好看的小程序轮播图

• 前言：

微信小程序swiper组件：https://developers.weixin.qq.com/miniprogram/dev/component/swiper.html

由于小程序原生的swiper并不尽人意，往往需要开发者自己修改swiper。

• 先上效果：

 

• 轮播图wxml

<!-- 轮播图 -->
<view class="swiper-view">
  <swiper class="swiper-box" autoplay="true" interval="3000" previous-margin="{{swiperMargin}}" next-margin="{{swiperMargin}}" bindchange="swiperChange">
    <block wx:for="{{swiperList}}" wx:key="id">
      <swiper-item bindtap="toDetail" data-proid="{{item.productId}}" style="text-align: center;">
        <view class="swiper-item-view">
          <image mode="aspectFill" class="swiper-image {{ swiperCurrent==index?'active':''}}" src="{{item.imgUrl}}" />
        </view>
      </swiper-item>
    </block>
  </swiper>
  <view class="swiper-dots-view">
    <view class="swiper-dot {{ swiperCurrent==index?'active':''}}" wx:for="{{swiperList}}" wx:key="id"></view>
  </view>
</view>

 

• 轮播图wxss

.swiper-view {
  position: relative;
  border-bottom: 1px solid #f6f8fc;
}

.swiper-box {
  height: 355rpx;
}

.swiper-item-view {
  zoom: 1;
  box-sizing: border-box;
}

.swiper-item-view:after {
  display: table;
  content: "";
  clear: both;
}

.swiper-image {
  overflow: hidden;
  /* height: 170px; */
  width: 620rpx;
  height: 340rpx;
  transition: transform 500ms;
  transform: scale(0.95, 0.9); /* 缩放处理，产生一种层次感 */
  border-radius: 8px;
  box-shadow: 0px 6px 10px 0px rgba(179, 154, 139, 1);
}

.swiper-image.active {
  transform: scale(1, 1);
}

.swiper-dots-view {
  /* 水平居中*/
  position: absolute;
  display: flex;
  justify-content: center;
  width: 100%;
  left: 0;
  bottom: 10px;
  height: 18rpx;
  /* height: 6px; */
}

.swiper-dot {
  width: 6px;
  height: 6px;
  margin: 0 3px;
  border-radius: 3px;
  background-color: #fff;
}

.swiper-dot.active {
  width: 15px;
  background-color: rgb(221, 65, 3);
}

 

• 轮播图JS

data: {
    swiperMargin: wx.getSystemInfoSync().windowWidth > 380 ? '60rpx' : '50rpx',

    swiperCurrent: 0,
    swiperList: []
  },

  // 监听swiper切换
  swiperChange: function(e) {
    let current = e.detail.current;
    this.setData({
      swiperCurrent: current
    });
  },