fangliaoxiaochengxv/wxcomponents/vant/dist/picker-column/index.wxml

<wxs module="utils" src="../wxs/utils.wxs"/>
<wxs module="computed" src="./index.wxs"/>

<view
        bind:touchcancel="onTouchEnd"
        bind:touchend="onTouchEnd"
        bind:touchstart="onTouchStart"
        catch:touchmove="onTouchMove"
        class="van-picker-column custom-class"
        style="{{ computed.rootStyle({ itemHeight, visibleItemCount }) }}"
>
    <view style="{{ computed.wrapperStyle({ offset, itemHeight, visibleItemCount, duration }) }}">
        <view
                bindtap="onClickItem"
                class="van-ellipsis {{ utils.bem('picker-column__item', { disabled: option && option.disabled, selected: index === currentIndex }) }} {{ index === currentIndex ? 'active-class' : '' }}"
                data-index="{{ index }}"
                style="height: {{ itemHeight }}px"
                wx:for="{{ options }}"
                wx:for-item="option"
                wx:key="index"
        >{{ computed.optionText(option, valueKey) }}
        </view>
    </view>
</view>