微信小程序实现时分秒实时

1,util.js

const formatTime = date => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()
  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

2.js

const utils = require('../../utils/util.js')
onLoad(){
	  setInterval(() => {
        this.setData({
          time: utils.formatTime(new Date),
        })
      }, 1000)
}