Detailed explanation of how to use the image carousel component gallery slider

<scroll-view scroll-y="true" style="height:200px" class="page-body" bindscrolltolower="loadMore">
 <view class="swiper">
  <swiper class="swiper-box" indicator-dots="{{indicatorDots}}" vertical="{{vertical}}"
      autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}"
      indicator-color="#fff" indicator-active-color="red">
    <block wx:for-items="{{banner_url}}" wx:key="item.id">
      <navigator url="../blogList/blogList">
       <swiper-item>
        <block wx:if="{{item}}">
         <image class="imgw" src="{{item.url}}" mode="aspectFill"/>
        </block>
        <block wx:else>
         <image src="../../images/default_pic.png" mode="aspectFill"></image>
        </block>
       </swiper-item>
      </navigator>
    </block>
  </swiper>
 </view>
</scroll-view>

.imgw{width:100%;}

/**
 *页面的初始数据
 */
data: {
 banner_url: data.bannerList(),
 open: false,
 indicatorDots: true,//是否显示面板指示点
 autoplay: true,//是否开启自动切换
 interval: 3000,//自动切换时间间隔
 duration: 500//滑动动画时长
}