vue实例获取当前系统时间

<template>
    <div class="home1-3-1 clearfix">
        <span>{{ nowDate }}</span>
        <p> <em>{{ nowYear }}.{{ nowMouth }}</em> <i>{{ nowWeek }}</i> </p>
    </div>
</template>  
<script>
export default {
    data () {
        return {
            nowYear: '',
            nowMouth: '',
            nowDate: '',
            nowWeek: ''
        }
    },
    mouted(){
        this.getdate()
   },
    methods:{
        getdate() {
      　　const year = new Date().getFullYear()
     　　 const mounth = new Date().getMonth() + 1 < 10 ? '0' + (new Date().getMonth() + 1) : (new Date().getMonth() + 1)
     　　 const date = new Date().getDate() < 10 ? '0' + new Date().getDate() : new Date().getDate()
     　　 const week = new Date().getDay()
     　　 if (week === 1) {
       　　 this.nowWeek = '星期一'
      　　} else if (week === 2) {
        　　this.nowWeek = '星期二'
      　　} else if (week === 3) {
      　　  this.nowWeek = '星期三'
     　　 } else if (week === 4) {
       　　 this.nowWeek = '星期四'
      　　} else if (week === 5) {
       　　 this.nowWeek = '星期五'
      　　} else if (week === 6) {
        　　this.nowWeek = '星期六'
     　　 } else if (week === 27) {
       　　 this.nowWeek = '星期日'
      　　}
     　　 this.nowYear = year
      　　this.nowMouth = mounth
      　　this.nowDate = date
    　　}
    }
}
</script>