html 部分

<view class="wrap">  
 <swiper  autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}"current=" 
  {{currentSwiper}}" bindchange="swiperChange"  circular="{{circular}}" class='swiper'>
         <block wx:for="{{imgs}}" wx:key="item">
             <swiper-item>
                <image src="{{item.url}}" class="slide-image" />
             </swiper-item>
          </block>
    </swiper>
    <!--重置小圆点的样式  -->  
   <view class="dots">    
       <block wx:for="{{imgs}}" wx:key="item">    
           <view class="dot{{index == currentSwiper ? ' active' : ''}}"></view>    
        </block>    
    </view>  
</view>

css部分

.wrap{  
       height: auto;  
       position: relative;    
 }  
.swiper{
        width:100%;
        height: 560rpx;
 } 
.slide-image{
        width:100% ;
 }
   /*用来包裹所有的小圆点  */  
.dots{    
     width: 156rpx;  
     height: 36rpx;   
     display: flex;  
     flex-direction: row;  
     position: absolute;  
     left: 320rpx;  
     bottom: 20rpx;  
 }    
  /*未选中时的小圆点样式 */  
.dot{    
      width: 26rpx;    
      height: 16rpx;     
      border-radius: 3rpx;   
      margin-right: 26rpx;  
      background-color: rgba(255,255,255,0.5);  
  }    
   /*选中以后的小圆点样式  */  
   .active{    
        width: 46rpx;     
        height: 16rpx;  
        background-color:white;  
    }    

js部分

  Page({
      data: {
         imgs: [
           { url:'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg'},
           { url: 'http://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg' },
           { url: 'http://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg'},
           { url: 'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg' }
         ],
        currentSwiper: 0,
        autoplay: true,
        interval: 5000,
        duration: 1000,
        circular:true
     },
      swiperChange: function (e) {
          this.setData({
          currentSwiper: e.detail.current
        })
     },
     changeIndicatorDots: function (e) {
         this.setData({
            indicatorDots: !this.data.indicatorDots
          })
       },
      changeAutoplay: function (e) {
          this.setData({
                autoplay: !this.data.autoplay
      })
   },
 }