wxlitian/miniprogram/miniprogram_npm/tdesign-miniprogram/picker/picker.wxml

<t-popup visible="{{visible}}" placement="bottom" bind:visible-change="onPopupChange">
  <view slot="content" class="{{classPrefix}} t-class">
    <view class="{{classPrefix}}__toolbar" wx:if="{{header}}">
      <view class="{{classPrefix}}__cancel t-class-cancel" wx:if="{{cancelBtn}}" bindtap="onCancel">{{cancelBtn}}</view>
      <view class="{{classPrefix}}__title t-class-title">{{title}}</view>
      <view class="{{classPrefix}}__confirm t-class-confirm" wx:if="{{confirmBtn}}" bindtap="onConfirm"
        >{{confirmBtn}}</view
      >
    </view>
    <!-- 扩展插槽 -->
    <slot name="header"></slot>
    <view class="{{classPrefix}}__main">
      <slot></slot>
      <view class="{{classPrefix}}__mask"></view>
      <view class="{{classPrefix}}__indicator"></view>
    </view>
    <!-- 扩展插槽 -->
    <slot name="footer"></slot>
  </view>
</t-popup>