aliapp-demo/page/API/page-scroll-to/page-scroll-to.axml

<view class="page">
  <view class="page-description">页面滚动 API</view>

  <view class="page-section">
    <view class="page-section-title">
      my.pageScrollTo
    </view>
    <view class="page-section-demo">
      <input type="text" placeholder="key" name="key" value="{{scrollTop}}" onInput="scrollTopChange"></input>
    </view>
    <view class="page-section-btns">
      <view onTap="scrollTo">页面滚动</view>
    </view>
  </view>

  <view style="height:1000px"/>
</view>