swiper @change 真机不会触发 about sample HOT 4 CLOSED

<template>
  <div class="banner-wrap flex-column ai-center">
    <swiper
      class="swiper"
      autoplay="{{false}}"
      interval="{{5000}}"
      indicator="{{false}}"
      loop="{{false}}"
      @change="onChange"
    >
      <block for="{{sourceData.list || []}}">
        <banner-item source-data="{{$item}}" @go-detail="goDetail"></banner-item>
      </block>
    </swiper>

    <div class="step-wrap flex ai-center jc-center">
      <block for="{{sourceData.list || []}}">
        <div
          class="step {{currentIndex === $idx ? 'active' : ''}} {{$idx ? 'not-last' : ''}}"
        ></div>
      </block>
    </div>
  </div>
</template>