欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

python 生成 1900-2100 的二十四节气文件

程序员文章站 2022-05-31 10:27:25
[学习笔记] 转载 #!/usr/bin/python3.7# -*- coding:utf-8 -*- '''整体思路1:根据公式算出节气日期 1900 年到 2100 200 年的时间2:特殊的年份进行纠正3:保存到文件里去 '''import sysimport jsonimport gcim ......

[学习笔记] 转载

#!/usr/bin/python3.7
# -*- coding:utf-8 -*-

'''
整体思路
1:根据公式算出节气日期 1900 年到 2100  200 年的时间
2:特殊的年份进行纠正
3:保存到文件里去


'''
import sys
import json
import gc
import os

default_encoding = 'utf-8'
if sys.getdefaultencoding() != default_encoding:
    reload(sys)
class jieqi:
    # 计算节气的c常量组
    c_list_21 = [3.87, 18.73, 5.63, 20.646, 4.81, 20.1, 5.52, 21.04, 5.678, 21.37, 7.108, 22.83, 7.5, 23.13, 7.646, 23.042, 8.318, 23.438, 7.438, 22.36, 7.18, 21.94, 5.4055, 20.12]

    c_list_20 = [4.6295, 19.4599, 6.3826, 21.4155, 5.59,20.888, 6.318, 21.86, 6.5, 22.2, 7.928, 23.65, 8.35,  23.95, 8.44, 23.822, 9.098, 24.218, 8.218, 23.08, 7.9, 22.6, 6.11, 20.84]

    # 节气名称组
    name_arr = ["立春", "雨水", "惊蛰", "春分", "清明", "谷雨", "立夏", "小满", "芒种", "夏至", "小暑", "大暑", "立秋", "处暑", "白露", "秋分", "寒露", "霜降", "立冬", "小雪", "大雪", "冬至", "小寒", "大寒"]

    def __init__(self):
        self.c_list=[]

    ## 特殊年份特殊节气进行纠正
    def rectify_year(self,year,jieqiid,day):
        ## 特殊年份
        rectify_year = [2026,2084,1911,2008,1902,1928,1925,2016,1922,2002,1927,1942,2089,2089,1978,1954,1918,2021,1982,2082,2019,2021]
        ## 特殊节气
        rectify_jieqi = [1,3,6,7,8,9,10,10,11,12,14,15,17,18,19,20,21,21,22,22,23]
        ## 偏移量
        rectify_offset = [-1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,-1,-1,1,-1,1]
        pop2 = -1
        if year in rectify_year:
            if year == 2089:
                pop1 = rectify_year.index(year) ## 找到位置
                pop2 = pop1+1
            else:
                pop1 = rectify_year.index(year) ## 找到位置

            if rectify_jieqi[pop1] == jieqiid:
                day = day + int(rectify_offset[pop1])
            if rectify_jieqi[pop2] == jieqiid:
                day = day + int(rectify_offset[pop2])
        return day


    #计算节气日期,并创建文件
    def creat_year_jieqi(self,year):
            year_pre = year//100
            if year_pre == 19:
                c_arr = self.c_list_20
            elif year_pre == 20:
                c_arr = self.c_list_21

            year_num = year%100
            list_arr = []
            for i in range(0, 24):
                c = c_arr[i]
                ## 注意:凡闰年3月1日前闰年数要减一,即:l=[(y-1)/4],因为小寒、大寒、立春、雨水这两个节气都小于3月1日,所以 y = y-1
                if i == 0 or i == 1 or i == 22 or i == 23:
                    if self.comrun(year):
                        days = (year_num * 0.2422 + c) // 1 - ((year_num-1)// 4)
                    else:
                        days = (year_num * 0.2422 + c) // 1 - (year_num // 4)
                else:
                    days = (year_num * 0.2422 + c) // 1 - (year_num // 4)

                ## 特殊年份节气进行纠正
                days = self.rectify_year(year,i,days)

                days = int(days)
                days = '%02d' % days
                y = int(year_num // 1)
                m = i // 2 + 2
                if m == 13:
                    m = 1
                m = '%02d' % m
                y = '%02d' % y
                strs = "{3}{0}-{1}-{2} 00:00:00".format(str(y), str(m), str(days),str(year_pre))
                item = dict(name=self.name_arr[i], jieqiid=str(i + 1), time=strs)
                # print (item)
                list_arr.append(item)
            list_str = json.dumps(list_arr,ensure_ascii=false) ## 中文不进行编码
            file_name = "./json/{0}.json".format(str(year))
            with open(file_name, "w",encoding="utf-8") as f:  ## 打开时用 utf-8 编码
                json.dump(list_str, f,ensure_ascii=false)
                print("{0}已载入文件完成...".format(str(year)))

    # 读取年份为 name 年的节气数据
    def read_json_file(self,name):
        json_file = open('./json/' + name + '.json', 'r',encoding="utf-8")
        json_str = json_file.read()
        dic = json.loads(json_str)
        print(dic)

    # 读取测试
    # read_json_file('2029')

    # 读取所有年份的节气数据
    def check_all_file(self):
        for index in range(1900, 2100):
            c_file_name = './json/{0}.json'.format(str(index))
            if os.path.isfile(c_file_name):
                json_file = open(c_file_name, 'r',encoding="utf-8")
                json_str = json_file.read()
                dic = json.loads(json_str)
                print (str(index) + dic)
    ## 算是否是闰年
    def comrun(self,year):
        i = 0
        if (year % 4) != 0 :
            i=0
        elif ((year % 100) == 0) & ((year % 400) != 0):
            i=0
        else:
            i=1
        return i

jieqi = jieqi()

#jieqi.creat_year_jieqi(2004)
#jieqi.read_json_file('2006')
#jieqi.check_all_file()
#
#for i in range(1900,2100):
#   jieqi.creat_year_jieqi(i)

版权声明:本文为转载文章,原文地址: