小程序swiper轮播图，自定义样式

1.wxml文件

<!-- 轮播图 -->
<view class='swiperBar'>
  <swiper duration="1000" indicator-dots="{{true}}" indicator-color="" interval="2000" current="0" indicator-color="#999" indicator-active-color="#ff8a00" autoplay="{{true}}">
    <block>
      <swiper-item>
        <image src="http://demo.sc.chinaz.com/Files/DownLoad/webjs1/201801/jiaoben5647/img/5.jpg" />
      </swiper-item>
      <swiper-item>
        <image src="http://demo.sc.chinaz.com/Files/DownLoad/webjs1/201801/jiaoben5647/img/1.jpg" />
      </swiper-item>
      <swiper-item>
        <image src="http://demo.sc.chinaz.com/Files/DownLoad/webjs1/201801/jiaoben5647/img/2.jpg" />
      </swiper-item>
    </block>
  </swiper>
</view>

 2.wxss

/* 轮播图部分 */

.swiperBar {
  width: 690rpx;
  height: 337rpx;
  margin: 0 auto;
  position: relative;
}

.swiperBar swiper {
  width: 100%;
  height: 337rpx;
}

.swiperBar image {
  width: 690rpx;
  height: 310rpx;
  -webkit-border-radius: 12rpx;
  -moz-border-radius: 12rpx;
  border-radius: 12rpx;
  -webkit-box-shadow: 0 0 16rpx rgba(0, 0, 0, 0.25);
  -moz-box-shadow: 0 0 16rpx rgba(0, 0, 0, 0.25);
  box-shadow: 0 0 16rpx rgba(0, 0, 0, 0.25);
}

/* 设置点点的层级 */

.swiperBar .wx-swiper-dots.wx-swiper-dots-horizontal {
  position: absolute;
  top: 328rpx;
  z-index: 999;
}

/* 设置点点的样式 */

.swiperBar .wx-swiper-dot {
  width: 8rpx;
  display: inline-flex;
  height: 8rpx;
  margin-left: 12rpx;
  justify-content: space-between;
}

.swiperBar .wx-swiper-dot::before {
  content: '';
  flex-grow: 1;
  background: #999;
  border-radius: 8rpx;
  -webkit-border-radius: 8rpx;
  -moz-border-radius: 8rxp;
}

/* 当前点点的样式 */

.swiperBar .wx-swiper-dot-active::before {
  background: #ff8a00;
}

.swiperBar .wx-swiper-dot.wx-swiper-dot-active {
  width: 18rpx;
}

3.效果展示