gov_propagandize/components/container-loading/container-loading.wxml

<view class="container">
    <view class="loading" wx:if="{{loadingVisible=='loading'}}"></view>
    <view wx:elif="{{loadingVisible=='error'}}" style="align-self: center;">
        <image src="../../imgs/load_err.png" class="loading_err"></image>
    </view>
    <block wx:else="{{loadingVisible=='success'}}">
        <slot></slot>
    </block>
</view>