大家直接看代码吧
import time
import requests
from bs4 import BeautifulSoup
def fetch_data(url,bureau,desc,fd):
try:
s = requests.get(url)
except Excepion as e:
print('request url fail. '+url)
return
b = BeautifulSoup(s.content,'html.parser')
datas = b.select('table table tr')
if len(datas) <=