js 判断消息日期时间隔断

HTML

<!-- showTime判断是否显示隔断时间 -->	
<template v-for="(item, index) in messagelist">
			<message-item :ref="`messageItems${index}`" v-if="!item.isDeleted" @lookCommodity="lookCommodity"
				@optOpen="optOpen" :index="index" @turn="turn" :selectItemid="selectItemid" @play="play" :key="item.ID"
				:message="item" :showTime="index===messagelist.length-1 || item.sentTime -  messagelist[index+1].sentTime > 60"> </message-item>
		</template>



	<!-- 隔断 -->
		<view class="time" v-if="showTime && showMessage">
			{{time}}
		</view>

js

computed:{
			time() {
				let data = this.message.sentTime / 1000
				// 今天的零点
				let currentTime = parseInt(new Date(new Date().setHours(0, 0, 0, 0)).getTime() / 1000)
				// 获取昨天的零点
				let beforTime = currentTime - 86400
				if (data >= currentTime) {
					return this.$u.timeFormat(data, 'hh:MM')
				} else if (data > beforTime) {
					return '昨天' + this.$u.timeFormat(data, 'hh:MM')
				} else {
					return this.$u.timeFormat(data, 'mm月dd日 hh:MM')
				}
			},
		},


props: {
			showTime: {
				default: true,
				type: Boolean
			},
			message: {
				type: Object,
				required: true
			},
			index: {
				type: Number,
				require: true
			},
			selectItemid: {
				type: [String, Number],
				default: ''
			},


		},