结婚纪念日

复制from datetime import date

# 结婚纪念日名称映射（中国常见标准）
NAMES = {
    1: '纸婚', 5: '木婚', 10: '锡婚', 15: '水晶婚',
    20: '瓷婚', 25: '银婚', 30: '珍珠婚', 35: '珊瑚婚',
    40: '红宝石婚', 45: '蓝宝石婚', 50: '金婚',
    55: '翡翠婚', 60: '钻石婚', 70: '白金婚'
}

def anniversary_name(wedding_date: date, today: date = None) -> str:
    """计算结婚周年数并返回对应名称"""
    if today is None:
        today = date.today()
    # 计算周年：比较月日，若未到则减1
    years = today.year - wedding_date.year
    if (today.month, today.day) < (wedding_date.month, wedding_date.day):
        years -= 1
    if years < 1:
        return f'结婚未满一年'
    # 取最接近的已知周年名称（向下取整）
    matched = max((k for k in NAMES if k <= years), default=None)
    if matched:
        return f'{years}周年（{NAMES[matched]}）'
    return f'{years}周年'

# 示例：假设 2000年6月15日结婚
wedding = date(2000, 6, 15)
print(anniversary_name(wedding, date(2025, 6, 15)))  # 25周年（银婚）
print(anniversary_name(wedding, date(2025, 5, 1)))   # 24周年（瓷婚）

复制package main

import (
	"fmt"
	"time"
)

// anniversaryName 计算结婚周年名称
func anniversaryName(wedding time.Time, now time.Time) string {
	years := now.Year() - wedding.Year()
	// 如果今年纪念日还没到，减1年
	if now.YearDay() < wedding.YearDay() {
		years--
	}
	if years < 1 {
		return "结婚未满一年"
	}
	// 周年名称映射
	names := map[int]string{
		1: "纸婚", 5: "木婚", 10: "锡婚", 15: "水晶婚",
		20: "瓷婚", 25: "银婚", 30: "珍珠婚", 35: "珊瑚婚",
		40: "红宝石婚", 45: "蓝宝石婚", 50: "金婚",
		55: "翡翠婚", 60: "钻石婚", 70: "白金婚",
	}
	matched := 0
	for k := range names {
		if k <= years && k > matched {
			matched = k
		}
	}
	if matched > 0 {
		return fmt.Sprintf("%d周年（%s）", years, names[matched])
	}
	return fmt.Sprintf("%d周年", years)
}

func main() {
	wedding := time.Date(2000, 6, 15, 0, 0, 0, 0, time.UTC)
	now := time.Date(2025, 6, 15, 0, 0, 0, 0, time.UTC)
	fmt.Println(anniversaryName(wedding, now)) // 25周年（银婚）

	now2 := time.Date(2025, 5, 1, 0, 0, 0, 0, time.UTC)
	fmt.Println(anniversaryName(wedding, now2)) // 24周年（瓷婚）
}

复制// 结婚周年名称计算（浏览器 / Node.js 均可运行）
const NAMES = {
  1: '纸婚', 5: '木婚', 10: '锡婚', 15: '水晶婚',
  20: '瓷婚', 25: '银婚', 30: '珍珠婚', 35: '珊瑚婚',
  40: '红宝石婚', 45: '蓝宝石婚', 50: '金婚',
  55: '翡翠婚', 60: '钻石婚', 70: '白金婚'
};

function anniversaryName(weddingDate, today = new Date()) {
  const wedding = new Date(weddingDate);
  let years = today.getFullYear() - wedding.getFullYear();
  // 比较月日，纪念日未到则减1
  const monthDayToday = today.getMonth() * 100 + today.getDate();
  const monthDayWedding = wedding.getMonth() * 100 + wedding.getDate();
  if (monthDayToday < monthDayWedding) {
    years--;
  }
  if (years < 1) return '结婚未满一年';
  // 找到最接近的已知周年（向下取整）
  const matched = Math.max(...Object.keys(NAMES).filter(k => k <= years).map(Number), 0);
  if (matched > 0) {
    return `${years}周年（${NAMES[matched]}）`;
  }
  return `${years}周年`;
}

// 示例
console.log(anniversaryName('2000-06-15', new Date('2025-06-15'))); // 25周年（银婚）
console.log(anniversaryName('2000-06-15', new Date('2025-05-01'))); // 24周年（瓷婚）