自学教程：python 爬取吉首大学网站成绩单

# -*- coding: utf-8 -*-# @Time    : 5/29/2021 2:13 PM# @Author  : Chen0495# @Email   : 1346565673@qq.com|chenweiin612@gmail.com# @File    : main.py# @Software: PyCharmimport requests as rqfrom bs4 import BeautifulSoup as BSimport numpy as npimport pandas as pdrq.adapters.DEFAULT_RETRIES = 5s = rq.session()s.keep_alive = False # 关闭多余连接header = { # 请更改cookie    'user-agent' : 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4501.0 Safari/537.36 Edg/92.0.891.1',    'cookie' : 'wengine_vpn_ticketwebvpn_jsu_edu_cn=xxxxxxxxxx; show_vpn=1; refresh=1'}# 请更改urlr = rq.get('https://webvpn.jsu.edu.cn/https/xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/jsxsd/kscj/cjcx_list', headers = header, verify=False)soup = BS(r.text,'html.parser')head = []for th in soup.find_all("th"):    head.append(th.text)while '' in head:    head.remove('')head.remove('序号')context = np.array(head)x = []flag = 0for td in soup.find_all("td"):    if flag!=0 and flag%11!=1:        x.append(td.text)    if flag%11==0 and flag!=0:        context = np.row_stack((context,np.array(x)))        x.clear()    flag+=1context = np.delete(context,0,axis=0)data = pd.DataFrame(context,columns=head)print(data)# 生成文件,亲更改文件名data.to_csv('../result/result.csv',encoding='utf-8-sig')