foreword

Hello! Hello everyone, this is the Demon King~

Knowledge points:

requests send request
Use of developer tools
json type data parsing
Use of regular expressions

Module installation:

Press and hold the keyboard win + r, enter cmd and press Enter to open the command line window, enter the pip install module name in it

Development environment:

Version: python 3.8
Editor: pycharm 2021.2

Code

send request
retrieve data
Analytical data
save data

code

It is better for me to delete the URL in the code than to review it. If you want a friend, you can read the comments or privately chat with me to get it~

import requests
import re

# 伪装
headers = {
    
    
    'Cookie': 'qgqp_b_id=7b7cfe791fce1724e930884be192c85e; HAList=a-sz-300059-%u4E1C%u65B9%u8D22%u5BCC%2Cty-100-HSI-%u6052%u751F%u6307%u6570%2Cty-1-000001-%u4E0A%u8BC1%u6307%u6570; em_hq_fls=js; intellpositionL=1522.39px; intellpositionT=3367px; ASP.NET_SessionId=qevhbz22qxoqxpbwclsxzctm; _adsame_fullscreen_16928=1; st_si=42277447983105; st_asi=delete; st_pvi=25714906615245; st_sp=2022-02-08%2022%3A12%3A10; st_inirUrl=https%3A%2F%2Fwww.baidu.com%2Flink; st_sn=2; st_psi=20220407142006395-112200312936-7700776192',
    'Host': 'fund.eastmoney.com',
    'Referer': '',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36',
}
with open('股票.csv', mode='a', encoding='utf-8') as f:
    f.write('基金代码,基金简称,基金英文,日期,单位净值,累计净值,日增长率,近一周,近一个月,近三个月,近六个月,近一年,近两年,近三年,近年来,成立来,上市日期,,,,手续费,,')
    f.write('\n')
# 1. 发送请求
for page in range(1, 214):
    url = f''
    response = requests.get(url=url, headers=headers)
    # <Response [200]>: 请求成功
    # 2. 获取数据
    data = response.text
    # 3. 解析数据
    datas = re.findall('datas:\[(.*)\],', data)[0]
    # eval(): 字符串去除引号  '{}','[]', '字符串' 元组
    data_tuple = eval(datas)
    for tuple_ in data_tuple:
        print(tuple_)
        # 4. 保存数据
        with open('股票.csv', mode='a', encoding='utf-8') as f:
            f.write(tuple_)
            f.write('\n')

insert image description here

video tutorial

Python case combat: collecting network stock data~

epilogue

Well, this article of mine ends here!

If you have more suggestions or questions, feel free to comment or private message me! Let's work hard together (ง •_•)ง

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Python case: shareholder welfare, collecting stock data~