-akwado API Visibility Page , carousel ga-ezere mbanye mgbe onye ọrụ na-ahụghị ibe weebụ (dị ka mgbe taabụ nchọgharị anaghị arụ ọrụ, ebelata windo ihe nchọgharị, wdg).

Mmetụta animation nke akụrụngwa a dabere na prefers-reduced-motionajụjụ mgbasa ozi. Hụ akụkụ ngagharị ewelatala nke akwụkwọ nnweta anyị .

Biko mara na anaghị akwado carousels akwụ ụgwọ, yana carousels anaghị agbaso ụkpụrụ nnweta.

Ọmụmaatụ

Carousels anaghị emegharị akụkụ slide ozugbo. Dị ka nke a, ị nwere ike ịchọ iji ngwa ngwa ma ọ bụ ụdị ahaziri ahazi iji wepụta ọdịnaya nke ọma. Ọ bụ ezie na carousels na-akwado njikwa gara aga/na-esote na egosi, a chọghị ha n'ụzọ doro anya. Tinye ma hazie ka ọ dị gị mma.

Ekwesịrị .activeịgbakwunye klas ahụ n'otu n'ime ihe nkiri ahụ ma ọ bụghị na carousel agaghị ahụ anya. Jide n'aka na ịtọọ ihe pụrụ iche idna .carouselnjikwa nhọrọ, ọkachasị ma ọ bụrụ na ị na-eji ọtụtụ carousels n'otu ibe. Ihe njikwa na egosi ga-enwerịrị njiri mara data-bs-target(ma ọ bụ hrefmaka njikọ) dabara na idmmewere .carousel.

Naanị ihe mmịfe

Nke a bụ carousel nwere naanị slide. Rịba ama ọnụnọ nke .d-blockna .w-100foto carousel iji gbochie ndakọrịta ihe nchọgharị ndabere ndabere.

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>

Na njikwa

Na-agbakwụnye na njikwa gara aga na nke ọzọ. Anyị na-akwado iji <button>ihe, mana ị nwekwara ike iji <a>ihe nwere 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>

Na egosi

Ịnwekwara ike ịgbakwunye ihe ngosi na carousel, n'akụkụ njikwa, kwa.

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>

Site na nkọwa okwu

Tinye nkọwa okwu na slide gị n'ụzọ dị mfe na .carousel-captionmmewere dị n'ime nke ọ bụla .carousel-item. Enwere ike zoo ha n'ụzọ dị mfe na obere nlele, dị ka egosiri n'okpuru ebe a, yana ihe ngosi nhọrọ . Anyị na-eji ezobe ha na mbụ .d-nonewee weghachi ha na ngwaọrụ ndị nwere ọkara .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

Tinye .carousel-fadena carousel gị ka ọ na-eme ihe nkiri slide nwere mgbanwe na-ada ada kama slide. Dabere na ọdịnaya carousel gị (dịka ọmụmaatụ, ederede naanị slide), ị nwere ike ịtinye .bg-bodyma ọ bụ ụfọdụ CSS omenala na .carousel-items maka ịfefe kwesịrị ekwesị.

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>

Tinye data-bs-interval=""na a .carousel-itemiji gbanwee oge ị ga-egbu oge n'etiti ịgba ígwè na-akpaghị aka gaa na ihe ọzọ.

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>

Gbanyụọ mmetụ aka

Carousels na-akwado ịpị aka ekpe/aka nri na ngwaọrụ ihuenyo mmetụ ka ịkwaga n'etiti ihe mmịfe. Enwere ike gbanyụọ nke a site na iji data-bs-touchnjirimara. Ihe atụ dị n'okpuru anaghị agụnye data-bs-ridenjirimara ya mere na ọ naghị egwuri egwu.

