jurong_circle_front_app/components/Tabbar/Tabbar.vue

<template>
	<view class="tabbar-list">
		<view class="tabbar-item" :class="currentBg==1?'tabbar-item-active':''" @click="chanRoute(1)">
			<image :src="currentBg==1?`/static/tabbar/1-active.png`:`/static/tabbar/1.png`" alt="消息"
				:class="currentBg==1?'item-image-active':'item-image'" />
			<div class="item-text"><span>消息</span></div>
		</view>
		<view class="tabbar-item" :class="currentBg==2?'tabbar-item-active':''" @click="chanRoute(2)">
			<image :src="currentBg==2?`/static/tabbar/2-active.png`:`/static/tabbar/2.png`" alt="项目"
				:class="currentBg==2?'item-image-active':'item-image'" />
			<div class="item-text"><span>项目</span></div>
		</view>
		<view class="tabbar-item" :class="currentBg==3?'tabbar-item-active':''" @click="chanRoute(3)">
			<image :src="currentBg==3?`/static/tabbar/3-active.png`:`/static/tabbar/3.png`" alt="主页"
				:class="currentBg==3?'item-image-active':'item-image'" />
			<div class="item-text"><span>主页</span></div>
		</view>
		<view class="tabbar-item" :class="currentBg==4?'tabbar-item-active':''" @click="chanRoute(4)">
			<image :src="currentBg==4?`/static/tabbar/4-active.png`:`/static/tabbar/4.png`" alt="金融"
				:class="currentBg==4?'item-image-active':'item-image'" />
			<div class="item-text"><span>金融</span></div>
		</view>
		<view class="tabbar-item" :class="currentBg==5?'tabbar-item-active':''" @click="chanRoute(5)">
			<image :src="currentBg==5?`/static/tabbar/5-active.png`:`/static/tabbar/5.png`" alt="我的"
				:class="currentBg==5?'item-image-active':'item-image'" />
			<div class="item-text"><span>我的</span></div>
		</view>
	</view>
</template>

<script lang="ts" setup>
	import { ref, reactive, onMounted } from 'vue';

	// 图片列表
	const currentBg = ref(3);

	onMounted(() => {
		uni.hideTabBar()
		const pages = getCurrentPages()
		if (pages.length) {
			const currentPage = pages[pages.length - 1];
			const route = currentPage.route;
			switch (route) {
				case 'pages/message/message':
					currentBg.value = 1;
					break;
				case 'pages/program/program':
					currentBg.value = 2;
					break;
				case 'pages/home/index':
					currentBg.value = 3;
					break;
				case 'pages/finance/finance':
					currentBg.value = 4;
					break;
				case 'pages/my/my':
					currentBg.value = 5;
					break;
				default:
					currentBg.value = 3; // 默认主页
			}
		}
	})

	const chanRoute = (val : number) => {
		if (val == currentBg.value) {
			return
		}
		if (val == 1) {
			uni.switchTab({
				url: '/pages/message/message'
			})
		} else if (val == 2) {
			uni.switchTab({
				url: '/pages/program/program'
			})
		}
		else if (val == 3) {
			uni.switchTab({
				url: '/pages/home/index'
			})
		} else if (val == 4) {
			uni.switchTab({
				url: '/pages/finance/finance'
			})
		} else if (val == 5) {
			uni.switchTab({
				url: '/pages/my/my'
			})
		}
	}
</script>

<style lang="scss" scoped>
	.tabbar-list {
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		background-size: cover;
		background-position: center;
		background-repeat: no-repeat;
		display: flex;
		justify-content: space-around;
		align-items: center;
		z-index: 1000;
		padding-bottom: env(safe-area-inset-bottom);
		height: 140rpx;
		background-size: 100% 100%;
		padding: 10rpx 0;
		background-color: #4873ff;
		border-top-left-radius: 20rpx;
		border-top-right-radius: 20rpx;


		.tabbar-item {
			display: flex;
			width: 20%;
			height: 100%;
			position: relative;
			flex-direction: column;
			align-items: center;
			justify-content: space-between;

			.item-image {
				width: 100rpx;
				height: 100rpx;
			}

			.item-image-active {
				width: 120rpx;
				height: 130rpx;
				border-radius: 50%;
				padding: 10rpx;
				background-color: #4873ff;
			}

			.item-text {
				text-wrap: nowrap;
				font-size: 25rpx;
				font-weight: 700;
				color: white;
			}
		}

		.tabbar-item-active {
			height: 150rpx;
			transform: translateY(-50rpx);
		}
	}
</style>