weixin/miniprogram_npm/lin-ui/calendar/components/header/index.wxml

<view class="calendar-header-container">
  <block wx:if="{{ showTitle }}">
    
   <view class="calendar-header-container_title">
      {{ title }}
    </view>
  </block>

  <view wx:if="{{ showSubtitle }}" class="calendar-header-container_subtitle">
    {{ subTitle }}
  </view>

  <view class="calendar-header__weekdays">
    <view wx:for="{{ weekdays }}" wx:key="index" class="calendar-header__weekday">
      {{ item }}
    </view>
  </view>
</view>