app.py

from flask_restful import Api, Resource
from flask import Flask, request, render_template
import requests
class STUDENT:
	
	def __init__(self, num, name):
		self.ver_url = 'http://cache.neea.edu.cn/Imgs.do?c=CET&ik=' + \
			num + '&t=0.8030510069176611'
		self.num = num
		self.name = name
		# 每个准考证应是单独的session
		self.session = requests.Session()
		self.session.headers = {'Referer': 'http://cache.neea.edu.cn/'}
	def get_ver_img(self):
		ver_code = self.session.get(self.ver_url)
		ver_code = ver_code.text[13:-3]
		ver_img = 'http://cet.neea.edu.cn/imgs/' + ver_code + '.png'
		return ver_img

	def get_score(self, DANGCI, v):
		params = {
			'data': '{},{},{}'.format(DANGCI, self.num, self.name),
			'v': v
		}
		try:
			res = self.session.get(
				url='http://cache.neea.edu.cn/cet/query', params=params)
			return res.text
		except Exception as e:
			return str(e)
app = Flask(__name__)
api = Api(app)
stu_list = {}
class SCORE(Resource):
	def get(self):	# 返回验证码, 此时创建对象
		num = request.args.get('num')
		name = request.args.get('name')
		stu_list[num] = STUDENT(num, name)
		print(stu_list)
		stu = stu_list[num]
		ver_img = stu.get_ver_img()
		return {'url': ver_img}

	def post(self):
		data = request.json
		num = data['num']
		name = data['name']
		# dangci = data['dangci']
		dangci = ''
		if num[9] == '1':
  			dangci = 'CET4_{}_DANGCI'.format(num[6:9])
		else:
  			dangci = 'CET6_{}_DANGCI'.format(num[6:9])
		print({"dangci": dangci})
		v = data['v']
		stu = stu_list[num]
		score = stu.get_score(dangci, v)
		del stu	# 释放对象
		del stu_list[num]	# 删除记录

		print(stu_list)
		return score[:-2].replace('result.callback(', '')

# 输入用户名账号-》请求验证码-》创建stu对象-》请求成绩使用已创建好的对象
api.add_resource(SCORE, '/score')


@app.route('/')
def index():
  	return render_template('index.html')
if __name__ == '__main__':
	app.run(debug=False, port=8080, host='0.0.0.0')