formatDate(value, spe = '/') {

      value = value * 1000 //10位数时间戳要乘1000 13位不用

      let data = new Date(value)

      let year = data.getFullYear()

      let month = data.getMonth() + 1

      let day = data.getDate()

      let h = data.getHours()

      let mm = data.getMinutes()

      let s = data.getSeconds()

      month = month > 9 ? month : '0' + month

      day = day > 9 ? day : '0' + day

      h = h > 9 ? h : '0' + h

      mm = mm > 9 ? mm : '0' + mm

      s = s > 9 ? s : '0' + s

      return `${year}${spe}${month}${spe}${day} ${h}:${mm}:${s}`

    }