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微信小程序自定义轮播图swiper dots默认样式

默认的swiper面板指示点都是小圆点黑灰的,但这满足不了广大小伙伴需求,比如其他颜色的,椭圆形的,方形的等等。。。。

首先当然是要禁用掉(直接删掉)swiper属性indicator-dots,再用view组件模拟dots,对应的代码如下:

<view class="swiper-container">  
  <swiper autoplay="auto" interval="5000" duration="500" current="{{swiperCurrent}}" bindchange="swiperChange" class="swiper">  
    <block wx:for="{{slider}}" wx:key="unique">  
      <swiper-item>  
        <image src="{{item.picUrl}}" class="img"></image>  
      </swiper-item>  
    </block>  
  </swiper>  
   
  <view class="dots">  
    <block wx:for="{{slider}}" wx:key="unique">  
      <view class="dot{{index == swiperCurrent ? ' active' : ''}}"></view>  
    </block>  
  </view>  
</view>

然后是wxss代码:

swiper-container{  
  position: relative;  
}  
.swiper-container .swiper{  
  height: 300rpx;  
}  
.swiper-container .swiper .img{  
  width: 100%;  
  height: 100%;  
}  
.swiper-container .dots{  
  position: absolute;  
  left: 0;  
  right: 0;  
  bottom: 20rpx;  
  display: flex;  
  justify-content: center;  
}  
.swiper-container .dots .dot{  
  margin: 0 8rpx;  
  width: 14rpx;  
  height: 14rpx;  
  background: #fff;  
  border-radius: 8rpx;  
  transition: all .6s;  
}  
.swiper-container .dots .dot.active{  
  width: 24rpx;  
  background: #f80;  
}

再对swiper的bindchange属性绑定对应的事件:

Page({  
data: {  
    slider: [  
    {picUrl: '../../images/T003R720x288M000000rVobR3xG73f.jpg'},  
    {picUrl: '<span style="font-family:'微软雅黑';">../../images/</span><span style="font-family:'微软雅黑';">T003R720x288M000000j6Tax0WLWhD.jpg'},</span>  
    {picUrl: '../../images/T003R720x288M000000a4LLK2VXxvj.jpg'},  
    ],  
    swiperCurrent: 0,  
},  
swiperChange: function(e){  
    this.setData({  
        swiperCurrent: e.detail.current  
    })  
}  
})

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