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| import requests
import time
from bs4 import BeautifulSoup
import os
import json
from urllib import parse
print("正在获取验证码......")
session = requests.session()
session.get("http://jwc.swjtu.edu.cn/service/login.html")
r = session.get("http://jwc.swjtu.edu.cn/vatuu/GetRandomNumberToJPEG?test="+str(int(time.time())))
with open("code.jpg", "wb") as f:
f.write(r.content)
os.startfile("code.jpg")
yzm = input("请输入验证码：")
username = input("请输入用户名：")
password = input("请输入密码：")
sendmsg = {
'username': username,
'password': password,
'url': 'http://jwc.swjtu.edu.cn/vatuu/UserExitAction&returnUrl',
'area': '',
'ranstring': yzm,
}
login_header = {
'Referer': 'http://jwc.swjtu.edu.cn/service/login.html',
'Origin': 'http://jwc.swjtu.edu.cn',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36',
'DNT': '1',
'Accept': 'application/json, text/javascript, */*; q=0.01',
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
'X-Requested-With': 'XMLHttpRequest',
}
r = session.post("http://jwc.swjtu.edu.cn/vatuu/UserLoginAction", data=sendmsg, headers=login_header)
json = json.loads(r.text)
print(json['loginMsg'])
sendmsg = {
'url': 'http://jwc.swjtu.edu.cn/vatuu/UserExitAction&returnUrl',
'returnUrl': '',
'loginMsg': json['loginMsg']
}
login_header = {
'Referer': 'http://jwc.swjtu.edu.cn/vatuu/StudentScoreInfoAction?setAction=studentMarkUseProgram',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.131 Safari/537.36',
'DNT': '1',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3',
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
'Upgrade-Insecure-Requests': '1',
'Accept-Encoding': 'deflate',
'Accept-Language': 'zh-CN,zh;q=0.9'
}
r = session.post("http://jwc.swjtu.edu.cn/vatuu/UserLoadingAction", data=sendmsg, headers=login_header)
if '系统正在准备中，请稍候' in r.text:
print('成功登陆！')
r = session.get('http://jwc.swjtu.edu.cn/vatuu/StudentTeachResourceAction?setAction=teachCourse')
soup = BeautifulSoup(r.text, "lxml")
for i in soup.find_all('a', "btn btn-mini btn-blue"):
url = str(i.get('href'))
url = url.replace('..', 'http://jwc.swjtu.edu.cn')
result = parse.urlparse(url)
query_dict = parse.parse_qs(result.query)
courseName = query_dict['courseName'][0]
try:
os.makedirs(courseName)
except:
print('%s 课程文件夹已存在，跳过该课程...'%courseName)
continue
r = session.get(url)
text = r.text.replace('\n', '')
text = text.replace('\r', '')
tmp = BeautifulSoup(text, "lxml")
for k in tmp.find_all('a', string="查看"):
c_time = k.parent.previous_sibling.previous_sibling.string
teacher = k.parent.previous_sibling.previous_sibling.previous_sibling.previous_sibling.string
url = str(k.get('href'))
url = url.replace('..', 'http://jwc.swjtu.edu.cn')
r = session.get(url)
temp = BeautifulSoup(r.text, "lxml")
tag = temp.find('a', string="点击下载")
url = str(tag.get('href'))
url = url.replace('..', 'http://jwc.swjtu.edu.cn')
name_tag = temp.find('td', style="color: #0EA33F")
name = name_tag.string
print('开始下载：%s-%s-%s'%(courseName, teacher, name))
wj = session.get(url)
name = str(name).replace('\\', '-')
name = str(name).replace('..', '-')
with open("%s\\%s-%s-%s"%(courseName, teacher, c_time, name), "wb") as f:
print('下载完成：%s-%s-%s' % (courseName, teacher, name))
f.write(wj.content)
|
