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import re # 导入正则表达式模块
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import os # 导入操作系统相关模块
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import joblib # 导入用于序列化和反序列化Python对象的模块
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import asyncio # 导入异步I/O模块
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import aiohttp # 异步HTTP客户端/服务器框架
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import requests as rq # 导入用于发送HTTP请求的模块,起别名rq
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import pandas as pd # 导入用于数据分析的库,起别名pd
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class getTopSecCom:
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def __init__(self, top=None):
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# 设置请求头信息
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self.headers = {"Referer": "http://quote.eastmoney.com/",
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36"}
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# 定义获取板块股票列表的URL
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self.bk_url = "http://71.push2.eastmoney.com/api/qt/clist/get?cb=jQuery1124034348162124675374_1612595298605&pn=1&pz=85&po=1&np=1&ut=bd1d9ddb04089700cf9c27f6f7426281&fltt=2&invt=2&fid=f62&fs=b:BK0655&fields=f12,f14&_=1612595298611"
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# 定义雪球网的API地址
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self.shares_api = "https://xueqiu.com/S/"
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self.top = top
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# 如果不存在文件夹"./useful_sec_com_list",则获取股票公司代码列表
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if not os.path.exists("./useful_sec_com_list"):
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self.useful_sec_com_list = self.get_sec_com_code()
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else:
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# 否则,从文件中加载已有的列表数据
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with open("./useful_sec_com_list", "rb") as fp:
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self.useful_sec_com_list = joblib.load(fp)
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# 获取股票公司代码列表
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def get_sec_com_code(self):
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# 发送HTTP请求,获取板块股票列表的HTML内容
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html = rq.get(self.bk_url, headers=self.headers).content.decode("utf-8")
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# 从HTML内容中提取股票公司列表信息
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sec_com_list = eval(re.findall("\[(.*?)\]", html)[0])
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# 过滤出有效的股票公司列表
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useful_sec_com_list = [[i["f12"], i["f14"]] for i in sec_com_list if "ST" not in i["f14"]]
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# 将股票代码格式化为统一的格式
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for sec_com in useful_sec_com_list:
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if sec_com[0][0] == "6":
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sec_com[0] = "sh" + sec_com[0]
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else:
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sec_com[0] = "sz" + sec_com[0]
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# 将有效的股票公司列表保存到文件中
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with open("useful_sec_com_list", "wb") as fp:
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joblib.dump(useful_sec_com_list, fp)
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return useful_sec_com_list
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# 异步方式获取股票详细信息
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async def async_get_shares_details(self, sec_com, url):
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async with aiohttp.ClientSession() as session:
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async with session.get(url, headers=self.headers) as response:
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html = await response.text()
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market_value = re.search("<td>总市值:<span>(.*?)亿</span>", html)
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if market_value:
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return [*sec_com, market_value.groups()[0]]
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# 异步方式获取所有股票的详细信息
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async def async_get_all_shares(self):
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tasks = []
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for sec_com in self.useful_sec_com_list:
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url = self.shares_api + sec_com[0]
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tasks.append(
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asyncio.create_task(
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self.async_get_shares_details(sec_com, url)
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)
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)
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done, pending = await asyncio.wait(tasks)
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return [share.result() for share in done if share.result()]
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# 获取股票详细信息(同步方式)
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def get_shares_details(self):
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all_shares = []
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for sec_com in self.useful_sec_com_list:
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url = self.shares_api + sec_com[0]
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response = rq.get(url, headers=self.headers).content.decode("utf-8")
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market_value = re.search("<td>总市值:<span>(.*?)亿</span>", response)
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if market_value:
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all_shares.append([*sec_com, market_value.groups()[0]])
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return all_shares
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# 保存数据到不同类型的存储介质中
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def yield_storage(self, save_path, storage_type="all"):
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if storage_type == "txt" or storage_type == "all":
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self.save_txt(save_path) # 保存为文本文件
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if storage_type == "csv" or storage_type == "all":
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self.save_csv(save_path) # 保存为CSV文件
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if storage_type == "sql" or storage_type == "all":
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self.save_sql(save_path) # 保存到SQL数据库中
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# 将数据保存为文本文件
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def save_txt(self, save_path):
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all_shares = asyncio.run(self.async_get_all_shares())
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with open(save_path, 'w', encoding='utf-8') as f:
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for share in all_shares:
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f.write(f"{share[0]}, {share[1]}, {share[2]}\n")
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# 将数据保存为CSV文件
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def save_csv(self, save_path):
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all_shares = asyncio.run(self.async_get_all_shares())
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df = pd.DataFrame(all_shares, columns=["股票代码", "公司", "市值(亿)"])
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df["市值(亿)"] = df["市值(亿)"].astype(float)
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df.sort_values(by="市值(亿)", ascending=False, inplace=True)
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df.to_csv(save_path, index=False, encoding='utf-8-sig')
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# 将数据保存到SQL数据库中
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def save_sql(self, save_path):
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all_shares = asyncio.run(self.async_get_all_shares())
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with open(save_path, 'w', encoding='utf-8') as f:
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for share in all_shares:
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f.write(
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f"INSERT INTO shares (股票代码, 公司, 市值亿) VALUES ('{share[0]}', '{share[1]}', {share[2]});\n")
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# 统一接口,根据存储类型选择不同的保存
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def yield_storage(self, save_path, storage_type="all"):
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if storage_type == "txt" or storage_type == "all":
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self.save_txt(f"{save_path}.txt") # 修改这里,传递相同的文件名
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if storage_type == "csv" or storage_type == "all":
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self.save_csv(f"{save_path}.csv") # 修改这里,传递相同的文件名
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if storage_type == "sql" or storage_type == "all":
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self.save_sql(f"{save_path}.sql") # 修改这里,传递相同的文件名
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if __name__ == "__main__":
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# 创建getTopSecCom类的实例对象
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m = getTopSecCom()
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save_path = "rank"
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# 用户选择存储方式
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storage_option = input("请选择存储方式:\n1. txt\n2. csv\n3. sql\n4. all\n请输入数字:")
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# 根据用户选择的存储方式执行相应的操作
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if storage_option == "1":
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# 保存为文本文件
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m.yield_storage(f"{save_path}.txt", "txt")
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elif storage_option == "2":
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# 保存为CSV文件
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m.yield_storage(f"{save_path}.csv", "csv")
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elif storage_option == "3":
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# 保存到SQL数据库中
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m.yield_storage(f"{save_path}.sql", "sql")
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elif storage_option == "4":
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# 全部保存
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m.yield_storage(save_path, "all")
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else:
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# 输入错误提示
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print("请输入正确的数字选项。") # 提示用户输入正确的数字选项
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