python 爬取吉首大学网站成绩单

项目地址：

https://github.com/chen0495/pythonCrawlerForJSU

环境

• python 3.5即以上

• request、BeautifulSoup、numpy、pandas.

• 安装BeautifulSoup使用命令pip install BeautifulSoup4

配置及使用

登陆学校成绩单查询网站,修改cookie.

按F12后按Ctrl+R刷新一下,获取cookie的方法见下图:

修改爬虫url为自己的成绩单网址.

运行src/main.py文件即可在/result下得到csv文件.

结果展示

完整代码

# -*- coding: utf-8 -*-
# @Time    : 5/29/2021 2:13 PM
# @Author  : Chen0495
# @Email   : 1346565673@qq.com|chenweiin612@gmail.com
# @File    : main.py
# @Software: PyCharm
import requests as rq
from bs4 import BeautifulSoup as BS
import numpy as np
import pandas as pd
rq.adapters.DEFAULT_RETRIES = 5
s = 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url
r = 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 = 0
for 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+=1
context = 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')

来源：https://github.com/chen0495/pythonCrawlerForJSU