Sprinkler-app/components/tab-bar/tab-bar.vue

<template>
	<view class="cont">
		<div class="tab"  @tap.stop="changeTabbar(0)">
			<image src="https://api.ccttiot.com/smartmeter/img/static/upJM8VILTPn0Oa398g7L" mode="" v-show="indexs!=0"></image>
			<image src="https://api.ccttiot.com/smartmeter/img/static/uS7VHOhENrnwJYI0vL4A" mode="" v-show="indexs==0"></image>
			<div class="txt" :class="indexs==0?'act1':''">首页</div>
		</div>
		<div  @tap.stop="changeTabbar(1)">
			<image style="width: 90rpx;height: 90rpx;position: fixed;left: 50%;transform: translateX(-50%);bottom:110rpx;" src="https://api.ccttiot.com/smartmeter/img/static/u3o5HsEKiDwIQroCz6DM" mode="" v-show="indexs!=1"></image>
			<image style="width: 90rpx;height: 90rpx;position: fixed;left: 50%;transform: translateX(-50%);bottom:110rpx;" src="https://api.ccttiot.com/smartmeter/img/static/u3o5HsEKiDwIQroCz6DM" mode="" v-show="indexs==1"></image>
			<div class="txt" style="margin-top: 44rpx;color: #3D3D3D;font-size: 28rpx;" :class="indexs==1?'act1':''">AI识图</div>
		</div> 
		<div class="tab" @tap.stop="changeTabbar(2)">
			<image src="https://api.ccttiot.com/smartmeter/img/static/uk8KlKhorxKWvBtJE2j8" mode="" v-show="indexs!=2"></image>
			<image src="https://api.ccttiot.com/smartmeter/img/static/u3sPW0uZjzlB4GkcauI9" mode="" v-show="indexs==2"></image>
			<div class="txt" :class="indexs==2?'act1':''">我的</div>
		</div>
		<image class="botimg" src="https://api.ccttiot.com/smartmeter/img/static/uV7nJgKVc4tgTuSqB699" mode=""></image>
		<!-- 	<view class="u-page">
		
		</view> -->
		<!-- 与包裹页面所有内容的元素u-page同级，且在它的下方 -->
		<!-- <u-tabbar v-model="current" :list="list" icon-size='40rpx' active-color='#3996fd' inactive-color="#c8c7cb"></u-tabbar> -->
	</view>
</template>

<script>
	export default {
		props: {
			indexs: [Number, String], //题目id
		},
		data() {
			return {
				currentTabbarIndex: 0,

				// 自定义底栏对应页面的加载情况
				tabberPageLoadFlag: [],
				ispop: false,
			}
		},
		mounted() {
			this.currentTabbarIndex = this.indexs
			// const index = Number(this.indexs || 0)
			// // 根据底部tabbar菜单列表设置对应页面的加载情况
			// for (let i = 0; i < 5; i++) {
			// 	this.tabberPageLoadFlag.push(i === index)
			// }
			// this.changeTabbar(index)
		},
		methods:{
			changeTabbar(index) {
				
				if (this.currentTabbarIndex === index) return
				// this._switchTabbarPage(index)
				
				if(index==0){
					uni.switchTab({
						url:'/pages/index/index',
						 routeType: 'wx://modal',
						success() {
							this.currentTabbarIndex = index
						}
					})
					console.log('点击了',index);
				}else if(index==1){
					uni.switchTab({
						url:'/pages/tj',
						 routeType: 'wx://modal',
						success() {
							this.currentTabbarIndex = index
						}
					})
				}else if(index==2){
					uni.switchTab({
						url:'/pages/my',
						 routeType: 'wx://modal',
						success() {
							this.currentTabbarIndex = index
						}
					})
				}
			},
		}
	}
</script>
<style lang="scss" scoped>
	/deep/.u-tabbar__content__item__button {
		top: 20rpx !important;
	}

	/deep/.u-tabbar {
		.u-tabbar__content__item:nth-child(2) {
			.u-tabbar__content__item__button {
				width: 32rpx !important;
			}
		}
	}
    .botimg{
		width: 100%;
		height: 144rpx;
		position: fixed;
		left: 0;
		bottom: 0;
		z-index: -1;
		box-shadow: 10px 10px 20px rgba(0, 0, 0, 0.3);
	}
	.cont {
		position: fixed;
		left: 0;
		bottom: 0;
		width:100%;
		background-color: #eee;
		height: 144rpx;
		box-shadow: 0rpx 16rpx 40rpx 0rpx rgba(53, 140, 255, 0.1);
		display: flex;
		align-items: center;
		justify-content: space-around;
		.tab{
			width: 60rpx;
			display: flex;
			flex-wrap: wrap;
			justify-content: center;
			image{
				width: 40rpx;
				height: 40rpx;
			}
			.txt{
				margin-top: 10rpx;
				font-size: 24rpx;
				font-family: HarmonyOS Sans SC, HarmonyOS Sans SC;
				font-weight: 400;
				color: #808080;
			}
			.act1{
				color: #48893B;
			}
		}
	}
</style>