工龄计算

复制from datetime import date, timedelta

# 计算工龄（年、月、日）和累计年假天数
# 假设入职 2020-03-15，离职 2025-07-20
start = date(2020, 3, 15)
end = date(2025, 7, 20)

# 工龄计算：年差减去未满整年的月份
if end.day < start.day:
    # 未满整月，借位
    end_month_adj = end.month - 1
    if end_month_adj == 0:
        end_month_adj = 12
        end_year_adj = end.year - 1
    else:
        end_year_adj = end.year
    months_diff = (end_year_adj - start.year) * 12 + (end_month_adj - start.month)
    days_diff = (end - date(end_year_adj, end_month_adj, start.day)).days
else:
    months_diff = (end.year - start.year) * 12 + (end.month - start.month)
    days_diff = end.day - start.day

years = months_diff // 12
months = months_diff % 12
days = days_diff
print(f"工龄：{years}年{months}月{days}天")  # 5年4月5天

# 累计年假（按中国劳动法：满1年5天，满10年10天，满20年15天）
if years < 1:
    annual_leave = 0
elif years < 10:
    annual_leave = 5
elif years < 20:
    annual_leave = 10
else:
    annual_leave = 15
print(f"累计年假：{annual_leave}天/年")  # 5天/年

复制package main

import (
	"fmt"
	"time"
)

func main() {
	// 计算工龄和年假天数
	start := time.Date(2020, 3, 15, 0, 0, 0, 0, time.UTC)
	end := time.Date(2025, 7, 20, 0, 0, 0, 0, time.UTC)

	// 计算整年、整月、剩余天数
	years := end.Year() - start.Year()
	months := int(end.Month()) - int(start.Month())
	days := end.Day() - start.Day()

	if days < 0 {
		// 借位：上个月的天数
		prevMonth := end.AddDate(0, -1, 0)
		days += prevMonth.Day()
		months--
	}
	if months < 0 {
		months += 12
		years--
	}

	fmt.Printf("工龄：%d年%d月%d天\n", years, months, days) // 5年4月5天

	// 年假计算（中国劳动法标准）
	var annualLeave int
	switch {
	case years < 1:
		anualLeave = 0
	case years < 10:
		anualLeave = 5
	case years < 20:
		anualLeave = 10
	default:
		anualLeave = 15
	}
	fmt.Printf("累计年假：%d天/年\n", annualLeave) // 5天/年
}

复制// 计算工龄和年假（纯前端，无需依赖）
function calcSeniority(startStr, endStr) {
  const start = new Date(startStr);
  const end = new Date(endStr);
  
  let years = end.getFullYear() - start.getFullYear();
  let months = end.getMonth() - start.getMonth();
  let days = end.getDate() - start.getDate();
  
  if (days < 0) {
    // 借位上个月的天数
    const prevMonth = new Date(end.getFullYear(), end.getMonth(), 0);
    days += prevMonth.getDate();
    months--;
  }
  if (months < 0) {
    months += 12;
    years--;
  }
  
  // 年假（中国劳动法）
  let annualLeave;
  if (years < 1) annualLeave = 0;
  else if (years < 10) annualLeave = 5;
  else if (years < 20) annualLeave = 10;
  else annualLeave = 15;
  
  return { years, months, days, annualLeave };
}

const result = calcSeniority('2020-03-15', '2025-07-20');
console.log(`工龄：${result.years}年${result.months}月${result.days}天`); // 5年4月5天
console.log(`累计年假：${result.annualLeave}天/年`); // 5天/年