yuban-wx/yuban/components/home/index.wxml

<view class="startup-page">
  <swiper
    class="startup-swiper"
    autoplay="true"
    interval="4000"
    duration="500"
    circular="true"
    indicator-dots="{{false}}"
    bindchange="onSwiperChange"
  >
    <swiper-item wx:for="{{slides}}" wx:key="*this">
      <image
        class="startup-slide-image"
        mode="aspectFill"
        src="https://file.yuban.co/img/splash/{{item}}.png"
      />
    </swiper-item>
  </swiper>

  <view class="carousel-dots">
    <view
      wx:for="{{slides}}"
      wx:key="*this"
      class="carousel-dot {{index === activeSlide ? 'is-active' : ''}}"
    />
  </view>

  <view class="startup-actions">
    <button class="enter-btn" bindtap="onEnter" loading="{{loading}}">
      <text wx:if="{{!loading}}">立即使用</text>
      <text wx:else>正在进入...</text>
    </button>
  </view>
</view>