schoolwisdoms-student-mp/pages/Components/tabbar/tabbar.wxml

<view>
	<view class="tabbar-view {{ bottomStyle ? 'isAppleStyle' : ''}}">
		<view class="tabber-view-nav" wx:for="{{titleList}}" wx:key="index" bindtap="changeTitle" data-value="{{item.val}}" data-index="{{index}}">
			<image lazy-load class="titleImg" src="{{ curIndex == index ? item.curIcon : item.icon}}"></image>
			<view class="isTitle {{ curIndex == index ? 'curTitle' : '' && index}}" >
				{{item.title}}
			</view>
		</view>
	</view>
</view>