ThinkPHP中获取指定日期后工作日的具体日期方法

Z时代
2024-01-10
分类：综合

思路：

1、获取到查询年份内所有工作日数据数组

2、获取到查询开始日期在工作日的索引

3、计算需查询日期索引

4、获得查询日期


/*创建日期类型记录表格*/
CREATE TABLE `tb_workday` (
`did` int(11) NOT NULL AUTO_INCREMENT,
`exact_date` varchar(32) NOT NULL COMMENT '具体日期：格式date("Ymd");(20170205)',
`date_year` varchar(32) NOT NULL COMMENT '具体日期：格式date("Y");(2017)',
`date_type` tinyint(2) NOT NULL COMMENT '日期类型：0、工作日；1、特殊工作日；2、法定节假日',
PRIMARY KEY (`did`)
) ENGINE=InnoDB AUTO_INCREMENT=829 DEFAULT CHARSET=utf8 COMMENT='各年工作日&法定节假日数据'


<?php
class work_days
{
 /**
 * 获取星期
 * @param $date
 * @return mixed
 */
 function get_week($date)
 {
 //强制转换日期格式
 $date_str = date('Y-m-d', strtotime($date));
 //封装成数组
 $arr = explode("-", $date_str);
 //参数赋值
 //年
 $year = $arr[0];
 //月，输出2位整型，不够2位右对齐
 $month = sprintf('%02d', $arr[1]);
 //日，输出2位整型，不够2位右对齐
 $day = sprintf('%02d', $arr[2]);
 //时分秒默认赋值为0；
 $hour = $minute = $second = 0;
 //转换成时间戳
 $strap = mktime($hour, $minute, $second, $month, $day, $year);
 //获取数字型星期几
 $number_wk = date("w", $strap);
 //获取数字对应的星期
 return $number_wk;
 //自定义星期数组
 //$weekArr = array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六");
 //获取数字对应的星期
 //return $weekArr[$number_wk];
 }
 /**
 * 获取指定日期段内每一天的日期
 * @param string $startdate 开始日期
 * @param string $enddate 结束日期
 * @return array
 */
 function getDateFromRange($startdate, $enddate)
 {
 $stimestamp = strtotime($startdate);
 $etimestamp = strtotime($enddate);
 // 计算日期段内有多少天
 $days = ($etimestamp - $stimestamp) / 86400 + 1;
 // 保存每天日期
 $_list_date = array();
 for ($i = 0; $i < $days; $i++) {
 $_list_date[] = date('Y-m-d', $stimestamp + (86400 * $i));
 }
 return $_list_date;
 }
 function curl_post($url, $data = null)
 {
 $curl = curl_init();
 curl_setopt($curl, CURLOPT_URL, $url);
 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
 if (!empty($data)) {
 curl_setopt($curl, CURLOPT_POST, 1);
 curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
 }
 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 $output = curl_exec($curl);
 curl_close($curl);
 return $output;
 }
 /**
 * 更新数据库指定年份日期数据
 * @param $year
 * @return int
 */
 function updateDate($year)
 {
 $startDate = date('Y-m-d', strtotime($year . '-01-01'));
 $endDate = date('Y-m-d', strtotime('+1 year', strtotime($startDate)) - 86400);
 $_list_date = self::getDateFromRange($startDate, $endDate);
 $url = 'http://api.goseek.cn/Tools/holiday';//自行查找的免费API
 $m = M('tb_workday');
 $count = 0;
 foreach ($_list_date as $k => $_date) {
 $_ret = 0;
 $_date = date('Ymd', strtotime($_date));
 $_post_data = array('date' => $_date);
 $_ret_curl = curl_post($url, $_post_data);
 $_ret_curl = json_decode($_ret_curl, true);
 //工作日
 if ($_ret_curl['data'] == 0) {
 $dateData['exact_date'] = $_date;
 $dateData['date_year'] = $year;
 $dateData['date_type'] = 0;
 $_ret = $m->add($dateData) ? 1 : 0;
 unset($dateData);
 //工作日 判断是否为周末
 if (in_array(self::get_week($_date), array(0, 1))) {
  //特殊工作日
  $dateData['exact_date'] = $_date;
  $dateData['date_year'] = $year;
  $dateData['date_type'] = 1;
  $_ret = $m->add($dateData) ? 1 : 0;
  unset($dateData);
 }
 }
 //法定节假日
 if ($_ret_curl['data'] == 2) {
 $dateData['exact_date'] = $_date;
 $dateData['date_year'] = $year;
 $dateData['date_type'] = 2;
 $_ret = $m->add($dateData) ? 1 : 0;
 unset($dateData);
 }
 //休息日(周末) 暂不处理
 /*if ($_ret_curl['data'] == 1) {
 }*/
 $_ret && $count++;
 unset($_date, $_post_data, $_ret_curl, $_ret);
 }
 return $count;
 }
 /**
 * 获取当年所有工作日 (从数据库获取，数据库无数据则先更新数据)
 * @param string $year 当年年份
 * @return array
 */
 private function getWorkDays($year)
 {
 $m = M('tb_workday');
 $map['date_year'] = $year;
 $map['date_type'] = 0;
 $DateArray = $m->field('exact_date')->where($map)->select();
 if (!empty($DateArray)) {
 $DateArray = array_column($DateArray, 'exact_date');
 return $DateArray;
 } else {
 //更新数据库工作日数据
 $ret = self::updateDate($year);
 if ($ret > 0) {
 return self::getWorkDays($year);
 } else {
 return false;
 }
 }
 }
 /**
 * 获取开始日期后第N个工作日具体日期
 * @param $startdate string 计算开始日期 需包含年月日信息
 * @param $days int 间隔天数
 * @return mixed 成功返回 对应日期，失败返回false
 */
 public function getNextWorkDate($startdate, $days)
 {
 $year = date('Y', strtotime($startdate));
 $startdate = date('Y-m-d', strtotime($startdate));
 $workDays = $this->getWorkDays($year);
 $search_key = array_search(date('Ymd', strtotime($startdate)), $workDays);
 if ($search_key === false) {//查询日期为非工作
 //获取查询日期前最近工作日
 $m = M('tb_workday');
 $map['date_year'] = $year;
 $map['date_type'] = 0;
 $map['DATE_FORMAT(`exact_date`,\'%Y-%m-%d\')'] = array('LT', $startdate);
 $_search_date = $m->where($map)->order('`exact_date` DESC')->getField('exact_date');
 $search_key = array_search($_search_date, $workDays);
 unset($m, $map, $_search_date);
 }
 $t_key = $search_key + $days;
 if ($t_key <= count($workDays) - 1) {
 return date('Y-m-d', strtotime($workDays[$t_key]));
 } else {
 //查询日期已跨年
 $n_days = $days - (count($workDays) - 1 - $search_key);
 $next_year = $year + 1;
 return $this->getNextWorkDate($next_year . '-01-01', $n_days - 1);
 }
 }
}
$startdate = '2018-09-28';
$days = 5;
$class = new work_days();
$_date_workday = $class->getNextWorkDate($startdate, $days);
echo $_date_workday;//2018-10-10