看了这个帖子：知乎图片去水印下载
https://www.52pojie.cn/thread-1857439-1-1.html
(出处: 吾爱破解论坛)
原理：F12看了下代码，定位到data-original-token中的数据，用它替换掉其它图片的文件名，然后显示出了原图。
代码如下：
[Python] 纯文本查看 复制代码#!/usr/bin/env python
# _*_ coding: utf-8 _*_
import os
import re
import time
import warnings
import requests
warnings.filterwarnings("ignore")
session = requests.session() # 对全局进行会话实例化
default_headers = {
'authority': 'www.zhihu.com',
'pragma': 'no-cache',
'cache-control': 'no-cache',
'sec-ch-ua': '"Chromium";v="21", " Not;A Brand";v="99"',
'sec-ch-ua-mobile': '?0',
'sec-ch-ua-platform': '"Windows"',
'upgrade-insecure-requests': '1',
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36',
'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
'sec-fetch-site': 'same-origin',
'sec-fetch-mode': 'navigate',
'sec-fetch-user': '?1',
'sec-fetch-dest': 'document',
'referer': 'https://www.zhihu.com/',
'accept-language': 'zh-CN,zh;q=0.9',
}
def get_resp(method, url, headers=default_headers, timeout=5, **kwargs):
for i in range(5): # 最多重试5次
try:
response = session.request(method=method, url=url, headers=headers, timeout=timeout, **kwargs)
if response.status_code == 200:
return response.text
else:
if i == 4:
print('【致命错误】接口状态码' + str(response.status_code) + '异常：' + url)
else:
time.sleep(1)
except:
if i == 4:
print('【致命错误】接口连接异常：' + url)
else:
time.sleep(1)
return None
def downloadFile(fileUrl, folderName, fileSaveName):
folderName = rename(folderName)
fileSaveName = rename(fileSaveName)
if not os.path.exists(folderName):
os.mkdir(folderName)
for i in range(5): # 最多重试5次
try:
resp1 = session.get(url=fileUrl,headers=default_headers)
with open(folderName + "/" + fileSaveName, 'wb') as f:
f.write(resp1.content)
print(fileSaveName)
return
except:
if i == 4:
print('【致命错误】文件下载异常：' + fileUrl)
else:
time.sleep(1)
def fixname(fileName):
pattern = r'[\\/:*?"|\r\n]+' # 过滤Windows文件名中的非法字符
fileName = re.sub(pattern, "_", fileName)
return fileName
def rename(fileName):
fileName = re.sub(r'[\\]+', "＼", fileName)
fileName = re.sub(r'[/]+', "／", fileName)
fileName = re.sub(r'[:]+', "：", fileName)
fileName = re.sub(r'
fileName = re.sub(r'[?]+', "？", fileName)
fileName = re.sub(r'["]+', "＂", fileName)
fileName = re.sub(r'[]+', "＞", fileName)
fileName = re.sub(r'[|]+', "｜", fileName)
fileName = re.sub(r'[\r\n]+', "_", fileName)
return fileName
def main():
while 1 == 1:
urlkey = str(input("请输入知乎链接："))
if urlkey != '':
resp = get_resp('post', urlkey)
list = re.findall(r'data-original-token="(.*?)"', resp)
for i in list:
url = f'https://pic2.zhimg.com/{i}.png'
downloadFile(url, '图片', f'{i}.png')
if __name__ == '__main__':
main()
