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Carousel

Chigawo cha chiwonetsero chazithunzi poyendetsa zinthu - zithunzi kapena masilaidi a mawu - ngati carousel.

Patsamba ili

Momwe zimagwirira ntchito

Carousel ndi chiwonetsero chazithunzi chakuyenda panjinga zingapo, zomangidwa ndi zosintha za CSS 3D ndi JavaScript pang'ono. Zimagwira ntchito ndi zithunzi zingapo, zolemba, kapena zolembera makonda. Zimaphatikizansopo zothandizira zowongolera zam'mbuyo / zotsatila ndi zizindikiro.

M'masakatuli omwe Tsamba Lowonekera API limathandizidwa, carousel imapewa kutsetsereka pomwe tsamba lawebusayiti silikuwoneka kwa wogwiritsa ntchito (monga pomwe tsamba la msakatuli silikugwira ntchito, zenera la osatsegula limachepetsedwa, ndi zina).

Kanema wa gawoli amadalira prefers-reduced-motionfunso la media. Onani gawo lochepetsedwa la zolemba zathu zofikira .

Chonde dziwani kuti ma carousel okhala ndi zisa sagwiritsidwa ntchito, ndipo ma carousel nthawi zambiri satsatira miyezo yofikira.

Chitsanzo

Ma carousel samangosintha kukula kwa slide. Chifukwa chake, mungafunike kugwiritsa ntchito zina zowonjezera kapena masitayilo achikhalidwe kuti mukwaniritse kukula koyenera. Ngakhale ma carousel amathandizira maulamuliro am'mbuyomu/otsatira ndi zizindikiro, sizofunikira. Onjezani ndikusintha momwe mukufunira.

Kalasi .activeiyenera kuwonjezeredwa ku imodzi mwazithunzi apo ayi carousel sidzawoneka. Onetsetsaninso kuti mwakhazikitsa zapadera pazowongolera idzomwe .carouselmwasankha, makamaka ngati mukugwiritsa ntchito ma carousel angapo patsamba limodzi. Zinthu zowongolera ndi zowonetsera ziyenera kukhala ndi mawonekedwe data-bs-target(kapena hrefmaulalo) omwe amafanana idndi .carouselchinthucho.

Masilayidi okha

Nayi kalasi yokhala ndi masiladi okha. Dziwani kupezeka kwa zithunzi .d-blockndi .w-100pa carousel kuti mupewe kusanja kwazithunzi zosasinthika.

<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>

Ndi zowongolera

Kuwonjezera maulamuliro akale ndi otsatira. Timalimbikitsa kugwiritsa ntchito <button>maelementi, koma mutha kugwiritsanso ntchito <a>maelementi okhala ndi 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>

Ndi zizindikiro

Mukhozanso kuwonjezera zizindikiro ku carousel, pambali pa maulamuliro, nawonso.

<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>

Ndi mawu ofotokozera

Onjezani mawu omasulira pamasiladi anu mosavuta ndi .carousel-captionchinthu chomwe chili mkati mwa .carousel-item. Atha kubisika mosavuta pamawonekedwe ang'onoang'ono, monga momwe tawonetsera pansipa, ndi zida zowonetsera . Timawabisa poyamba ndi .d-nonekuwabweretsanso pazida zokhala ndi .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

Onjezani .carousel-fadeku carousel yanu kuti muwongolere ma slide ndi kusintha kozilala m'malo mwa 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>

Onjezani data-bs-interval=""ku a .carousel-itemkuti musinthe kuchuluka kwa nthawi yochedwetsa pakati pa kupalasa njinga kupita ku chinthu chotsatira.

<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>

Letsani swiping pakukhudza

Ma Carousel amathandizira kusuntha kumanzere / kumanja pazida zowonekera kuti musunthe pakati pa masilaidi. Izi zitha kuzimitsidwa pogwiritsa ntchito mawonekedwe data-bs-touch. Chitsanzo chomwe chili pansipa sichikuphatikizanso mawonekedwe ake data-bs-ridendipo data-bs-interval="false"sichimangosewera.

<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>

Mtundu wakuda

Onjezani .carousel-darkku .carouselzowongolera zakuda, zizindikiro, ndi mawu ofotokozera. Zowongolera zasinthidwa kuchoka ku kudzaza kwawo koyera ndi filterkatundu wa CSS. Mawu omasulira ndi maulamuliro ali ndi zina za Sass zomwe zimakonda kusintha colorndi 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>

Kusintha mwamakonda

Nthawi yosinthira .carousel-itemimatha kusinthidwa ndikusintha kwa $carousel-transition-durationSass musanapange kapena masitayilo achikhalidwe ngati mukugwiritsa ntchito CSS yophatikizidwa. Ngati masinthidwe angapo agwiritsidwa ntchito, onetsetsani kuti masinthidwewo afotokozedwa poyamba (mwachitsanzo. transition: transform 2s ease, opacity .5s ease-out).

Sass

Zosintha

$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);

Kugwiritsa ntchito

Kudzera muzochita za data

Gwiritsani ntchito mawonekedwe a data kuti muwongolere malo a carousel mosavuta. data-bs-slideimavomereza mawu osakira prevkapena next, omwe amasintha malo a slide mogwirizana ndi momwe alili pano. Kapenanso, gwiritsani ntchito data-bs-slide-tokupititsa index ya silayidi ku carousel data-bs-slide-to="2", yomwe imasamutsa malo a slide kupita ku index inayake kuyambira ndi 0.

