Vue使用swiper问题(5.2.0版本,避免踩坑)

npm i swiper@5.2.0

<template>
  <div
    class="CarouselContainer"
    @mouseenter="stopAutoPlay"
    @mouseleave="startAutoPlay"
  >
    <div ref="mySwiper" class="swiper-container" :id="currentIndex">
      <div class="swiper-wrapper">
        <div
          class="swiper-slide my-swiper-slide"
          v-for="(item, index) of slideList"
          :key="index"
        >
          {{ item }}
        </div>
      </div>
      <!-- 分页器 -->
      <!-- <div class="swiper-pagination"></div> -->
      <!--导航器-->
      <div class="swiper-button-prev"></div>
      <div class="swiper-button-next"></div>
    </div>
  </div>
</template>
<script>
import Swiper from "swiper";
import "swiper/css/swiper.css";
export default {
  name: "CarouselContainer",
  props: ["slideList", "currentIndex"],
  data() {
    return {
      currentSwiper: null,
    };
  },
  watch: {
    //slide数据发生变化时,更新swiper
    slideList: {
      deep: true,
      // eslint-disable-next-line
      handler(nv, ov) {
        console.log("数据更新了");
        this.updateSwiper();
      },
    },
  },
  mounted() {
    this.initSwiper();
  },
  methods: {
    //鼠标移入暂停自动播放
    stopAutoPlay() {
      this.currentSwiper.autoplay.stop();
    },
    //鼠标移出开始自动播放
    startAutoPlay() {
      this.currentSwiper.autoplay.start();
    },
    //初始化swiper
    initSwiper() {
      // eslint-disable-next-line
      let vueComponent = this; //获取vue组件实例
      //一个页面有多个swiper实例时，为了不互相影响,绑定容器用不同值或变量绑定
      this.currentSwiper = new Swiper("#" + this.currentIndex, {
        // 循环模式选项loop，默认为false，可动态设置，当slide只有一页时置为false，>1页时置为true
        loop: true, // 循环模式选项
        autoHeight: "true", //开启自适应高度,容器高度由slide高度决定
        //分页器
        // pagination: {
        //   el: '.swiper-pagination',
        //   clickable:true,//分页器按钮可点击
        // },
        //grabCursor: true, //小手掌抓取滑动
        // direction: "vertical", // 纵向滚动,默认是横向滚动的
        on: {
          //此处this为swiper实例
          //切换结束获取slide真实下标
          slideChangeTransitionEnd: function () {
            console.log(vueComponent.$props.currentIndex+"号swiper实例真实下标",this.realIndex)
          },
          //绑定点击事件,解决loop:true时事件丢失
          // eslint-disable-next-line
          click: function (event) {
            console.log("你点击了"+vueComponent.$props.currentIndex+"号swiper组件")
          },
        },
        //导航器
        navigation: {
          nextEl: ".swiper-button-next",
          prevEl: ".swiper-button-prev",
        },
        autoplay: {
          //自动播放,不同版本配置方式不同
          delay: 2000,
          stopOnLastSlide: false,
          disableOnInteraction: false, // 用户操作之后是否停止自动轮播默认true
        },
        slidesPerView: 1, //视口展示slide数1
        slidesPerGroup: 1, //slide数1页一组
      });
    },
    //销毁swiper
    destroySwiper() {
      try {
      // 此处destroy(bool1,bool2)
      // bool1代表是否销毁swiper实例
      // bool2代表是否销毁swiper样式（导航器、分页器等）
        this.currentSwiper.destroy(true, false);
      } catch (e) {
        console.log("删除轮播");
      }
    },
    //更新swiper（先销毁 再 重新初始化swiper）
    updateSwiper() {
      this.destroySwiper();
      this.$nextTick(() => {
        this.initSwiper();
      });
    },
  },
  // 组件销毁之前 销毁 swiper 实例
  beforeDestroy() {
    this.destroySwiper();
  },
};
</script>
<style scoped lang="scss">
.CarouselContainer {
  width: 100%;
  height: 100%;
  background-color: gray;
}
/*slide样式*/
.my-swiper-slide {
  height: 300px;
  background-color: pink;
}
/*swiper容器样式*/
.swiper-container {
  width: 700px;
  border: 1px solid red;
}
//   /*自定义分页器按钮被点击选中时的样式*/
//   ::v-deep(.swiper-pagination-bullet-active){
//     background-color: #d5a72f !important;
//     width: 20px;
//   }
//   /*自定义分页器按钮常规样式*/
//   ::v-deep(.swiper-pagination-bullet){
//     background-color: #9624bf;
//     opacity: 1;
//     width: 20px;
//   }
</style>

<template>
  <div class="father">
    <!--传递不同的currentIndex 作为区分不同swiper组件的动态id-->
    <CarouselContainer :slide-list="list" currentIndex="1"></CarouselContainer>
    <CarouselContainer :slide-list="list" currentIndex="2"></CarouselContainer>
    <button @click="changeData">更换数据喽</button>
  </div>
</template>
<script>
import CarouselContainer from './components/CarouselContainer.vue'
export default {
  components: {
    CarouselContainer,
  },
  data(){
    return{
      list:['a','b','c']
    }
  },
  methods: {
    changeData(){
    	const swiperList = ['我是图片1','我是图片2','我是图片3'];
    	this.list = swiperList ;
    }
  }
}
</script>
<style scoped>
</style>