aliapp-demo/page/component/component-pages/slider/slider.axml

<view class="page">
  <view class="page-description">滑块</view>
  <view class="page-section">
    <view class="page-section-title">设置step</view>
    <view class="page-section-demo">
      <slider value="5" onChange="slider2change" step="5"/>
    </view>
  </view>

  <view class="page-section">
    <view class="page-section-title">设置最小/最大值范围</view>
    <view class="page-section-demo">
      <slider value="33" onChange="slider4change" min="25" max="50" show-value/>
    </view>
  </view>

  <view class="page-section">
    <view class="page-section-title">自定义样式</view>
    <view class="page-section-demo">
      <slider value="33" onChange="slider4change" min="25" max="50" show-value
      backgroundColor="#FFAA00" activeColor="#00aaee" trackSize="2" handleSize="6" handleColor="blue" />
    </view>
  </view>
</view>