Makhalidwewa data-bs-ride="carousel"amagwiritsidwa ntchito kuyika carousel ngati yosangalatsa kuyambira pamasamba. Ngati simugwiritsa ntchito data-bs-ride="carousel"kuyambitsa carousel yanu, muyenera kuyiyambitsa nokha. Sichingagwiritsidwe ntchito limodzi ndi (zosafunikira komanso zosafunikira) kutsegulira kwa JavaScript kwa carousel yomweyo.

Kudzera pa JavaScript

Imbani carousel pamanja ndi:

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

Zosankha

Zosankha zitha kuperekedwa kudzera pa data kapena JavaScript. Pamawonekedwe a data, yonjezerani dzina lachisankho ku data-bs-, monga mu data-bs-interval="".

Dzina Mtundu Zosasintha Kufotokozera
interval nambala 5000 Kuchuluka kwa nthawi yochedwetsa pakati pa kuyendetsa chinthu chokha. Ngati false, carousel sidzangozungulira basi.
keyboard boolean true Kaya carousel ikuyenera kuchitapo kanthu pazochitika za kiyibodi.
pause chingwe | boolean 'hover'

Ngati 'hover'ikonzedwa , imitsani kukwera njinga ya carousel mouseenterndikuyambanso kukwera njinga ya carousel pa mouseleave. Ngati falseitayikidwa , kuyimirira pamwamba pa carousel sikuyimitsa.

Pazida zoyatsidwa ndi kukhudza, zikakhazikitsidwa ku 'hover', kupalasa njinga kudzayima touchend(wogwiritsa ntchito akamaliza kucheza ndi carousel) kwa magawo awiri, asanayambenso. Zindikirani kuti izi ndikuwonjezera pamakhalidwe omwe ali pamwambapa.
ride chingwe | boolean false Amasewera okha carousel wogwiritsa ntchito atazungulira pamanja chinthu choyamba. Ngati itayikidwa ku 'carousel', imasewera yokha carousel yomwe ili ndi katundu.
wrap boolean true Kaya carousel iyenera kuzungulira mosalekeza kapena kuyima movutikira.
touch boolean true Kaya carousel iyenera kuthandizira kusinthana kwa swipe kumanzere/kumanja pazida zapa touchscreen.

Njira

Asynchronous njira ndi kusintha

Njira zonse za API ndizosasinthika ndipo zimayamba kusintha . Amabwerera kwa woyimbayo atangoyamba kusintha koma asanathe . Kuonjezera apo, kuyitana kwa njira pa gawo losintha kudzanyalanyazidwa .

Onani zolemba zathu za JavaScript kuti mudziwe zambiri .

Mutha kupanga chochita cha carousel ndi wopanga carousel, mwachitsanzo, kuti muyambe ndi zina zowonjezera ndikuyamba kupalasa njinga kudzera muzinthu:

var myCarousel = document.querySelector('#myCarousel')
var carousel = new bootstrap.Carousel(myCarousel, {
  interval: 2000,
  wrap: false
})
Njira Kufotokozera
cycle Amazungulira zinthu za carousel kuchokera kumanzere kupita kumanja.
pause Imayimitsa carousel kuti isayendetse zinthu.
prev Kuzungulira kwa chinthu cham'mbuyo. Imabwerera kwa woyimbayo chinthu cham'mbuyo chisanasonyezedwe (mwachitsanzo, slid.bs.carouselchochitikacho chisanachitike).
next Kuzungulira ku chinthu chotsatira. Imabwereranso kwa woyimbirayo chinthu china chisanasonyezedwe (mwachitsanzo, slid.bs.carouselchochitika chisanachitike).
nextWhenVisible Osayendetsa carousel kupita kwina pomwe tsamba silikuwoneka kapena carousel kapena kholo lake silikuwoneka. Amabwerera kwa woyimbirayo chinthu chomwe mukufuna chisanasonyezedwe
to Azunguliza carousel ku chimango china (0 kutengera, ofanana ndi gulu). Kubwerera kwa woyimbayo chinthu chomwe mukufuna chisanasonyezedwe (mwachitsanzo, slid.bs.carouselchochitikacho chisanachitike).
dispose Kuwononga carousel ya element. (Imachotsa deta yosungidwa pa chinthu cha DOM)
getInstance Njira yosasunthika yomwe imakupatsani mwayi woti mugwirizane ndi chinthu cha DOM, mutha kuchigwiritsa ntchito motere:bootstrap.Carousel.getInstance(element)
getOrCreateInstance Njira yosasunthika yomwe imabweretsanso chochitika cha carousel chokhudzana ndi chinthu cha DOM kapena kupanga china china ngati sichinayambike. Mutha kugwiritsa ntchito motere:bootstrap.Carousel.getOrCreateInstance(element)

Zochitika

Kalasi ya carousel ya Bootstrap imawulula zochitika ziwiri zolumikizana ndi machitidwe a carousel. Zochitika zonsezi zili ndi zotsatirazi zowonjezera:

  • direction: Njira yomwe carousel ikutsetserekera (kaya "left"kapena "right").
  • relatedTarget: Chigawo cha DOM chomwe chikusunthidwa kuti chikhale chogwira ntchito.
  • from: Mndandanda wazinthu zamakono
  • to: Mlozera wa chinthu chotsatira

Zochitika zonse za carousel zimathamangitsidwa pa carousel yomwe (ie pa <div class="carousel">).

Mtundu wa chochitika Kufotokozera
slide.bs.carousel Kuwotcha nthawi yomweyo slidenjira yachitsanzo ikugwiritsidwa ntchito.
slid.bs.carousel Kuwotchedwa pamene carousel yamaliza kusintha kwake kwa slide. 
var myCarousel = document.getElementById('myCarousel')

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