AI金融投资：批量下载深交所公募REITs公开说明书

打开深交所公募REITs公开说明书页面，F12查看网络，找到真实地址：https://reits.szse.cn/api/disc/announcement/annList?random=0.3555675437003616

{

"announceCount": 39,

"data": [

{

"id": "80bc99a7-8a04-4803-b42a-d9cca1e6c5d5",

"annId": 1220300147,

"title": "华夏华润商业REIT：华夏华润商业资产封闭式基础设施证券投资基金招募说明书更新",

"content": null,

"publishTime": "2024-06-08 00:00:00",

"attachPath": "/disc/disk03/finalpage/2024-06-08/a77d6a34-c4eb-4dcf-9b16-7c2ce856ebdd.PDF",

"attachFormat": "PDF",

"attachSize": 6265,

"secCode": [

"180601"

],

"secName": [

"华夏华润商业REIT"

],

"bondType": null,

"bigIndustryCode": null,

"bigCategoryId": null,

"smallCategoryId": null,

"channelCode": null,

"_index": "ows_disclosure-20180825"

},

返回的是json数据，PDF地址在这里："/disc/disk03/finalpage/2024-06-08/a77d6a34-c4eb-4dcf-9b16-7c2ce856ebdd.PDF",

打开下载页面，查看网站URL：https://disc.static.szse.cn/disc/disk03/finalpage/2024-06-08/a77d6a34-c4eb-4dcf-9b16-7c2ce856ebdd.PDF

那么，开头要添加的是“https://disc.static.szse.cn”

在deepseek中输入提示词：

你是一个Python编程专家，写一个Python脚本，具体步骤如下：

请求网址:

https://reits.szse.cn/api/disc/announcement/annList?random=0.3555675437003616

请求方法:

POST

状态代码:

200 OK

远程地址:

58.251.50.138:443

引荐来源网址政策:

strict-origin-when-cross-origin

请求载荷：

{"seDate":["",""],"channelCode":["reits-xxpl"],"bigCategoryId":["directions"],"pageSize":50,"pageNum":1}

请求标头：

Accept:

application/json, text/javascript, */*; q=0.01

Accept-Encoding:

gzip, deflate, br, zstd

Accept-Language:

zh-CN,zh;q=0.9,en;q=0.8

Connection:

keep-alive

Content-Length:

104

Content-Type:

application/json

Host:

http://reits.szse.cn

Origin:

https://reits.szse.cn

Referer:

https://reits.szse.cn/disclosure/index.html

Sec-Ch-Ua:

"Google Chrome";v="125", "Chromium";v="125", "Not.A/Brand";v="24"

Sec-Ch-Ua-Mobile:

?0

Sec-Ch-Ua-Platform:

"Windows"

Sec-Fetch-Dest:

empty

Sec-Fetch-Mode:

cors

Sec-Fetch-Site:

same-origin

User-Agent:

Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36

X-Request-Type:

ajax

X-Requested-With:

XMLHttpRequest

获取网页返回的响应，这是一个嵌套的json数据；

定位到 "data"键下"title"键对应的值，这是PDF文件的标题；

定位到 "data"键下 "attachPath"键对应的值，这是PDF文件URL，前面加上“https://disc.static.szse.cn”，构成一个完整的PDF下载URL；

下载PDF文件，保存到文件夹：F:\AI自媒体内容\AI炒股\REITs

注意：每一步都要输出信息

PDF文件标题中可能包括一些不符合window系统命名规则的特殊符号，在重命名PDF文件前要先进行处理；

每下一个PDF文件，就随机暂停3-6秒；

源代码：

import requests

import json

import os

import time

import random

import re

# 定义请求URL和请求头

url = "https://reits.szse.cn/api/disc/announcement/annList?random=0.3555675437003616"

headers = {

"Accept": "application/json, text/javascript, */*; q=0.01",

"Accept-Encoding": "gzip, deflate, br, zstd",

"Accept-Language": "zh-CN,zh;q=0.9,en;q=0.8",

"Connection": "keep-alive",

"Content-Type": "application/json",

"Host": "http://reits.szse.cn",

"Origin": "https://reits.szse.cn",

"Referer": "https://reits.szse.cn/disclosure/index.html",

"Sec-Ch-Ua": '"Google Chrome";v="125", "Chromium";v="125", "Not.A/Brand";v="24"',

"Sec-Ch-Ua-Mobile": "?0",

"Sec-Ch-Ua-Platform": '"Windows"',

"Sec-Fetch-Dest": "empty",

"Sec-Fetch-Mode": "cors",

"Sec-Fetch-Site": "same-origin",

"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36",

"X-Request-Type": "ajax",

"X-Requested-With": "XMLHttpRequest"

}

# 定义请求载荷

payload = {

"seDate": ["", ""],

"channelCode": ["reits-xxpl"],

"bigCategoryId": ["directions"],

"pageSize": 50,

"pageNum": 1

}

# 发送POST请求

response = requests.post(url, headers=headers, json=payload)

# 检查响应状态码

if response.status_code == 200:

print("请求成功，状态码: 200 OK")

else:

print(f"请求失败，状态码: {response.status_code}")

exit()

# 解析JSON响应

data = response.json()

# 检查是否有数据

if "data" in data and isinstance(data["data"], list):

for item in data["data"]:

# 获取PDF标题

pdf_title = item.get("title", "unknown_title")

print(f"PDF标题: {pdf_title}")

# 获取PDF URL

pdf_url = item.get("attachPath", "")

if pdf_url:

pdf_url = "https://disc.static.szse.cn" + pdf_url

print(f"PDF URL: {pdf_url}")

# 处理PDF标题中的非法字符

pdf_title = re.sub(r'[<>:"/\\|?*]', '_', pdf_title)

# 定义保存路径

save_path = f"F:\\AI自媒体内容\\AI炒股\\REITs\\{pdf_title}.pdf"

# 下载PDF文件

pdf_response = requests.get(pdf_url)

if pdf_response.status_code == 200:

with open(save_path, 'wb') as f:

f.write(pdf_response.content)

print(f"PDF文件已保存到: {save_path}")

else:

print(f"下载PDF文件失败，状态码: {pdf_response.status_code}")

# 随机暂停3-6秒

time.sleep(random.uniform(3, 6))

else:

print("没有找到数据")