<!-- index.wxml -->
<picker wx:if="{{type === 'second'}}" mode="multiSelector" value="{{dateTimeSecond}}" bindchange="changeDateTimeSecond" bindcolumnchange="changeDateTimeSecondColumn" range="{{dateTimeSecondArray}}">
    <slot></slot>
</picker>
<picker wx:if="{{type === 'minute'}}" mode="multiSelector" value="{{dateTimeMinute}}" bindchange="changeDateTimeMinute" bindcolumnchange="changeDateTimeMinuteColumn" range="{{dateTimeMinuteArray}}">
    <slot></slot>
</picker>