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

<button
  data-custom="{{ customDataset }}"
  class="{{className}} {{prefix}}-class"
  form-type="{{type}}"
  open-type="{{disabled ? '' : openType}}"
  hover-stop-propagation="{{hoverStopPropagation}}"
  hover-start-time="{{hoverStartTime}}"
  hover-stay-time="{{hoverStayTime}}"
  lang="{{lang}}"
  session-from="{{sessionFrom}}"
  hover-class="{{variant == 'text' ? 'none' : 'button-hover'}}"
  send-message-title="{{sendMessageTitle}}"
  send-message-path="{{sendMessagePath}}"
  send-message-img="{{sendMessageImg}}"
  app-parameter="{{appParameter}}"
  show-message-card="{{showMessageCard}}"
  catch:tap="handleTap"
  bind:getuserinfo="getuserinfo"
  bind:contact="contact"
  bind:getphonenumber="getphonenumber"
  bind:error="error"
  bind:opensetting="opensetting"
  bind:launchapp="launchapp"
  bind:chooseavatar="chooseavatar"
>
  <t-icon
    wx:if="{{icon || iconProps.name}}"
    name="{{icon || iconProps.name}}"
    prefix="{{iconProps.prefix}}"
    size="{{iconProps.size}}"
    color="{{iconProps.color}}"
    customStyle="{{iconProps.customStyle}}"
    class="{{classPrefix}}__icon {{prefix}}-class-icon"
  ></t-icon>
  <view wx:if="{{loading}}" class="{{classPrefix}}__loading">
    <t-loading
      delay="{{loadingProps.delay || 0}}"
      duration="{{loadingProps.duration || 800}}"
      indicator="{{loadingProps.indicator || true}}"
      inheritColor="{{loadingProps.indicator || false}}"
      layout="{{loadingProps.layout || 'horizontal'}}"
      pause="{{loadingProps.pause || false}}"
      progress="{{loadingProps.progress}}"
      reverse="{{loadingProps.reverse}}"
      size="{{loadingProps.size || '40rpx'}}"
      text="{{loadingProps.text }}"
      theme="{{loadingProps.theme || 'circular'}}"
      loading
      t-class="position-center"
      t-class-indicator="indicator-blue {{prefix}}-class-loading"
    ></t-loading>
  </view>
  <view class="{{classPrefix}}__content">
    <slot name="content" />
    <block>{{content}}</block>
    <slot />
  </view>
</button>