<template name="picker-view-column">
  <picker-view-column class="{{ className }} {{ hidden && 'hidden'}}">
    <view wx:for="{{ data }}" style="line-height: 50px" wx:key="*this">{{item}}</view>
  </picker-view-column>
  <view class="view-column-tip {{ hidden && 'hidden'}}">{{ tip }}</view>
</template>