爬取今日头条图片，可以输入页数

import requests,re

import json

from urllib import request

import os

url='https://www.toutiao.com/search_content/?offset={}&format=json&keyword=%E8%A1%97%E6%8B%8D&autoload=true&count=20&cur_tab=1&from=search_tab'

headers={

'user-agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.62 Safari/537.36',

}

for i in range(3):

url='https://www.toutiao.com/search_content/?offset={}&format=json&keyword=%E8%A1%97%E6%8B%8D&autoload=true&count=20&cur_tab=1&from=search_tab'.format(20*i)

response=requests.get(url,headers=headers)

res=response.json()

data_list=res['data']

# 新建文件夹

if not os.path.exists('download') :

os.mkdir('download')

for data_item in data_list:

if 'article_url' in data_item:

article_url=data_item['article_url']

# print(article_url)

response=requests.get(article_url,headers=headers)

res_html=response.text

# print(res_html)

res_zhengze=r'gallery: JSON.parse((.*)),'

pattern=re.search(res_zhengze, res_html)

if pattern:

res_2=json.loads( pattern.group(1))

res_3=json.loads(res_2)

else:

continue

for res_4 in res_3['sub_images']:

res_5=res_4['url']

print(res_5)

filename='download/' + res_5.split('/')[-1] + '.jpg'

# 下载图片

request.urlretrieve(res_5, filename)