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>

Ụdị gbara ọchịchịrị

Tinye .carousel-darkna .carouselmaka njikwa gbara ọchịchịrị, egosi, na nkọwa okwu. Atụgharịla njikwa site na njupụta ọcha ha na akụrụngwa filterCSS. Isi okwu na njikwa nwere mgbanwe Sass ndị ọzọ na-ahazi colorna 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>

Ntughari omenala

Enwere ike ịgbanwe oge mgbanwe .carousel-itemsite na $carousel-transition-durationmgbanwe Sass tupu achịkọta ma ọ bụ ụdị omenala ma ọ bụrụ na ị na-eji CSS achịkọtara. Ọ bụrụ na etinyere ọtụtụ mgbanwe, hụ na a kọwapụtara mgbanwe mgbanwe na mbụ (dịka ọmụmaatụ transition: transform 2s ease, opacity .5s ease-out).

Sass

Mgbanwe

Mgbanwe maka carousels niile:

$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`)

Mgbanwe maka carousel gbara ọchịchịrị :

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

Ojiji

Site na njirimara data

Jiri njirimara data iji jikwaa ọnọdụ carousel ngwa ngwa. data-bs-slidena-anabata mkpụrụokwu prevma ọ bụ next, nke na-agbanwe ọnọdụ slide dabere na ọnọdụ ya ugbu a. N'aka nke ọzọ, jiri data-bs-slide-toiji nyefee akara ngosi mmịfe raw na carousel data-bs-slide-to="2", nke na-atụgharị ọnọdụ mmịfe ahụ gaa n'otu ndeksi malite na 0.

A data-bs-ride="carousel"na-eji njirimara ahụ akara carousel ka ọ na-amalite na ibu ibe. Ọ bụrụ na ị naghị eji data-bs-ride="carousel"mmalite carousel gị, ị ga-amalite ya n'onwe gị. Enweghị ike iji ya na (nke na-adịghị mkpa na enweghị isi) mmalite Javascript doro anya nke otu carousel.

Site JavaScript

Jiri aka kpọọ carousel:

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

Nhọrọ

Dịka enwere ike ịfefe nhọrọ site na njirimara data ma ọ bụ Javascript, ị nwere ike itinye aha nhọrọ na data-bs-, dịka na data-bs-animation="{value}". Gbaa mbọ hụ na ị gbanwee ụdị ikpe nke aha nhọrọ site na " camelCase " gaa na " kebab-case " mgbe ị na-agafe nhọrọ site na njirimara data. Dịka ọmụmaatụ, jiri data-bs-custom-class="beautifier"kama data-bs-customClass="beautifier".

Dịka nke Bootstrap 5.2.0, akụrụngwa niile na-akwado njirimara data echekwara nnwaledata-bs-config nke nwere ike idobe nhazi akụrụngwa dị mfe dị ka eriri JSON. Mgbe mmewere nwere data-bs-config='{"delay":0, "title":123}'na data-bs-title="456"njiri mara, uru ikpeazụ titlega-abụ 456na njirimara data dị iche ga-ewepụ ụkpụrụ enyere na data-bs-config. Na mgbakwunye, njirimara data dị adị nwere ike idobe ụkpụrụ JSON dịka data-bs-delay='{"show":0,"hide":150}'.

Aha Ụdị Ọdabara Nkọwa
interval nọmba 5000 Ogologo oge igbu oge n'etiti ịnya igwe na-akpaghị aka.
keyboard boolean true Ma carousel kwesịrị imeghachi omume na mmemme ahụigodo.
pause eriri, boolean "hover" Ọ bụrụ na ịtọ ya "hover", kwụsịtụ ịgba ígwè nke carousel mouseenterma maliteghachi ịgba ígwè nke carousel na mouseleave. Ọ bụrụ na ịtọ ya false, ịfegharị n'elu carousel agaghị akwụsịtụ ya. Na ngwaọrụ enyere aka, mgbe atọrọ na "hover", ịgba ígwè ga-akwụsịtụ touchend(otu oge onye ọrụ ya na carousel na-emekọrịta ihe) maka nkeji abụọ, tupu ịmaliteghachi ozugbo. Nke a na mgbakwunye na omume òké.
ride eriri, boolean false Ọ bụrụ na atọrọ na true, na-akpọ ụgbọ carousel na-akpaghị aka ka onye ọrụ jiri aka gbachie ihe mbụ. Ọ bụrụ na edobere ya "carousel", na-egwu carousel na ibu.
touch boolean true Ma carousel kwesịrị ịkwado mmekọrịta swipe aka ekpe/aka nri na ngwaọrụ ihuenyo mmetụ aka.
wrap boolean true Ma carousel kwesịrị ịnya okirikiri ma ọ bụ nwee nkwụsị siri ike.

