lanan-app/components/tabBar/tabBar.vue

<template>
	<view class="bottoms">
		<view class="box" :class="{active: aindex == 1}" @click="getgogo(1)" v-if="identity == 'user' ">
			<view class="imgs">
				<image mode="aspectFit" src="@/static/icons/tabbar/home.png" v-show="aindex != 1"></image>
				<image mode="aspectFit" src="@/static/icons/tabbar/home-checked.png" v-show="aindex == 1"></image>
			</view>
			<view class="">首页</view>
		</view>
		<view class="box" :class="{active: aindex == 8}" @click="getgogo(8)" v-if="identity == 'police' ">
			<view class="imgs">
				<image mode="aspectFit" src="@/static/icons/tabbar/home.png" v-show="aindex != 8"></image>
				<image mode="aspectFit" src="@/static/icons/tabbar/home-checked.png" v-show="aindex == 8"></image>
			</view>
			<view class="">首页</view>
		</view>

<!-- 		<view class="box" @click="getgogo(2)">
			<view class="imgs" style="position: relative;">
				<view class="hongdian" v-if=" msgNum && msgNum != 0  ">
					{{msgNum || ""}}
				</view>
				<view class="imgs">
					<image src="../../static/message.png" v-show="aindex == 2"></image>
					<image src="../../static/messagex.png" v-show="aindex != 2"></image>
				</view>
			</view>
			<view class="">消息</view>
		</view> -->
		<!-- #ifdef APP-PLUS || H5 -->
		<view class="box" :class="{active: aindex == 3}" @click="getgogo(3)">
			<view class="imgs">
				<image mode="aspectFit" src="@/static/icons/tabbar/car.png" v-show="aindex != 3"></image>
				<image mode="aspectFit" src="@/static/icons/tabbar/car-checked.png" v-show="aindex == 3"></image>
			</view>
			<view class="">运力</view>
		</view>
		<!-- #endif -->

		<view class="box" :class="{active: aindex == 4}" @click="getgogo(4)">
			<view class="imgs">
				<image mode="aspectFit" src="@/static/icons/tabbar/my.png" v-show="aindex != 4"></image>
				<image mode="aspectFit" src="@/static/icons/tabbar/my-checked.png" v-show="aindex == 4"></image>
			</view>
			<view class="">个人中心</view>
		</view>
	</view>
</template>

<script>
	import request from '../../utils/request';
	import {
		getToken
	} from '@/utils/auth'
	const innerAudioContext = uni.createInnerAudioContext();
	const jyJPush = uni.requireNativePlugin('JY-JPush');
	export default {
		data() {
			return {
				msgSocket: this.$msgSocket,
				aindex: 1,
				msgNum: null,
        identity: 'user',
				nowPageInterval: null,
				arr: [{
						text: '首页'
					},
					{
						text: '消息'
					},
					{
						text: '运力'
					},
					{
						text: '个人中心'
					},
				]
			}
		},
		props: {
			msg: String|Number
		},
		onLoad() {
			console.log('tabbag', uni.getStorageSync('identity'));

		},
		onUnload() {
			if (this.nowPageInterval) {
				clearTimeout(this.nowPageInterval);
			}
		},
		mounted() {
			// #ifdef APP || H5

			console.log('tabbag', uni.getStorageSync('identity'));
			this.identity = uni.getStorageSync('identity');
			// #endif
			if (!this.nowPageInterval) {
				this.nowPageInterval = setInterval(() => {
					console.log('this.$msgSocket: ',this.$msgSocket);
					this.msgSocket = this.$msgSocket
				}, 3000);
			}
			console.log(this.aindex);
			setTimeout(() => {
				this.msgInfo()
			}, 2000);

			this.aindex = this.msg
			if (this.identity == 'police' && this.msg == '1') {
				this.aindex = '8'
			}
			this.getbottom()
		},
		watch: {
			msgSocket(newVal, oldVal) {
				console.log('msgSocket值发生变化', newVal, oldVal)
				this.msgInfo()
			},
			deep: true,
		},
		methods: {

			dianyidain() {
				console.log('执行了，dianyidain');
				innerAudioContext.src = 'https://www.nuoyunr.com/lananRsc/rescue/msgV.mp3';
				// 设置播放次数和计数器
				const playCount = 5;
				let currentCount = 0;

				// 监听音频播放结束事件
				innerAudioContext.onEnded(() => {
					// 播放计数加一
					currentCount++;

					// 判断是否达到播放次数上限
					if (currentCount < playCount) {
						// 继续播放
						innerAudioContext.play();
					} else {
						// 播放完成，可以在这里添加额外的逻辑
						console.log('播放完成');
					}
				});

				// 初次播放
				innerAudioContext.play();


			},
			msgInfo() {
				console.log(this.msgSocket, 'msgSocket')
				if (this.msgSocket) {
					console.log('消息回调启动成功')
					this.msgSocket.onMessage(res => {
						console.log("发出提示音");
						this.getbottom();
						this.dianyidain()
					})
				}

			},

			async getbottom() {
				if (!getToken()) {
					return
				}
				let res = await request({
					url: '/announcement/announcement/getOwnNoRead',
					method: 'get',

				})
				console.log('jitiao', res);
				if (res.code == 200) {
					this.msgNum = res.data
				}
			},
			getgogo(index) {


				if (index == 1) {
					this.aindex = index
					uni.reLaunch({
						url: '/pages/rescue/rescue'
					})
				}
				if (index == 2) {
					this.aindex = index
					uni.reLaunch({
						url: '/pages/message/message'
					})
				}
				if (index == 3) {
					this.aindex = index
					uni.reLaunch({
						url: '/pages/move/move'
					})
				}
				if (index == 4) {
					this.aindex = index
					uni.reLaunch({
						url: '/pages/my/my'
					})
				}
				if (index == 8) {
					this.aindex = index
					uni.reLaunch({
						url: '/pages/rescue/trafficPolice'
					})
				}

			}
		}

	}
</script>

<style scoped lang="scss">
	.bottoms {
		width: 100%;
		position: fixed;
		bottom: 0px;
		background: #fff;
		display: flex;
		justify-content: space-between;
		font-size: 14px;
		font-weight: 400;
		color: #FFFFFF;
		padding: 12rpx 40rpx;
		box-sizing: border-box;
		box-shadow: 4rpx 2rpx 12rpx 0 #c3c3c3;
	}

	.box {
		flex: 1;
		width: 0;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		font-size: 12px;
		color: #929292;

		&.active {
			color: #327DFB;
		}
	}

	.imgs {
		margin: 0 auto;
		width: 50rpx;
		height: 50rpx;

		image {
			width: 100%;
			height: 100%;
		}
	}

	.hongdian {
		width: 12px;
		height: 12px;
		background-color: crimson;
		border-radius: 50%;
		overflow: hidden;
		position: absolute;
		top: -5px;
		right: -8px;
		z-index: 9999;
		display: flex;
		align-items: center;
		justify-content: center;
		color: white;
		font-size: 2px;
	}
</style>