golang计算星座属相

func GetZodiac(month, day int) string {
    month = month - 1
    var (
        DAY_ARR = [12]int{20, 19, 21, 20, 21, 22, 23, 23, 23, 24, 23, 22}
        ZODIACS = [13]string{"摩羯座", "水瓶座", "双鱼座", "白羊座", "金牛座", "双子座", "巨蟹座", "狮子座", "处女座", "天秤座", "天蝎座", "射手座", "摩羯座"}
    )

    if day < DAY_ARR[month] {
        return ZODIACS[month]
    } else {
        return ZODIACS[month+1]
    }
}

func GetChineseZodiac(year int) string {
    var CHINESE_ZODIACS = [12]string{"鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪"}
    if year > 1900 {
        return CHINESE_ZODIACS[(year-1900)%len(CHINESE_ZODIACS)]
    } else {
        return ""
    }
}