ant-design-vue/components/vc-slick/demo/SlideChangeHooks.jsx

import '../assets/index.less';
import Slider from '../src/slider';

export default {
  data() {
    return {
      activeSlide: 0,
      activeSlide2: 0,
    };
  },
  render() {
    const settings = {
      props: {
        dots: true,
        infinite: true,
        speed: 1000,
        slidesToShow: 1,
        slidesToScroll: 1,
        beforeChange: (current, next) => {
          this.activeSlide = next;
        },
        afterChange: current => {
          this.activeSlide2 = current;
        },
      },
    };
    return (
      <div>
        <h2>beforeChange and afterChange hooks</h2>
        <p>
          BeforeChange => activeSlide: <strong>{this.activeSlide}</strong>
        </p>
        <p>
          AfterChange => activeSlide: <strong>{this.activeSlide2}</strong>
        </p>
        <Slider {...settings}>
          <div>
            <h3>1</h3>
          </div>
          <div>
            <h3>2</h3>
          </div>
          <div>
            <h3>3</h3>
          </div>
          <div>
            <h3>4</h3>
          </div>
          <div>
            <h3>5</h3>
          </div>
          <div>
            <h3>6</h3>
          </div>
        </Slider>
      </div>
    );
  },
};