判断日期是特殊节日

if (this.specitalHolidayLimit(['2018/04/04 00:00', '2018/04/07 23:59'], this.orderWriteParam.pickupDateTimeStr) == 2) {
    // 特殊节日屏蔽
    this.orderWriteParam.cancelRuleValue = true
} else if (this.specitalHolidayLimit(['2018/04/04 00:00', '2018/04/07 23:59'], this.orderWriteParam.returnDateTimeStr) == 2) {
    // 特殊节日屏蔽
    this.orderWriteParam.cancelRuleValue = true
} else if (this.specitalHolidayLimit(['2018/04/04 00:00', '2018/04/07 23:59'], this.orderWriteParam.pickupDateTimeStr) == 0 && this.specitalHolidayLimit(['2018/04/04 00:00', '2018/04/07 23:59'], this.orderWriteParam.returnDateTimeStr) > 0) {
    // 特殊节日屏蔽
    this.orderWriteParam.cancelRuleValue = true
} else if (this.specitalHolidayLimit(['2018/04/28 00:00', '2018/05/01 23:59'], this.orderWriteParam.pickupDateTimeStr) == 2) {
    // 特殊节日屏蔽
    this.orderWriteParam.cancelRuleValue = true
} else if (this.specitalHolidayLimit(['2018/04/28 00:00', '2018/05/01 23:59'], this.orderWriteParam.returnDateTimeStr) == 2) {
    // 特殊节日屏蔽
    this.orderWriteParam.cancelRuleValue = true
} else if (this.specitalHolidayLimit(['2018/04/28 00:00', '2018/05/01 23:59'], this.orderWriteParam.pickupDateTimeStr) == 0 && this.specitalHolidayLimit(['2018/04/28 00:00', '2018/05/01 23:59'], this.orderWriteParam.returnDateTimeStr) > 0) {
    // 特殊节日屏蔽
    this.orderWriteParam.cancelRuleValue = true
} else {
    this.orderWriteParam.cancelRuleValue = false
}

// 特殊节日限制
specitalHolidayLimit: function(dateArr, targetDate) {
    // 目标日期
    let _targetDate = dateUtil.format(targetDate, "Y/M/D");
    // 目标日期毫秒数
    let _targetDateMsec = new Date(_targetDate).getTime();

    if (_targetDateMsec < new Date(dateArr[0]).getTime()) {
        // 小于节日开始范围
        return 0;
    } else if (_targetDateMsec > new Date(dateArr[1]).getTime()) {
        // 大于节日结束范围
        return 1;
    } else {
        // 节日期间
        return 2;
    }
},