节假日查询

复制# 内置 2025 年法定节假日 + 调休数据
# 来源：国务院办公厅《关于 2025 年部分节假日安排的通知》

from datetime import date, timedelta

# 年表结构：{节日名: [(放假开始日期, 放假天数, 调休上班日期列表)]}
holidays_2025 = {
    "元旦": [(date(2025, 1, 1), 1, [])],
    "春节": [(date(2025, 1, 28), 7, [date(2025, 1, 26), date(2025, 2, 8)])],
    "清明节": [(date(2025, 4, 4), 3, [date(2025, 3, 30)])],
    "劳动节": [(date(2025, 5, 1), 5, [date(2025, 4, 27)])],
    "端午节": [(date(2025, 5, 31), 3, [date(2025, 6, 1)])],
    "中秋节+国庆节": [(date(2025, 10, 1), 8, [date(2025, 9, 28), date(2025, 10, 11)])],
}

def is_holiday_or_workday(d: date) -> str:
    """返回指定日期是'法定假日'、'调休上班'还是'普通日'"""
    for name, periods in holidays_2025.items():
        for start, days, workdays in periods:
            if start <= d < start + timedelta(days=days):
                return f"法定假日（{name}）"
            if d in workdays:
                return "调休上班"
    return "普通日"

# 示例：2025-01-01（元旦）
print(is_holiday_or_workday(date(2025, 1, 1)))  # 法定假日（元旦）

# 示例：2025-01-26（春节调休上班）
print(is_holiday_or_workday(date(2025, 1, 26)))  # 调休上班

# 示例：2025-03-15（普通周末）
print(is_holiday_or_workday(date(2025, 3, 15)))  # 普通日

复制package main

import (
	"fmt"
	"time"
)

// 2025 年节假日年表（国务院通知）
type HolidayPeriod struct {
	Start    time.Time
	Days     int
	Workdays []time.Time // 调休上班日期
}

var holidays2025 = map[string][]HolidayPeriod{
	"元旦":             {{time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC), 1, nil}},
	"春节":             {{time.Date(2025, 1, 28, 0, 0, 0, 0, time.UTC), 7, []time.Time{time.Date(2025, 1, 26, 0, 0, 0, 0, time.UTC), time.Date(2025, 2, 8, 0, 0, 0, 0, time.UTC)}}},
	"清明节":           {{time.Date(2025, 4, 4, 0, 0, 0, 0, time.UTC), 3, []time.Time{time.Date(2025, 3, 30, 0, 0, 0, 0, time.UTC)}}},
	"劳动节":           {{time.Date(2025, 5, 1, 0, 0, 0, 0, time.UTC), 5, []time.Time{time.Date(2025, 4, 27, 0, 0, 0, 0, time.UTC)}}},
	"端午节":           {{time.Date(2025, 5, 31, 0, 0, 0, 0, time.UTC), 3, []time.Time{time.Date(2025, 6, 1, 0, 0, 0, 0, time.UTC)}}},
	"中秋节+国庆节": {{time.Date(2025, 10, 1, 0, 0, 0, 0, time.UTC), 8, []time.Time{time.Date(2025, 9, 28, 0, 0, 0, 0, time.UTC), time.Date(2025, 10, 11, 0, 0, 0, 0, time.UTC)}}},
}

func checkDay(d time.Time) string {
	for name, periods := range holidays2025 {
		for _, p := range periods {
			end := p.Start.AddDate(0, 0, p.Days)
			if (d.Equal(p.Start) || d.After(p.Start)) && d.Before(end) {
				return fmt.Sprintf("法定假日（%s）", name)
			}
			for _, wd := range p.Workdays {
				if d.Equal(wd) {
					return "调休上班"
				}
			}
		}
	}
	return "普通日"
}

func main() {
	fmt.Println(checkDay(time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC)))  // 法定假日（元旦）
	fmt.Println(checkDay(time.Date(2025, 1, 26, 0, 0, 0, 0, time.UTC))) // 调休上班
	fmt.Println(checkDay(time.Date(2025, 3, 15, 0, 0, 0, 0, time.UTC))) // 普通日
}

复制// 2025 年节假日年表（国务院办公厅通知）
const holidays2025 = {
  '元旦': [{ start: '2025-01-01', days: 1, workdays: [] }],
  '春节': [{ start: '2025-01-28', days: 7, workdays: ['2025-01-26', '2025-02-08'] }],
  '清明节': [{ start: '2025-04-04', days: 3, workdays: ['2025-03-30'] }],
  '劳动节': [{ start: '2025-05-01', days: 5, workdays: ['2025-04-27'] }],
  '端午节': [{ start: '2025-05-31', days: 3, workdays: ['2025-06-01'] }],
  '中秋节+国庆节': [{ start: '2025-10-01', days: 8, workdays: ['2025-09-28', '2025-10-11'] }],
};

function checkDay(dateStr) {
  const d = new Date(dateStr);
  for (const [name, periods] of Object.entries(holidays2025)) {
    for (const p of periods) {
      const start = new Date(p.start);
      const end = new Date(start);
      end.setDate(end.getDate() + p.days);
      if (d >= start && d < end) {
        return `法定假日（${name}）`;
      }
      if (p.workdays.includes(dateStr)) {
        return '调休上班';
      }
    }
  }
  return '普通日';
}

console.log(checkDay('2025-01-01'));  // 法定假日（元旦）
console.log(checkDay('2025-01-26'));  // 调休上班
console.log(checkDay('2025-03-15'));  // 普通日