BeautifulSoup第一课

from urllib.request import urlopen

from urllib.error import HTTPError

from bs4 import BeautifulSoup

def getTitle(url):

    try:

        html=urlopen(url)

    except HTTPError as e:            #服务器错误

        return none

        obj=BeautifulSoup(html,"html.parser")

        title=obj.body.h1

    except AttributeError as e:        #属性错误

    return title

title=getTitle("                     ")

if title == None:

    print("None Found")