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Python3.7爬虫中国最好大学排名报错：AttributeError: ‘NoneType’ object has no attribute 'children’求解决

#来源#嵩天老师作品

import requests from bs4 import BeautifulSoup import bs4

def getHTMLText(url):

try: r = requests.get(url,timeout=30) r.raise_for_status() r.encoding = r.apparent_encoding return r.text except: return “”

def fillUnivList(ulist,html):

soup = BeautifulSoup(html,‘html.parser’) for tr in soup.find(‘tbody’).children: if isinstance(tr,bs4.element.Tag): tds = tr(‘td’) ulist.append([tds[0].string,tds[1].string,tds[2].string])

def printUnivList(ulist,num):

tplt = “{0:^10}\t{1:{3}10}\t{2:^10}” print(tplt.format(“排名”,“学校名称”,“总分”,chr(12288))) for i in range(num): u = ulist[i] print(tplt.format(u[0],u[1],u[2],chr(12288)))

def main():

uinfo =[] url = ‘http://www.zuihaodaxue.cn/zuihaodaxuepaiming2020.html’ html = getHTMLText(url) fillUnivList(uinfo,html) printUnivList(Uinfo,20) main()

AttributeError: ‘NoneType’ object has no attribute ‘children’

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