周易占卦解卦程序
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一、说明
上上周末看《易经》其封面大概是这么一张图（其实还有各卦对应的五行但一下找不到这样的图），想着为什么一个卦用三层表示呢，辗转反侧突然想到这就是二进制啊，需要三位才能表示八个数（000-111）。
然后又去看占卦解卦原理，感觉就是给定一个输入----经过一定的算法流转----给出一个输出，最后一想这就是一个典型的算法啊，完全可以写成一个程序而且感觉这也是一个比较有趣的事。
二、占卦解卦原理
2.1 占卦原理
参考：https://www.buyiju.com/fengshui/zhishi/10063.html
2.2 解卦原理
参考：http://blog.sina.com.cn/s/blog_5bdeff550102yo2s.html
三、占卦解卦程序
3.1 实例代码
import random import datetime from yi_book import book class YiProgram(): def __init__(self): pass # 设置随机数种子，确保用户输入一样时，得到的随机数是一样的 def _set_random_seed(self, time_seed_str): def _transfer_str_to_time_seed(): user_input_str_bytes = time_seed_str.encode() inner_random_seed = 0 for tmp_byte in user_input_str_bytes: inner_random_seed += tmp_byte return inner_random_seed random_seed = _transfer_str_to_time_seed() random.seed(random_seed) # 执行一轮变化 def _exec_one_transfer(self, cosmos_count): # 第一步，将四十九颗棋子随机分为左右两组，象征混沌初开，天地一分为二，一边为天，一边为地。 cosmos_list = [1] * cosmos_count divide_index = random.randint(int(cosmos_count/3), int(cosmos_count/3)*2) sky_list = cosmos_list[:divide_index] land_list = cosmos_list[divide_index:] # 第二步，有天有地就该有人，所以任意拿掉一组中的一个棋子，这颗棋子便为人。然后形成三才。 person_point = random.randint(0,cosmos_count) if person_point < divide_index: sky_list.pop() else: land_list.pop() # 第三步，以象征天的那组棋子数除以四，获得余数，如果整除则余数改为4（这里的四象征着一年四季）。 sky_remainder = len(sky_list) % 4 if sky_remainder == 0: sky_remainder = 4 # sky_list = sky_list[:-sky_remainder] # 第四步，对象征地的那组进行同样的操作。 land_remainder = len(land_list) % 4 if land_remainder == 0: land_remainder = 4 # land_list = land_list[:-land_remainder] # 第五步，减去象征人的棋子及两组的余数，获取剩余的棋子数 remove_count = 1 + sky_remainder + land_remainder cosmos_count = cosmos_count - remove_count return cosmos_count # 递规执行三轮变化获取剩余的棋子数，即一爻 def _gen_one_symbol(self, cosmos_count=49, transfer_index=0): cosmos_count = self._exec_one_transfer(cosmos_count) transfer_index += 1 if transfer_index >= 3: return cosmos_count else: return self._gen_one_symbol(cosmos_count=cosmos_count, transfer_index=transfer_index) # 获取六爻，组成本卦 def _gen_origin_hexagram(self): six_symbol_list = [] for symbol_index in range(6): tmp_symbol = int(self._gen_one_symbol() / 4) six_symbol_list.append(tmp_symbol) return six_symbol_list # 根据本卦获取变卦 def _gen_support_hexagram(self, origin_hexagram): support_hexagram = [] for tmp_value in origin_hexagram: if tmp_value == 6: tmp_value = 9 elif tmp_value == 9: tmp_value = 6 support_hexagram.append(tmp_value) return support_hexagram # 分析变爻数及变爻下标列表 def _get_turn_symbol_count_and_index_list(self, origin_hexagram, support_hexagram): turn_symbol_count = 0 turn_symbol_index_list = [] not_turn_symbol_index_list = [] for index in range(len(origin_hexagram)): if origin_hexagram[index] != support_hexagram[index]: turn_symbol_count += 1 turn_symbol_index_list.append(index) else: not_turn_symbol_index_list.append(index) return turn_symbol_count,turn_symbol_index_list,not_turn_symbol_index_list # 偶数为阴，奇数为阳 def _get_hexagram_dict_key(self, hexagram): hexagram_dict_key = "" for tmp_value in hexagram: hexagram_dict_key += str(tmp_value % 2) return hexagram_dict_key # 解卦 def _parser_hexagram(self, origin_hexagram, support_hexagram): main_indicate = "" support_indicate = "" turn_symbol_desc = "" origin_hexagram_dict_key = self._get_hexagram_dict_key(origin_hexagram) support_hexagram_dict_key = self._get_hexagram_dict_key(support_hexagram) turn_symbol_count,turn_symbol_index_list,not_turn_symbol_index_list = self._get_turn_symbol_count_and_index_list(origin_hexagram, support_hexagram) # 六爻皆不变者，占本卦卦辞 if turn_symbol_count == 0: turn_symbol_desc = "六爻皆不变者，占本卦卦辞。" main_indicate = book[origin_hexagram_dict_key]["indicate"][0] # 一爻变者，以本卦变爻之辞占 elif turn_symbol_count == 1: turn_symbol_desc = "一爻变者，以本卦变爻之辞占。" main_indicate = book[origin_hexagram_dict_key]["indicate"][turn_symbol_index_list[0]+1] # 二爻变者，则以本卦二变爻之辞占，而以上爻之辞为主 elif turn_symbol_count == 2: turn_symbol_desc = "二爻变者，则以本卦二变爻之辞占，而以上爻之辞为主。" main_indicate = book[origin_hexagram_dict_key]["indicate"][turn_symbol_index_list[1]+1] support_indicate = book[origin_hexagram_dict_key]["indicate"][turn_symbol_index_list[0]+1] # 三爻变者，占本卦及之卦的卦辞，而以本卦为主 elif turn_symbol_count == 3: turn_symbol_desc = "三爻变者，占本卦及之卦的卦辞，而以本卦为主。" main_indicate = book[origin_hexagram_dict_key]["indicate"][0] support_indicate = book[support_hexagram_dict_key]["indicate"][0] # 四爻变者，以之卦中二不变之爻辞占，以下爻为主 elif turn_symbol_count == 4: turn_symbol_desc = "四爻变者，以之卦中二不变之爻辞占，以下爻为主。" main_indicate = book[origin_hexagram_dict_key]["indicate"][not_turn_symbol_index_list[0]+1] support_indicate = book[origin_hexagram_dict_key]["indicate"][not_turn_symbol_index_list[1]+1] # 五爻变者，以之卦中不变爻的爻辞占 elif turn_symbol_count == 5: turn_symbol_desc = "五爻变者，以之卦中不变爻的爻辞占。" main_indicate = book[origin_hexagram_dict_key]["indicate"][not_turn_symbol_index_list[0]+1] # 六爻皆变者，以乾坤二用之辞占，并参考其之卦卦辞 elif turn_symbol_count == 6: turn_symbol_desc = "六爻皆变者，以乾坤二用之辞占，并参考其之卦卦辞。" main_indicate = book[origin_hexagram_dict_key]["indicate"][7] support_indicate = book[support_hexagram_dict_key]["indicate"][0] return turn_symbol_desc,main_indicate,support_indicate def main_logic_new(self): user_wish = input("请输入你所求之事:") user_pray = input(f"请输入你的祈祷：") today = datetime.datetime.now().__format__("%Y%m%d") time_seed_str = user_wish + user_pray + today # 设置随机数种子，确保当天同样的输出得到的结果是一样的 self._set_random_seed(time_seed_str) print(" 稍等，正在计算卦象...") # 生成本卦 origin_hexagram = self._gen_origin_hexagram() # 计算变卦 support_hexagram = self._gen_support_hexagram(origin_hexagram) # 本卦对应的内容的key origin_hexagram_dict_key = self._get_hexagram_dict_key(origin_hexagram) # 变卦对应的内容的key support_hexagram_dict_key = self._get_hexagram_dict_key(support_hexagram) print(f"本卦：{origin_hexagram}--{book[origin_hexagram_dict_key][‘name‘]}--{book[origin_hexagram_dict_key][‘come_from‘]} " f"变卦：{support_hexagram}--{book[support_hexagram_dict_key][‘name‘]}--{book[support_hexagram_dict_key][‘come_from‘]}") print(" 稍等，正在解卦...") # 解卦 turn_symbol_desc, main_indicate, support_indicate = self._parser_hexagram(origin_hexagram, support_hexagram) print(f"说明：{turn_symbol_desc} " f"主预言：{main_indicate} " f"辅预言：{support_indicate}") if __name__ == "__main__": obj = YiProgram() obj.main_logic_new()
3.2 运行示例
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