swiper6使用鼠标滚轮失效退回swiper4即可

卸载 npm uninstall swiper 

npm install swiper@4.5 --save-dev

<template>
  <div class="swiper-container">
    <div class="swiper-wrapper">
      <div class="swiper-slide">Slide 1</div>
      <div class="swiper-slide">Slide 2</div>
      <div class="swiper-slide">Slide 3</div>
    </div>
    <!-- 如果需要分页器 -->
    <div class="swiper-pagination"></div>

    <!-- 如果需要导航按钮 -->
    <!-- <div class="swiper-button-prev"></div>
    <div class="swiper-button-next"></div> -->

    <!-- 如果需要滚动条 -->
    <!-- <div class="swiper-scrollbar"></div> -->
  </div>
</template>

<script>
// import { Swiper, SwiperSlide, directive } from 'vue-awesome-swiper'
// import Swiper from 'swiper';
import Swiper from 'swiper';
import "swiper/dist/css/swiper.min.css";
export default {
  name: 'HelloWorld',
  data () {
    return {
      msg: 'Welcome to Your Vue.js App'
    }
  },
  mounted () {
    this.openFullScreen()
    var mySwiper = new Swiper('.swiper-container', {
      // direction: 'vertical', // 垂直切换选项
      // loop: true, // 循环模式选项
      // mousewheel: true, //滚轮
      // // observer: true,//修改swiper自己或子元素时，自动初始化swiper 
      // // observeParents: true,//修改swiper的父元素时，自动初始化swiper 
      // // slidesPerView: 'auto',
      // // paginationClickable: true,
      // // spaceBetween: 0,
      // // 如果需要分页器
      // pagination: {
      //   el: '.swiper-pagination',
      // },
      observer: true, //修改swiper自己或子元素时，自动初始化swiper
      observeParents: true, //修改swiper的父元素时，自动初始化swiper
      mousewheel: true,//开启鼠标滚轮控制滑动
      mousewheel: {
        releaseOnEdges: true,//PC端释放滑动    
      },
      direction: 'vertical',
      pagination: {
        el: '.swiper-pagination',
        clickable: true
      },
      speed: 1000

      // // 如果需要前进后退按钮
      // navigation: {
      //   nextEl: '.swiper-button-next',
      //   prevEl: '.swiper-button-prev',
      // },

      // // 如果需要滚动条
      // scrollbar: {
      //   el: '.swiper-scrollbar',
      // },
    })
  },
  methods: {
    openFullScreen () {
      //loading加载页样式
      const loading = this.$loading({
        lock: true,
        text: '',//loading加载信息
        spinner: 'el-icon-loading',
        background: 'rgba(0, 0, 0, 0.1)'
      })
      setTimeout(() => {
        loading.close()
      }, 100)//0.1s后清除，基本上肉眼不可见，不影响用户体验
    }
  }
}
</script>
<style scoped>
.swiper-container {
  width: 1000px;
  height: 600px;
  /* margin: 20px auto; */
  background-color: red;
}
</style>