Mina_B/miniprogram/custom-tab-bar/index.wxml

<!--custom-tab-bar/index.wxml-->
<cover-view class="tab-bar">
	<cover-view class="tab-bar-border"></cover-view>
	<block wx:for="{{list}}" wx:key="index">
		<cover-view wx:if="{{item.showTab}}" class="tab-bar-item" data-path="{{item.pagePath}}" data-index="{{index}}" bindtap="switchTab">
			<cover-image src="{{route === item.pagePath ? item.selectedIconPath : item.iconPath}}"></cover-image>
			<cover-view
				style="color: {{route === item.pagePath ? selectedColor : color}};opacity:{{route === item.pagePath ? 1 : 0.45}}">
				{{item.text}}</cover-view>
		</cover-view>
	</block>
</cover-view>