EASYAIuniappNewUI/dist/dev/mp-weixin/components/firstui/fui-background-image/fui-background-image.wxml

<view style="{{'position:' + d + ';' + ('background:' + e) + ';' + ('z-index:' + f) + ';' + virtualHostStyle}}" class="{{['fui-background__image-wrap', virtualHostClass]}}"><image wx:if="{{a}}" src="{{b}}" class="fui-background__image" mode="{{c}}"></image><slot></slot></view>