基于Python爬取股票数据过程详解

import requests
url = \'https://xueqiu.com/service/v5/stock/screener/quote/list\'
response = requests.get(url=url, params=params, headers=headers, cookies=cookies)
html_data = response.json()

data_list = html_data[\'data\'][\'list\']
for i in data_list:
  dit = {}
  dit[\'股票代码\'] = i[\'symbol\']
  dit[\'股票名字\'] = i[\'name\']
  dit[\'当前价\'] = i[\'current\']
  dit[\'涨跌额\'] = i[\'chg\']
  dit[\'涨跌幅/%\'] = i[\'percent\']
  dit[\'年初至今/%\'] = i[\'current_year_percent\']
  dit[\'成交量\'] = i[\'volume\']
  dit[\'成交额\'] = i[\'amount\']
  dit[\'换手率/%\'] = i[\'turnover_rate\']
  dit[\'市盈率TTM\'] = i[\'pe_ttm\']
  dit[\'股息率/%\'] = i[\'dividend_yield\']
  dit[\'市值\'] = i[\'market_capital\']
  print(dit)

import csv
f = open(\'股票数据.csv\', mode=\'a\', encoding=\'utf-8-sig\', newline=\'\')
csv_writer = csv.DictWriter(f, fieldnames=[\'股票代码\', \'股票名字\', \'当前价\', \'涨跌额\', \'涨跌幅/%\', \'年初至今/%\', \'成交量\', \'成交额\', \'换手率/%\', \'市盈率TTM\', \'股息率/%\', \'市值\'])
csv_writer.writeheader()
csv_writer.writerow(dit)
f.close()