weilaiGo/components/pickerYMDHM/pickerYMDHM.wxml

<!--pages/component/pickerYMDHM/pickerYMDHM.wxml-->
<view class="container">
  <picker mode="multiSelector" bindchange="pickerChange" bindcolumnchange="pickerColumnChange" bindcancel ="pickerCancel" value="{{pickerIndex}}" range="{{pickerArray}}" range-key="{{'name'}}">
    <view class='showFont'>
      {{date}}
    </view>
  </picker>
</view>