Bootstrap 4 JS Carousel


Các lớp CSS băng chuyền

Để có hướng dẫn về Băng chuyền, hãy đọc Hướng dẫn về Băng chuyền Bootstrap của chúng tôi .

Class Description
.carousel Creates a carousel
.carousel-indicators Adds indicators for the carousel. These are the little dots at the bottom of each slide (which indicates how many slides there are in the carousel, and which slide the user are currently viewing)
.carousel-inner Adds slides to the carousel
.carousel-item Specifies the content of each slide
.carousel-control-prev Adds a left (previous) button to the carousel, which allows the user to go back between the slides
.carousel-control-next Adds a right (next) button to the carousel, which allows the user to go forward between the slides
.carousel-control-prev-icon Used together with .carousel-control-prev to create a "previous" button
.carousel-control-next-icon Used together with .carousel-control-next to create a "next" button
.carousel-caption Specifies a caption for the carousel
.slide Adds a CSS transition and animation effect when sliding from one item to the next. Remove this class if you do not want this effect

Qua dữ liệu- * Thuộc tính

Thuộc data-ride="carousel"tính kích hoạt băng chuyền.

Thuộc tính data-slidedata-slide-tochỉ định trang trình bày sẽ đi đến.

Thuộc data-slidetính chấp nhận hai giá trị: trước hoặc tiếp theo , trong khi data-slide-tochấp nhận số.

Thí dụ

<!-- Carousel -->
<div id="myCarousel" class="carousel slide" data-ride="carousel">

<!-- Carousel Indicators -->
<li data-target="#myCarousel" data-slide-to="1"></li>

<!-- Carousel Controls -->
<a class="carousel-control-prev" href="#myCarousel" data-slide="prev">
  <span class="carousel-control-prev-icon"></span>
</a>

Qua JavaScript

Bật theo cách thủ công với:

Thí dụ

// Activate Carousel
$("#myCarousel").carousel();

// Enable Carousel Indicators
$(".item").click(function(){
  $("#myCarousel").carousel(1);
});

// Enable Carousel Controls
$(".carousel-control-prev").click(function(){
  $("#myCarousel").carousel("prev");
});

Tùy chọn băng chuyền

Các tùy chọn có thể được chuyển qua các thuộc tính dữ liệu hoặc JavaScript. Đối với các thuộc tính dữ liệu, hãy nối tên tùy chọn vào data-, như trong data-period = "".

Name Type Default Description Try it
interval number, or the boolean false 5000 Specifies the delay (in milliseconds) between each slide.

Note: Set interval to false to stop the items from automatically sliding
keyboard boolean true Specifies whether the carousel should react to keyboard events:

  • true - the carousel can be navigated (next and previous) with the keyboard left and right arrows
  • false - the carousel can NOT be navigated with the keyboard left and right arrows
pause string, or the boolean false "hover" Pauses the carousel from going through the next slide when the mouse pointer enters the carousel, and resumes the sliding when the mouse pointer leaves the carousel

Note: Set pause to false to stop the ability to pause on hover
wrap boolean true Specifies whether the carousel should go through all slides continuously, or stop at the last slide

  • true - cycle continuously
  • false - stop at the last item

Phương pháp băng chuyền

Bảng sau liệt kê tất cả các phương thức băng chuyền có sẵn.

Method Description Try it
.carousel(options) Activates the carousel with an option. See options above for valid values
.carousel("cycle") Goes through the carousel items from left to right
.carousel("pause") Stops the carousel from going through items
.carousel(number) Goes to a specified item (zero-based: first item is 0, second item is 1, etc..)
.carousel("prev") Goes to the previous item
.carousel("next") Goes to the next item
.carousel("dispose") Destroys a carousel

Sự kiện băng chuyền

Bảng sau liệt kê tất cả các sự kiện băng chuyền có sẵn.

Event Description Try it
slide.bs.carousel Occurs when the carousel is about to slide from one item to another
slid.bs.carousel Occurs when the carousel has finished sliding from one item to another

Các sự kiện trượt và trượt cũng có các thuộc tính bổ sung:

Property Description Try it
direction Returns the direction the carousel is sliding (left or right)
relatedTarget Returns the DOM element that is being slid into place as the active item
from Returns the index of where the previous item came from, when moving on to the next one
to Returns the index of the next item