网站建设推广销售好做吗,数据库做网站和做软件有什么不一样,品牌建设卓有成效,前端做微网站爬个豆瓣图片#xff0c;记录个小问题#xff0c;发现爬取豆瓣原图的时候拿不到数据#xff0c;返回为空#xff0c;爬小图可以#xff0c;爬其他网站的也都正常#xff0c;最后发现是header中If-Modified-Since这个参数的原因#xff0c;加上了就拿不到数据#xff0c…爬个豆瓣图片记录个小问题发现爬取豆瓣原图的时候拿不到数据返回为空爬小图可以爬其他网站的也都正常最后发现是header中If-Modified-Since这个参数的原因加上了就拿不到数据去掉就行。 import requestsheaders {Accept: text/html,application/xhtmlxml,application/xml;q0.9,image/avif,image/webp,image/apng,*/*;q0.8,application/signed-exchange;vb3;q0.7,Accept-Language: zh-CN,zh;q0.9,ru;q0.8,en;q0.7,zh-TW;q0.6,Cache-Control: max-age0,Connection: keep-alive,# If-Modified-Since: Sun, 03 Nov 2019 04:42:19 GMT,Referer: https://movie.douban.com/celebrity/1010504/photo/2421104812/,Sec-Fetch-Dest: document,Sec-Fetch-Mode: navigate,Sec-Fetch-Site: cross-site,Sec-Fetch-User: ?1,Upgrade-Insecure-Requests: 1,User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36,sec-ch-ua: Chromium;v116, Not)A;Brand;v24, Google Chrome;v116,sec-ch-ua-mobile: ?0,sec-ch-ua-platform: Windows,
}
response requests.get(https://img2.doubanio.com/view/photo/raw/public/p2421104812.jpg, headersheaders)
content response.content
with open(temp.jpg,wb) as f:f.write(content)
