中小学数学卷子自动生成程序——与Creddit同学的结对编程项目分析

 1 def Validlogin():
 2     global user_id,level
 3     print(‘输入用户名和密码，两者之间用空格隔开‘)
 4     try:
 5         f=open("USER_IDlist.txt","r",encoding="utf-8")
 6         userlist=f.read().split(‘\n‘)
 7         login_flag=False
 8         while True:
 9             user_login=input().split(‘ ‘)
10             while len(user_login)!=2:
11                 user_login=input("请输入正确的用户名、密码：").split(‘ ‘)
12             id=user_login[0]
13             psd=user_login[1]
14             for i in range(len(userlist)):
15                 str=userlist[i].split()
16                 if str[0].lstrip("username：")==id and str[1].lstrip("password：")== psd:
17                     level=str[2].lstrip("level：")
18                     user_id=id
19                     login_flag=True
20             if login_flag:
21                 print("登陆成功！\n当前选择为{}出题".format(level))
22                 break
23             else: print("请输入正确的用户名、密码! ")
24     except Exception as error:
25         print(error)

def response_login():
    try:
        while True:
            global level,num
            str=input(‘准备生成{}数学题目，请输入生成题目数量，大小范围在（含）10-30以内:‘.format(level))
            result = re.match(r‘切换为(.+)‘, str)
            if  str.isdigit() :
                if int(str)<10 or int(str)>30:
                    print("输入范围不符合要求！")
                    continue
                else:
                    num=int(str)
                    break
            elif result:
                if(result.group(1)==‘小学‘ or result.group(1)==‘初中‘ or result.group(1)==‘高中‘):
                    level=result.group(1)
                    print("切换成功！")
                    continue
                else:
                    print("请输入小学，初中，高中三个选项中的一个！")
                    continue
            elif not result:
                try:
                    if int(str)==-1:
                        print("即将重新登陆！")
                        Validlogin()
                    else:print("请输入正确的命令！")
                except:
                    print("请输入正确的命令！")

    except Exception as error:
        print(error)

def paper_generating():
    global level,num
    content = ‘‘
    pre_time = time.strftime("%Y-%m-%d-%H-%M-%S", time.localtime())
    pre_path = os.getcwd()
    targetpath = pre_path + ‘/‘ + user_id+‘/‘+level
    ques_set = set()
    if not os.path.exists(targetpath):
        os.makedirs(targetpath)
    files = os.listdir(targetpath)
    for file in files:
        text_path = targetpath + ‘/‘ + file
        text = open(text_path, ‘r‘,encoding=‘utf-8‘)
        content += text.read()
    for j in range(num):
        question=[]
        operater_num = random.randint(1, 5)
        k = operater_num - 2
        if operater_num < 2:
            k = 0
        bracket_num = random.randint(0, k)
        for i in range(operater_num+1):
            question.append(str(random.randint(MIN_N,MAX_N)))
            question.append(Arithmetic_operator[random.randint(0,3)])
        question.append(str(random.randint(MIN_N,MAX_N)))
        ins=[2*i for i in range(operater_num+1)]
        if level==‘初中‘:
            add_num=random.randint(1,2)
            for i in range(add_num):
                if(random.randint(0,1)==1):
                    question[ins[random.randint(0,operater_num)]] = ps_operator[0] + question[ins[i]]
                else:
                    question[ins[random.randint(0,operater_num)]] =question[ins[i]]+ps_operator[1]
        if level==‘高中‘:
            add_num_1 = random.randint(0, 1)
            add_num_2=random.randint(1,2)
            for i in range(add_num_1):
                if(random.randint(0,1)==1):
                    question[ins[random.randint(0,operater_num)]] = ps_operator[0] + question[ins[i]]
                else:
                    question[ins[random.randint(0,operater_num)]] =question[ins[i]]+ps_operator[1]
            for i in range(add_num_2):
                k=random.randint(0,2)
                question[ins[random.randint(0,operater_num)]] =Trigonometric_operator[k] +"("+ question[ins[i]]+")"
        for i in range(bracket_num):
            question[ins[i]]=‘(‘+question[ins[i]]
            t=random.randint(1,2)
            question[ins[i+t]] = question[ins[i+t]]+‘)‘
        for i in range(len(question)):
            if re.match(r‘\([0-9]+\)‘, question[i]):
                if not (re.match(r‘sin\([0-9]+\)‘, question[i]) or re.match(r‘cos\([0-9]+\)‘, question[i]) or re.match(
                        r‘tan\([0-9]+\)‘, question[i])):
                    question[i] = str(random.randint(1, 100))
        ques = ‘‘.join(question)
        ques_set.add(ques)
        if ques in content or len(ques_set) == j:
            j -= 1
            continue
        f = open(targetpath + ‘/‘ + pre_time + ‘.txt‘, ‘a‘,encoding=‘utf-8‘)
        f.write(‘(‘ + str(j + 1) + ‘) ‘ + ques + " = ?" + ‘\n‘+‘\n‘)
    print("出题成功！",end=‘‘)