时间定时显示

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需求：左侧定时器，每隔一秒动一下，右侧显示星期几

created () {
    this.initDateTime()
    this.timer = setInterval(this.initTime(), 1000)
  },
 methods: {
    initDateTime () {
      const current = moment()
      const date = current.format('YYYY年MM月DD日 星期d')
      const week = date.slice(-1)
      let txt = ''
      if (week === '1') {
        txt = '一'
      } else if (week === '2') {
        txt = '二'
      } else if (week === '3') {
        txt = '三'
      } else if (week === '4') {
        txt = '四'
      } else if (week === '5') {
        txt = '五'
      }
      this.date = date.slice(0, date.length - 1) + txt
    },
    initTime () {
      const current = moment()
      this.time = current.format('HH:mm:ss')
      return this.initTime
    }
  },
  beforeDestroy () {
    clearInterval(this.timer)
  }