xiaoshi-wx/node_modules/wux-weapp/example/pages/index-list/index.wxml

<wux-index id="wux-index" height="100%" indicatorPosition="{{ indicatorPosition }}" bind:change="onChange">
    <wux-index-item wx:for="{{ alphabet }}" wx:key="index" name="{{ item.initial }}">
        <view class="demo-item" wx:for="{{ item.cells }}" wx:for-item="cell" wx:for-index="cellIndex" wx:key="cellIndex">{{ cell }}</view>
    </wux-index-item>
</wux-index>
<view class="demo-btn">
    <wux-button block type="light" bindclick="setIndicator">set indicator to {{ indicatorPosition === 'center' ? 'right' : 'center' }}</wux-button>
    <wux-button block type="light" bindclick="scrollToH">scroll to H by index</wux-button>
    <wux-button block type="light" bindclick="scrollToZ">scroll to Z by name</wux-button>
</view>