基于Python实现的北科新版教务管理系统源码+项目说明(含成绩查询+爬虫).zip

import datetime import os import sys import requests from PIL import Image # 导入PIL库 from urllib import parse from lxml import etree from re import search from io import BytesIO class JwglCrawl: guanwangUrl = "https://sis.ustb.edu.cn" tokenUrl = "https://jwgl.ustb.edu.cn/glht/Logon.do?method=randToken" retUrl = "https://jwgl.ustb.edu.cn/glht/Logon.do?method=weCharLogin" qrcodeUrl = "" termUrl = "https://jwgl.ustb.edu.cn/kscj/cjcx_query" acadProgUrl = "https://jwgl.ustb.edu.cn/pyfa/toxywcqk" # 每学期成绩url grage_url = "https://jwgl.ustb.edu.cn/kscj/cjcx_list" appid = "" rand_token = "" sid = "" Term_data = [] def __init__(self): self.session = requests.session() def getQrCodeUrl(self): api_url = self.guanwangUrl + "/connect/qrpage" return_url = "https://jwgl.ustb.edu.cn/glht/Logon.do?method=weCharLogin" sid_pattern = r'sid = "(.*?)",' token_data = { "method": "randToken" } res = self.session.post(self.tokenUrl, data=token_data) token_json = res.json() qrcode_html_url = api_url + "?appid=" + token_json["appid"] + "&return_url=" + parse.quote( return_url) + "&rand_token=" + token_json["rand_token"] + "&embed_flag=1" res = self.session.get(qrcode_html_url) html = etree.HTML(res.text) self.qrcodeUrl = self.guanwangUrl + html.xpath("//div[@class=\"mains_mb\"]/img/@src")[0] self.sid = search(sid_pattern, res.text).group(1) self.appid = token_json["appid"] self.rand_token = token_json["rand_token"] return True def login(self, show_image=True): if not self.getQrCodeUrl(): print("获取二维码出现问题") return False if show_image: response = self.session.get(self.qrcodeUrl) image = Image.open(BytesIO(response.content)) image.show() # 展示 linkStr = "&" state_url = self.guanwangUrl + "/connect/state" data_sid = { "sid": self.sid } res = self.session.get(state_url, params=data_sid, timeout=60) res_data = res.json() if res_data['state'] == 102: print("微信二维码已扫码") while True: res = self.session.get(state_url, params=data_sid, timeout=60) res_data = res.json() index_url = self.retUrl + linkStr + "appid=" + self.appid + "&auth_code=" + res_data[ "data"] + "&rand_token=" \ + self.rand_token if res_data['state'] == 200: self.session.get(index_url) print("登录成功") break elif res_data['state'] == 101 or res_data['state'] == 102: continue elif res_data['state'] == 103 or res_data['state'] == 104: self.restart() else: print("\n出现异常") return False return True def getCourseList(self): pass def getAcadProg(self): self.parseTable(self.session.get(self.acadProgUrl).text, table_num=2) def getTermCoursesGrade(self): self.getTerm(line_limit=4) choose_term = input("选择学期\n") data = { "kksj": choose_term, "xsfs": "all" } res = self.session.get(self.grage_url, params=data) self.parseTable(res.text) def getTerm(self, line_limit=-1, show_list=True): self.Term_data = self.parseTerm(self.session.get(self.termUrl).text) if show_list == True: self.print2Cmd(self.Term_data, line_limit=line_limit, center_space=15) def getCourseGrade(self, name=""): self.getTerm(show_list=False) if name == "": name = input("课程名称: ") today = datetime.datetime.today() for termList in self.Term_data: if str(today.year) >= str(termList) and str(today.year-4) <= str(termList): data = { "kksj": termList, "xsfs": "all" } res = self.session.get(self.grage_url, params=data) if name in res.text: self.parseTable(res.text, name=name) continue def restart(self): python = os.executable os.execl(python, python, *sys.argv) def parseTable(self, html, table_num=1, name=""): html = etree.HTML(html) item = html.xpath("//table[%d]/tr/th/text()" % table_num) self.print2Cmd(item) for i in range(len(html.xpath("//table[%d]/tr" % table_num)) - 1): # data = [] item = html.xpath(("//table[%d]/tr[{}]/td/text()" % table_num). format(i + 2)) if name == "": self.print2Cmd(item) else: for i in item: if name in str(item): self.print2Cmd(item) return @staticmethod def parseTerm(html): return etree.HTML(html).xpath("//select[@name=\"kksj\"]/option/text()")[1:] @staticmethod def print2Cmd(InfoList, line_limit=-1, center_space=10): data = [] output_format_one = "" for i, item_list in enumerate(InfoList): output_format_one = output_format_one + "|{%d:{%d}^%d}|" % (i, len(InfoList), center_space) if line_limit != -1 and i % line_limit == 0: output_format_one = output_format_one + '\n' data.append(item_list.replace("\n", "").replace("\t", "").replace("\r", "")) data.append(" ") print(output_format_one.format(*data)) def printDesc(self): pass @staticmethod def notFinish(): print("功能未完成")