滑溜旋转木马错误

Slick Carousel Error

本文关键字:错误 旋转木马      更新时间:2023-09-26

有人知道这个错误的可能原因吗?

Uncaught TypeError: Cannot read property 'add' of null

我正在使用React.js的光滑carousel。我传入图像数组作为道具,并调用图像滑块组件中的slick函数。这个组件在一个页面上工作得很好,但在另一个页面上,我一直看到这个错误,图像显示在滑块上,但我认为因为这个错误,其他东西在页面上断裂,有什么想法吗?

下面是该组件的主代码,图像作为道具从父组件传入:

import React from 'react';
import {Link} from 'react-router';
import _ from 'lodash';
import Carousel from '../../Util/Carousel';
const ResOpt = [{
    breakpoint: 768,
    settings: {
      slidesToShow: 3,
      slidesToScroll: 3,
      arrows: true,
      dots: false
    }
  }, {
    breakpoint: 600,
    settings: {
      slidesToShow: 1.5,
      slidesToScroll: 1.5,
      arrows: false,
      dots: false,
      infinite: false
    }
  }
];
class ImagesCarousel extends React.Component {
  constructor() {
    super();
    this.carouselDidStart = false;
    this.carousel = new Carousel({
      outerSelector: ".carousel-container",
      innerSelector: ".images-container",
      responsive: ResOpt,
      infinite: false
    });
  }
  componentDidUpdate() {
    if (!this.carouselDidStart && this.dataIsLoaded() ) {
      this.carousel.startCarousel();
    }
  }
  componentWillUnmount() {
    if (this.carousel) {
      this.carousel.destroy();
      this.carousel = null;
    }
  }
  dataIsLoaded() {
    return !_.isEmpty(this.props.images);
  }
  render() {
    let images = this.props.images;
    return (
      <div className="detail-images">
        <div className="carousel-container">
          <div className="images-container">
            {
              (images || []).map((image, index) => {
                return <div key={image.imageId} className="img-item"><img src={image.imageName}  /></div>
              })
            }
          </div>
        </div>
      </div>
    );
  }
}
export default ImagesCarousel;

下面是主carousel类:

import $ from 'jquery';
import slick from 'slick-carousel';

export default class Carousel {
  constructor(options) {
    this.carouselIsOn = false;
    this.breakpoint = breakpoint;
    this.innerSelector = options['innerSelector'];
    this.outerSelector = options['outerSelector'];
    this.slickOptions = {
      infinite: options.infinite || true,
      slidesToShow: options['slidesToShow'] || 3,
      slidesToScroll: options['slidesToScroll'] || 3,
      dots: true,
      arrows: true,
      appendArrows: options.appendArrows || `${this.outerSelector} .carousel-nav`,
      appendDots: options.appendDots  || `${this.outerSelector} .carousel-nav`,
      responsive: options.responsive || DEFAULT_RESPONSIVE
    };
    this.startCarousel = this.startCarousel.bind(this);
  }
  startCarousel() {
    const carouselContainer = $(this.innerSelector);
    carouselContainer.slick(this.slickOptions);
    this.carouselIsOn = true;
    carouselContainer.find('.slick-cloned').attr('data-reactid', null);
  }
  destroy() {
    $(this.innerSelector).slick("unslick");
  }

}

这可能是初始化两次slick的结果——参见另一个SO问题。你可以用init事件检查你是否运行了两次init。

$( '.your-slick-container' ).on('init', function(event, slick, direction){
    console.log('slick init');
});