Python批量获取基金数据的方法步骤

20年初准备投资基金，想爬取基金的业绩数据。

20年基金迎来了爆发式增长，现把代码开源以供参考。

本代码只能实现初步汇总，输出csv文件来保存基金的单位&累计净值，后期仍需要结合统计方法来筛选优质基金。

参考了网上的部分代码，实在不记得出处了，侵删。

import requests
import time
import execjs
start = time.perf_counter()

# 获取所有基金编号
def getAllCode():
  url = \'http://fund.eastmoney.com/js/fundcode_search.js\'
  content = requests.get(url)
  jsContent = execjs.compile(content.text)
  rawData = jsContent.eval(\'r\')
  allCode = []
  for code in rawData:
    allCode.append(code[0])
  return allCode

allCode = getAllCode()
del allCode[100:len(allCode)]
# print(len(allCode))

# 获取基金编号为fscode的所有信息
def getUrl(fscode):
  head = \'http://fund.eastmoney.com/pingzhongdata/\'
  tail = \'.js?v=\' + time.strftime(\"%Y%m%d%H%M%S\", time.localtime())
  return head + fscode + tail

# 获取净值
def getWorth(fscode):
  content = requests.get(getUrl(fscode))
  jsContent = execjs.compile(content.text)

  name = jsContent.eval(\'fS_name\')
  code = jsContent.eval(\'fS_code\')
  # 单位净值走势
  netWorthTrend = jsContent.eval(\'Data_netWorthTrend\')
  # 累计净值走势
  ACWorthTrend = jsContent.eval(\'Data_ACWorthTrend\')
  # 近一年收益率
  Profit_12month = jsContent.eval(\'syl_1n\')

  netWorth = []
  ACWorth = []

  for dayWorth in netWorthTrend[::-1]:
    netWorth.append(dayWorth[\'y\'])

  for dayACWorth in ACWorthTrend[::-1]:
    ACWorth.append(dayACWorth[1])
  print(name, code)
  return netWorth, ACWorth

netWorthFile = open(\'./netWorth.csv\', \'w\')
ACWorthFile = open(\'./ACWorth.csv\', \'w\')

for code in allCode:
  try:
    netWorth, ACWorth = getWorth(code)
  except:
    continue
  if len(netWorth) <= 0 or len(ACWorth) < 0:
    # print(code + \" empty data\")
    continue
  netWorthFile.write(\"\\\'\" + code + \"\\\',\")
  netWorthFile.write(\",\".join(list(map(str, netWorth))))
  netWorthFile.write(\"\\n\")

  ACWorthFile.write(\"\\\'\" + code + \"\\\',\")
  ACWorthFile.write(\",\".join(list(map(str, ACWorth))))
  ACWorthFile.write(\"\\n\")
  # print(\"write \" + code + \" success.\")

netWorthFile.close()
ACWorthFile.close()
end = time.perf_counter()
print(\'Running time: %s seconds\' %(end-start))

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