timeFormatting(val) {

      let time = val.slice(0, 10)

        // 兼容IOS

      time = time.replace(/-/g, '/')

      let date = new Date(time);

      let Y = date.getFullYear()

      let M = date.getMonth() + 1

      let D = date.getDate()

      let h = (date.getHours() < 10) ? '0' + date.getHours() : date.getHours()

      let m = (date.getMinutes() < 10) ? '0' + date.getMinutes() : date.getMinutes()

      return Y + '年' + M + '月' + D + '日'

    },