这个是嵩天 老师的课程示例，但是不行，我换了网址也不行。
上图 ：
上代码：
#CrawUnivRankingA.py 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').contents: if isinstance(tr, bs4.element.Tag): tds = tr('td') ulist.append([tds[0].string, tds[1].string, tds[3].string]) def printUnivList(ulist, num): print("{:^10}\t{:^6}\t{:^10}".format("排名","学校名称","总分")) for i in range(num): u=ulist[i] if (u[i] is not None): print("{:^10}\t{:^6}\t{:^10}".format(u[0],u[1],u[2])) def main(): uinfo = [] url = 'http://www.shanghairanking.cn/rankings/bcur/2020' html = getHTMLText(url) fillUnivList(uinfo, html) printUnivList(uinfo, 20) # 20 univs main()查了好多资料都不行，求大佬帮忙，谢谢，
