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

<view
  wx:if="{{realVisible}}"
  style="{{customStyle + ';z-index:' + zIndex + ';'}}"
  class="{{className}} {{transitionClass}} {{prefix}}-class"
  bind:transitionend="onTransitionEnd"
>
  <view class="{{classPrefix}}__content {{prefix}}-class-content">
    <view class="{{classPrefix}}__close" bind:tap="handleClose">
      <t-icon name="close" wx:if="{{closeBtn}}" size="64rpx" />
      <slot name="closeBtn" class="{{classPrefix}}-slot" />
    </view>
    <slot name="content" />
    <slot />
  </view>
</view>

<t-overlay
  id="popup-overlay"
  wx:if="{{showOverlay}}"
  visible="{{visible}}"
  z-index="{{overlayProps.zIndex}}"
  prevent-scroll-through="{{preventScrollThrough || overlayProps.preventScrollThrough}}"
  bind:tap="handleOverlayClick"
  custom-style="{{overlayProps.customStyle || ''}}"
/>