php计算工作日

工作日的计算需要根据每年的具体情况设置编写年份的json文件(设定法定放假日期与调休上班日期)，json文件中0代表假期，1、代表调休上班

<?php

use DateTime;
use Exception;
use DatePeriod;
use DateInterval;

/**
 * @description: 工作日
 */
class WorkingDay
{
    /**
     * @description: 特殊日期,节假日，调休日
     * @var array 
     */
    private $_specialDay = [];

    /**
     * @description: 计算指定日期N个工作日之后的日期
     * @param string $date 指定日期
     * @param int $interval 间隔过昨日
     * @return {*}
     */
    public function workDays($date, $interval)
    {
        $datetime     = new DateTime($date);
        $dataInterval = new DateInterval('P1D');
        while ($interval > 0) {
            $datetime->add($dataInterval);
            if ($this->judgeDay($datetime->format('Y-m-d'))) {
                $interval--;
            }
        }
        return $datetime->format('Y-m-d');
    }

    /**
     * @description: 计算两个日期间的工作日
     * @param string $date1 指定日期1
     * @param string $date2 指定日期2
     * @return {*}
     */
    public function dayInterval($date1, $date2)
    {
        $workDay = 0;
        $datetime1    = new DateTime($date1);
        $datetime2    = new DateTime($date2);
        $dataInterval = new DateInterval('P1D');
        $datetime2->add($dataInterval);
        $datePeriod   = new DatePeriod($datetime1, $dataInterval, $datetime2);
        foreach ($datePeriod as $date) {
            if ($this->judgeDay($date->format('Y-m-d'))) {
                $workDay++;
            }
        }
        return $workDay;
    }

    /**
     * @description: 判断某一天是否是工作日
     * @param string $date
     * @return bool
     */
    public function judgeDay($date)
    {
        $datetime = new DateTime($date);
        $year     = $datetime->format('Y');
        if (!isset($this->_specialDay[$year])) {
            $this->_specialDay[$year] = json_decode(file_get_contents(dirname(__FILE__) . '/' . $year . '.json'), true);
            if (!$this->_specialDay[$year]) {
                throw new Exception('请先设置' . $year . '年份假期与调休');
            }
        }
        if (isset($this->_specialDay[$year][$date])) {
            return (bool)$this->_specialDay[$year][$date];
        } else {
            $week = $datetime->format('D');
            return $week == 'Sat' || $week == 'Sun' ? false : true;
        }
    }
}

2202.json

{
    "2022-01-01": 0,
    "2022-01-02": 0,
    "2022-01-03": 0,
    "2022-01-29": 1,
    "2022-01-30": 1,
    "2022-01-31": 0,
    "2022-02-01": 0,
    "2022-02-02": 0,
    "2022-02-03": 0,
    "2022-02-04": 0,
    "2022-02-05": 0,
    "2022-02-06": 0,
    "2022-04-02": 1,
    "2022-04-03": 0,
    "2022-04-04": 0,
    "2022-04-05": 0,
    "2022-04-24": 1,
    "2022-04-30": 0,
    "2022-05-01": 0,
    "2022-05-02": 0,
    "2022-05-03": 0,
    "2022-05-04": 0,
    "2022-05-07": 1,
    "2022-06-03": 0,
    "2022-06-04": 0,
    "2022-06-05": 0,
    "2022-09-10": 0,
    "2022-09-11": 0,
    "2022-09-12": 0,
    "2022-10-01": 0,
    "2022-10-02": 0,
    "2022-10-03": 0,
    "2022-10-04": 0,
    "2022-10-05": 0,
    "2022-10-06": 0,
    "2022-10-07": 0,
    "2022-10-08": 1,
    "2022-10-09": 1
}

2021.json

{
    "2021-01-01": 0,
    "2021-01-02": 0,
    "2021-01-03": 0,
    "2021-02-07": 1,
    "2021-02-11": 0,
    "2021-02-12": 0,
    "2021-02-13": 0,
    "2021-02-14": 0,
    "2021-02-15": 0,
    "2021-02-16": 0,
    "2021-02-17": 0,
    "2021-02-20": 1,
    "2021-04-03": 0,
    "2021-04-04": 0,
    "2021-04-05": 0,
    "2021-04-25": 1,
    "2021-05-01": 0,
    "2021-05-02": 0,
    "2021-05-03": 0,
    "2021-05-04": 0,
    "2021-05-05": 0,
    "2021-05-08": 1,
    "2021-06-12": 0,
    "2021-06-13": 0,
    "2021-06-14": 0,
    "2021-09-18": 1,
    "2021-09-19": 0,
    "2021-09-20": 0,
    "2021-09-21": 0,
    "2021-09-26": 1,
    "2021-10-01": 0,
    "2021-10-02": 0,
    "2021-10-03": 0,
    "2021-10-04": 0,
    "2021-10-05": 0,
    "2021-10-06": 0,
    "2021-10-07": 0,
    "2021-10-09": 1
}