教你用 Python 快速獲取相關(guān)概念股，輔助價(jià)值投資！

import?requests
from?lxml?import?etree
import?re

...
?def?__get_concept_stocks_info(self):
????????"""
????????獲取概念股信息
????????:return:
????????"""
????????html_element?=?etree.HTML(self.session.get(self.home_url).text)
????????a_elements?=?html_element.xpath('//p[@class="jrj-clear"]//a')

????????result?=?[]

????????for?a_element?in?a_elements:
????????????a_element_text?=?a_element.xpath('./text()')[0].replace('概念股',?'')
????????????a_element_href?=?a_element.xpath('./@href')[0]

????????????if?self.keyword?in?a_element_text:
????????????????a_element_tag?=?re.findall(r'^.*_(.*).shtml$',?a_element_href)[-1]
????????????????result.append({
????????????????????"cs":?a_element_text,
????????????????????"href":?a_element_href,
????????????????????"tag":?a_element_tag
????????????????})
????????return?result
...

...
????def?__get_concept_stocks(self,?concept_stocks_info):
????????"""
????????獲取相關(guān)概念股列表
????????:param?concept_stocks_info:
????????:return:
????????"""
????????url?=?f'http://**/concept/conceptdetail/conceptStock_{concept_stocks_info.get("tag")}.js'
????????headers?=?{'User-Agent':?UserAgent().random}
????????#?去掉換行符，轉(zhuǎn)為中文
????????resp?=?self.session.get(url,?headers=headers).text.replace('\n',?'').encode('utf-8').decode(
????????????'unicode_escape')
????????#?正則匹配，獲取對(duì)應(yīng)股票
????????stocks_list?=?json.loads(re.findall(r'^.*"stockData":(.*)};$',?resp,?re.IGNORECASE)[0].replace("\'",?"\""))

????????return?[(item[1],?item[0])?for?item?in?stocks_list]
...
????????#?2、獲取相關(guān)概念列表
????????for?concept_stocks_info?in?concept_stocks_infos:
????????????concept_stocks?=?self.__get_concept_stocks(concept_stocks_info)
????????????# print('概念個(gè)股列表如下：')
????????????#?print(concept_stocks)
...

...
????????def?__get_stock_info(self,?concept_stock):
????????"""
????????獲取個(gè)股的基本信息
????????:return:
????????"""
????????stock_name?=?concept_stock[0]??#?股票名稱
????????stock_tag?=?concept_stock[1]??#?股票編號(hào)
????????url?=?self.stock_home.format(stock_tag)

????????#?編碼問題
????????headers?=?{'User-Agent':?UserAgent().random}
????????resp?=?self.session.get(self.stock_url.format(stock_tag,?self.__get_time()),
????????????????????????????????headers=headers).text.replace('\n',?'')
????????#?解析關(guān)鍵數(shù)據(jù)
????????resp_data?=?json.loads(re.findall(r'^.*HqData:(.*)};$',?resp,?re.IGNORECASE)[0])[0]
????????#?print(resp_data)
????????#?獲取股票關(guān)鍵信息
????????stock_price?=?resp_data[11]??#?實(shí)時(shí)價(jià)格
????????#?print(stock_price)
????????#?獲取漲跌
????????stock_up_or_down?=?str(resp_data[19])?+?"%"??#?漲跌幅
????????# print("漲跌幅：", stock_up_or_down)
????????stock_num_ratio?=?resp_data[22]??#?量比
????????#?print(stock_num_ratio)
????????stock_change_ratio?=?str(resp_data[24])?+?"%"??#?換手率
????????#?print(stock_change_ratio)
????????stock_pe?=?resp_data[-1]??#?市盈率
????????#?print(stock_pe)

????????return?{
????????????"name":?stock_name,
????????????"no":?stock_tag,
????????????"url":?url,
????????????"price":?stock_price,
????????????"up_or_down":?stock_up_or_down,
????????????"num_ratio":?stock_num_ratio,
????????????"change_ratio":?stock_change_ratio,
????????????"pe":?stock_pe
????????}
...

...
??#?4、按照市盈利排序(升序)
??stocks.sort(key=lambda?x:?x["pe"])

??#?5、打印
??print(json.dumps(stocks))
...