微信小程序实现带缩略图轮播效果

<view id="content">
 <!--banner-->
 <view class="recommend">
  <view class="swiper-container">
   <swiper autoplay="auto" interval="5000" duration="500" current="{{swiperCurrent}}" circular="{{circular}}" bindchange="swiperChange" class="swiper">
    <block wx:for="{{slider}}" wx:key="unique">
     <swiper-item data-id="{{item.id}}" data-url="{{item.linkUrl}}" class="dot{{index == swiperCurrent ? ' active' : ''}}" bindtap="chuangEvents" id="{{index}}">
      <image src="{{item.picUrl}}" class="img"></image>
      <span>{{item.index+1}}</span>
     </swiper-item>
    </block>
   </swiper>
   <view class="dots">
    <swiper autoplay="auto" interval="5000" display-multiple-items="7" duration="500" current="{{dotsCurrent}}" circular="{{circular}}" bindchange="dotsChange">
     <block wx:for="{{slider}}" wx:key="unique">
      <swiper-item data-id="{{item.id}}" class="dot{{index == swiperCurrent ? ' active' : ''}}" bindtap="chuangEvent" id="{{index}}">
       <image src="{{item.picUrl}}" class="imgs"></image>
      </swiper-item>
     </block>
    </swiper>
   </view>
 
  </view>
 </view>
</view>

/* pages/shouye/shouye.wxss */
 
page {
 background: #333;
 width: 100%;
 height: 100%;
 overflow: hidden;
}
 
#content {
 background: #333;
 width: 100%;
 height: 100%;
 overflow: hidden;
}
 
a {
 width: 100%;
 height: 50px;
 overflow: hidden;
}
 
/*banner轮播 */
 
.swiper-container {
 margin-top: 23%;
 position: relative;
}
 
.swiper-container .swiper {
 height: 600rpx;
}
 
.swiper-container .swiper .img {
 width: 100%;
 height: 100%;
}
 
.swiper-container .dots {
 position: fixed;
 height: 80px;
 right: 0rpx;
 width: 100%;
 bottom: 0rpx;
}
 
.swiper-container .dots .dot {
 /* margin: auto 3px; */
 /* width: 58px !important; */
 height: 65px !important;
 /* background: #333; */
 /* transition: all 0.6s; */
}
 
.swiper-container .dots .dot.active .imgs {
 width: 100% !important;
 height: 100%;
 margin: 0% auto;
}
 
.imgs {
 width: 85%;
 display: block;
 margin: 5% auto;
 height: 90%;
}
 
.swiper-container .dotes {
 position: absolute;
 right: 40rpx;
 bottom: 20rpx;
 display: flex;
 justify-content: center;
}
 
.swiper-container .dotes .dote {
 margin: 0 10rpx;
 width: 28rpx;
 height: 28rpx;
 background: #fff;
 border-radius: 50%;
 transition: all 0.6s;
 font: 300 18rpx/28rpx "microsoft yahei";
 text-align: center;
}
 
.swiper-container .dotes .dote.actives {
 background: #f80;
 color: #fff;
}

//banner
Page({
 data: {
  //轮播图
  slider: [],
  swiperCurrent: 3,
  slider: [{
   url: '', picUrl: 'images/1.jpg'
  },
  {
   picUrl: 'images/5.jpg'
  },
  {
   picUrl: 'images/3.jpg'
  },
  {
   picUrl: 'images/4.jpg'
  },
  {
   picUrl: 'images/5.jpg'
  },
  {
   picUrl: 'images/3.jpg'
  },
  {
   picUrl: 'images/5.jpg'
  },
  {
   picUrl: 'images/3.jpg'
  },
  {
   picUrl: 'images/5.jpg'
  },
  {
   picUrl: 'images/3.jpg'
  },
  {
   picUrl: 'images/5.jpg'
  },
  {
   picUrl: 'images/3.jpg'
  }
  ],
  indicatorDots: true,
  autoplay: true,
  interval: 2000,
  duration: 1000,
  circular: true,
  beforeColor: "white",//指示点颜色 
  afterColor: "coral",//当前选中的指示点颜色 
 },
 //轮播图的切换事件 
 swiperChange: function (e) {
  //只要把切换后当前的index传给<swiper>组件的current属性即可 
  this.setData({
   swiperCurrent: e.detail.current
  })
 },
 dotsChange: function (e) {
  //只要把切换后当前的index传给<swiper>组件的current属性即可 
  this.setData({
   dotsCurrent: e.detail.current
  })
 },
 //点击指示点切换 
 chuangEvent: function (e) {
  this.setData({
   swiperCurrent: e.currentTarget.id
  })
 },
 chuangEvents: function (e) {
  this.setData({
   dotsCurrent: e.currentTarget.id
  })
 },
 
})