预约日期前一天十二点之前

 getLimitedDate (reservationDate) { // 用户操作时间在限值前，申请退款按钮可操作; eg:预约日期2.28日,2.27日中午12:00为限值,
      let flag = false
     let today = new Date(new Date().toLocaleDateString()).getTime()
      let reservationday = new Date(new Date(reservationDate).toLocaleDateString()).getTime()
      let todayHours = new Date().getHours()
      let isLimited = (reservationday - today) / 86400000 //  一天 86400000
        if(isLimited > 1){ // 离预约日期超过一天handleClick
          flag = true
        } else if(isLimited == 1) { // 预约日期前一天十二点前？
          if (todayHours < 12) {
            flag = true
          }
        }
      return flag // true预约时间前一天十二点之前
    },