xiaoshi-wx/miniprogram_npm/wux-weapp/qrcode/index.wxml

<view class="wux-class {{ classes.wrap }}" style="{{ wrapStyle }}" bindtap="onTap">
  <canvas
    type="2d"
    id="{{ classes.canvas }}"
    class="{{ classes.canvas }}"
  />
  <image
    wx:if="{{ base64Url }}"
    src="{{ base64Url }}"
    show-menu-by-longpress="{{ showMenuByLongpress }}"
    class="{{ classes.image }}"
  />
  <view class="{{ classes.mask }}" wx:if="{{ base64Url && qrcodeStatus !== 'activated' }}" catchtap="onMaskClick">
    <wux-spin wx:if="{{ qrcodeStatus === 'loading' }}" />
    <block wx:elif="{{ qrcodeStatus === 'expired' }}">
      <view class="{{ classes.expired }}">{{ qrcodeExpiredText }}</view>
      <view class="{{ classes.refresh }}">
        <view class="{{ classes.icon }}">
          <wux-icon type="ios-refresh" size="32rpx" />
        </view>
        <text>{{ qrcodeRefreshText }}</text>
      </view>
    </block>
  </view>
</view>