代码

def parseBaidu(keyword, pagenum):    keywordsBaseURL = 'https://www.baidu.com/s?wd=' + str(quote(keyword)) + '&oq=' + str(quote(keyword)) + '&ie=utf-8' + '&pn='    pnum = 0    while pnum <= int(pagenum):        baseURL = keywordsBaseURL + str(pnum*10)        try:            request = requests.get(baseURL, headers=headers)            soup = BeautifulSoup(request.text, "html.parser")            for a in soup.select('div.c-container > h3 > a'):                url = requests.get(a['href'], headers=headers).url                yield url        except:            yield None        finally:            pnum += 1

示例用法

import requestsfrom bs4 import BeautifulSoupheaders = {    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0"}def parseBaidu(keyword, pagenum)def main():    for url in parseBaidu("keyword",10):        if url:            print(url)        else:            continue