Ụzọ

Ụzọ asynchronous na ntụgharị

Ụzọ API niile enweghị atụ wee malite mgbanwe . Ha na-alaghachikwuru onye na-akpọ oku ozugbo mgbanwe ahụ malitere mana tupu ya akwụsị . Na mgbakwunye, a ga-eleghara oku usoro na mpaghara mgbanwe anya .

Hụ akwụkwọ Javascript anyị maka ozi ndị ọzọ .

Ị nwere ike ịmepụta ihe atụ carousel na onye na-arụ ọrụ carousel, dịka ọmụmaatụ, iji malite nhọrọ ndị ọzọ wee malite ịnya igwe site na ihe:

const myCarouselElement = document.querySelector('#myCarousel')
const carousel = new bootstrap.Carousel(myCarouselElement, {
  interval: 2000,
  wrap: false
})
Usoro Nkọwa
cycle Na-agagharị na ihe carousel site n'aka ekpe gaa n'aka nri.
dispose Na-ebibi carousel nke element. (Na-ewepụ data echekwara na mmewere DOM)
getInstance Usoro static nke na-enye gị ohere ịnweta ihe atụ carousel jikọtara na ihe DOM, ị nwere ike iji ya dị ka nke a: bootstrap.Carousel.getInstance(element).
getOrCreateInstance Usoro static nke na-eweghachi ihe atụ carousel jikọtara na ihe DOM ma ọ bụ mepụta nke ọhụrụ ma ọ bụrụ na ebidoghị ya. Ị nwere ike iji ya dị ka nke a bootstrap.Carousel.getOrCreateInstance(element):.
next Chọgharịa gaa na ihe na-esote. Na-alaghachikwute onye na-akpọ oku tupu egosiri ihe na-esote (dịka, tupu slid.bs.carouselmmemme emee).
nextWhenVisible Anyagharịla carousel gaa na-esote mgbe ahụghị ibe ahụ ma ọ bụ carousel ma ọ bụ nne na nna ya ahụghị. Na-alaghachikwute onye na-akpọ oku tupu egosiri ihe ezubere iche .
pause Na-akwụsị carousel site n'ịgba ígwè na ihe.
prev Ọkpụkpụ gaa na ihe gara aga. Na-alaghachikwute onye na-akpọ oku tupu egosiri ihe gara aga (dịka, tupu slid.bs.carouselmmemme emee).
to Na-eme okirikiri carousel gaa n'otu etiti (0 dabere, yiri n'usoro). Na-alaghachikwute onye na-akpọ oku tupu egosiri ihe ezubere iche (dịka, tupu slid.bs.carouselmmemme emee).

Ihe omume

Klas carousel Bootstrap na-ekpughe ihe omume abụọ maka itinye aka na ọrụ carousel. Ihe omume abụọ a nwere ihe mgbakwunye ndị a:

  • direction: Ntuziaka nke carousel na-amị amị (ma "left"ọ bụ "right").
  • relatedTarget: Ihe DOM nke a na-agbanye n'ime ebe dị ka ihe na-arụ ọrụ.
  • from: Ndekọ nke ihe dị ugbu a
  • to: Ndekọ ihe na-esote

A na-agbapụ ihe omume carousel niile na carousel n'onwe ya (ya bụ na <div class="carousel">).

Ụdị mmemme Nkọwa
slid.bs.carousel Agba ọkụ mgbe carousel mechaala ngbanwe slide ya.
slide.bs.carousel Na-agba ọkụ ozugbo slidea kpọkuru usoro ihe atụ. 
const myCarousel = document.getElementById('myCarousel')

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