js获取当前时间（vue uniapp中使用）

<template>
	<view>
		<view class="test">
			<view>日期选择 - 示例</view>
			{
    
    {
    
    date}}
			<button type="primary" @click="onShowDatePicker('date')">选择日期</button>
		</view>
		<mx-date-picker :show="showPicker" :type="type" :value="value" :show-tips="true" :begin-text="'入住'" :end-text="'离店'" :show-seconds="true" @confirm="onSelected" @cancel="onSelected" />
	</view>
</template>
<script>
	import MxDatePicker from "@/components/mx-datepicker/mx-datepicker.vue";
	export default {
    
    
		components: {
    
    
			MxDatePicker
		},
		data() {
    
    
			return {
    
    
				showPicker: false,
				date: '2019/01/30',
				time: '15:00:12',
				datetime: '2019/01/01 15:00:12',
				range: ['2019/01/01','2019/01/06'],
				rangetime: ['2019/01/08 14:00','2019/01/16 13:59'],
				type: 'rangetime',
				value: ''
			}
		},
		created() {
    
    
			let self = this;
			self.date = self.dataFormat(new Date())
			// new Date(element.followTime)
			console.log("当前日期：",self.date);
		},
		methods: {
    
    
			// 初始化日期
			dataFormat(time){
    
    
			// 	return `${time.getFullYear()}-${time.getMonth() + 1 >= 10 ? (time.getMonth() + 1) : '0' + (time.getMonth() + 1)}-${time.getDate() >= 10 ? time.getDate() : '0' + time.getDate()}
			// 		 ${time.getHours() >= 10 ? time.getHours() : '0' + time.getHours()} : ${time.getMinutes()>=10?time.getMinutes():'0'+time.getMinutes()} : ${time.getSeconds() >= 10 ? time.getSeconds() : '0' + time.getSeconds()}`;
				return `${
      
      time.getFullYear()}/${
      
      time.getMonth() + 1 >= 10 ? (time.getMonth() + 1) : '0' 
				+ (time.getMonth() + 1)}/${
      
      time.getDate() >= 10 ? time.getDate() : '0' + time.getDate()}`;
			},
			onShowDatePicker(type){
    
    //显示
				this.type = type;
				this.showPicker = true;
				this.value = this[type];
				console.log("this.type:",this.type);
				console.log("this.value:",this.value);
			},
			onSelected(e) {
    
    //选择
				this.showPicker = false;
				if(e) {
    
    
					this[this.type] = e.value; 
					//选择的值
					console.log('value => '+ e.value);
					//原始的Date对象
					console.log('date => ' + e.date);
				}
			}
		}
	}
</script>
<style>
	.test{
    
    
		text-align: center;
		padding: 10px 0;
	}
	button{
    
    
		margin: 20upx;
		font-size: 28upx;
	}
</style>

以下为时间选择器的demo
详细demo github

<template>
	<view>
		<view class="test">
			<view>日期选择 - 示例</view>
			{
    
    {
    
    date}}
			<button type="primary" @click="onShowDatePicker('date')">选择日期</button>
			{
    
    {
    
    time}}
			<button type="primary" @click="onShowDatePicker('time')">选择时间</button>
			{
    
    {
    
    datetime}}
			<button type="primary" @click="onShowDatePicker('datetime')">选择日期时间</button>
			{
    
    {
    
    range[0]}} - {
    
    {
    
    range[1]}}
			<button type="primary" @click="onShowDatePicker('range')">选择日期范围</button>
			{
    
    {
    
    rangetime[0]}} - {
    
    {
    
    rangetime[1]}}
			<button type="primary" @click="onShowDatePicker('rangetime')">选择日期时间范围</button>
		</view>
		<mx-date-picker :show="showPicker" :type="type" :value="value" :show-tips="true" :begin-text="'入住'" :end-text="'离店'" :show-seconds="true" @confirm="onSelected" @cancel="onSelected" />
	</view>
</template>
<script>
	import MxDatePicker from "@/components/mx-datepicker/mx-datepicker.vue";
	export default {
    
    
		components: {
    
    
			MxDatePicker
		},
		data() {
    
    
			return {
    
    
				showPicker: false,
				date: '2019/01/30',
				time: '15:00:12',
				datetime: '2019/01/01 15:00:12',
				range: ['2019/01/01','2019/01/06'],
				rangetime: ['2019/01/08 14:00','2019/01/16 13:59'],
				type: 'rangetime',
				value: ''
			}
		},
		created() {
    
    
			let self = this;
			self.date = self.dataFormat(new Date())
			// new Date(element.followTime)
			console.log("当前日期：",self.date);
		},
		methods: {
    
    
			// 初始化日期
			dataFormat(time){
    
    
			// 	return `${time.getFullYear()}-${time.getMonth() + 1 >= 10 ? (time.getMonth() + 1) : '0' + (time.getMonth() + 1)}-${time.getDate() >= 10 ? time.getDate() : '0' + time.getDate()}
			// 		 ${time.getHours() >= 10 ? time.getHours() : '0' + time.getHours()} : ${time.getMinutes()>=10?time.getMinutes():'0'+time.getMinutes()} : ${time.getSeconds() >= 10 ? time.getSeconds() : '0' + time.getSeconds()}`;
				return `${
      
      time.getFullYear()}/${
      
      time.getMonth() + 1 >= 10 ? (time.getMonth() + 1) : '0' 
				+ (time.getMonth() + 1)}/${
      
      time.getDate() >= 10 ? time.getDate() : '0' + time.getDate()}`;
			},
			onShowDatePicker(type){
    
    //显示
				this.type = type;
				this.showPicker = true;
				this.value = this[type];
				console.log("this.type:",this.type);
				console.log("this.value:",this.value);
			},
			onSelected(e) {
    
    //选择
				this.showPicker = false;
				if(e) {
    
    
					this[this.type] = e.value; 
					//选择的值
					console.log('value => '+ e.value);
					//原始的Date对象
					console.log('date => ' + e.date);
				}
			}
		}
	}
</script>
<style>
	.test{
    
    
		text-align: center;
		padding: 10px 0;
	}
	button{
    
    
		margin: 20upx;
		font-size: 28upx;
	}
</style>