对于之前小程序的优化,解决文件没有需要新

https://www.cnblogs.com/pythonywy/p/10957368.html之前的函数没有自动新建文件功能必须有有文件才能正常运行

练手:加了注册时候密码两次必须选题,文件没有回自动创建,

关于open with中r模式不会建文件,我们只要a+然后再把指针移至开头再read,这样就能读,也不会w模式清空文件

total_prices = 0

def chiose(action):
    '''0是注册功能,1是会员卡系统,2是购物功能,3是会员查找积分功能,4为会员积分兑换功能'''
    #注册功能
    if action == 0:
        # 注册内容
        def register():
            while True:
                print('注册账号'.center(50, "-"))
                name = input('请输入账号').strip()
                print('注册密码'.center(50, "-"))
                pwd = input('请输入密码').strip()
                pwd_next = input('请再一次输入入密码').strip()
                with open('用户注册信息.txt', 'a+', encoding='utf8') as fw:
                    fw.seek(0)
                    data = fw.read()
                if name in data :
                    print('已有账号')
                    continue
                else:
                    if pwd == pwd_next:
                        print('注册成功')
                        with open('用户注册信息.txt', 'a', encoding='utf8') as fw:
                            fw.write(f'{name}:{pwd}|')
                        break
                    else:
                        print('两次输入密码不同')
            print(50*'-')
        return register

    # 会员卡功能,100块钱1分
    # 其中加个必须结合shoping进行
    #小于10分是普通会员9折优惠
    #大于等于10分是黄金会员8.5折优惠
    # 大于等于100分是至尊会员打8折
    if action == 1:
        def member():
            choise = input('有会员输入1\n'
                           '没会员输入其他\n'
                           '最终解释权归杨文益所有')
            count = 0
            if choise == '1':
                while count == 0:
                    info_dict = dict()
                    member_dict = dict()
                    new_member_dict = dict()
                    print('登入账号'.center(50, "-"))
                    name = input('请输入账号(真的想不起来了,输入我忘了密码随意退出)\n').strip()
                    print('登入密码'.center(50, "-"))
                    pwd = input('请输入密码').strip()

                    with open('用户注册信息.txt', 'a+', encoding='utf8') as fr:
                        fr.seek(0)
                        info = fr.read()
                    if info == '':
                        print('没有注册请先注册')
                        return
                    info_list = info.split('|')
                    for info in info_list[:-1]:
                        info = info.split(':')
                        info_name = info[0]
                        info_pwd = info[1]
                        info_dict[info_name] = info_pwd
                    if name == '我忘了':
                        print(50 * '-')
                        count = 1
                    elif name not in info_dict:
                        print('会员账号错误')
                        continue
                    elif pwd != info_dict.get(name):
                        print('密码错误')
                        continue
                    else:
                        print('会员成功')
                        count = 1
                        # 写入会员名字加积分

                        with open('会员积分.txt', 'a', encoding='utf8')  as fw,\
                            open('会员积分剩余积分.txt', 'a', encoding='utf8')  as fw_1:
                            fw.write(f'{name}:{total_prices / 100}|')
                            fw_1.write(f'{name}:{total_prices / 100}|')
                        # 读写会员总积分
                        with open('会员积分.txt', 'r', encoding='utf8') as fw:
                            member = fw.read()
                        member_list = member.split('|')
                        for member in member_list[:-1]:
                            member = member.split(':')
                            member_name = member[0]
                            member_integral = float(member[1])
                            if member_name not in member_dict:
                                member_dict[member_name] = member_integral
                            else:
                                member_dict[member_name] += member_integral

                        # 读写会员剩余积分
                        with open('会员积分剩余积分.txt', 'r', encoding='utf8') as fw:
                            new_member = fw.read()
                        new_member_list = new_member.split('|')
                        for new_member in new_member_list[:-1]:
                            new_member = new_member.split(':')
                            new_member_name = new_member[0]
                            new_member_integral = float(new_member[1])
                            if new_member_name not in new_member_dict:
                                new_member_dict[new_member_name] = new_member_integral
                            else:
                                new_member_dict[new_member_name] += new_member_integral

                        # 打印积分
                        print(50 * '-')
                        print(f'你好{name}')
                        print(f'您当前的积分{member_dict.get(name)}分')
                        integral = member_dict.get(name)
                        if integral < 10:
                            print(50 * '-')
                            print('您是我们超市的普通会员可以享受9折优惠')
                            print(50 * '-')
                            print(f'你本次购买总计:{total_prices}')
                            print(f'会员折扣后为{0.9*total_prices}')
                            print(50 * '-')
                            print(f'请到前台支付{0.9 * total_prices}')
                            print(50 * '-')
                            print('欢迎下次光临'.center(44,"-"))
                        elif integral < 100:
                            print(50 * '-')
                            print('您是我们超市的黄金会员可以享受8.5折优惠')
                            print(50 * '-')
                            print(f'你本次购买总计:{total_prices}')
                            print(f'会员折扣后为{0.85 * total_prices}')
                            print(50 * '-')
                            print(f'请到前台支付{0.85 * total_prices}')
                            print(50 * '-')
                            print('欢迎下次光临'.center(44, "-"))
                        else:
                            print(50 * '-')
                            print('您是我们超市的至尊会员可以享受8折优惠')
                            print(50 * '-')
                            print(f'你本次购买总计:{total_prices}')
                            print(f'会员折扣后为{0.8 * total_prices}')
                            print(50 * '-')
                            print(f'请到前台支付{0.8 * total_prices}')
                            print(50 * '-')
                            print('欢迎下次光临'.center(44, "-"))
                        print(50 * '-')

        return member


    #购物系统
    if action == 2:
        def shopping():
            # 产品成功选择后用judge = 1跳转到继续,结清,清空选择列表
            # 选择产品后继续 jump == '1'跳转,结算用jump == '0' 跳转, 清空继续购买用jump == '2'跳转,清空退出购买用jump == '3'跳转
            # 用 a == '0' 控制继续购买, a =='1'控制退出购买
            commodity_dict = {
                '0': ['cat', 100],
                '1': ['dog', 200],
                '2': ['pig', 300]
            }
            user_dict = dict()
            a = '0'
            print('欢迎来选购'.center(50, "-"))
            while a == '0':
                chiose = input('输入0商品是cat\n'
                               '输入1商品是dog\n'
                               '输入2商品是pig\n'
                               '请选择你要购买的商品:')
                print(50 * '-')
                commodity_info = commodity_dict.get(chiose)
                num = input('请输入你选择商品的数量')
                # 判断输入内容

                if not num.isdigit():
                    print('数量输入有误请重新输入,数量只能输入数字')
                    continue
                if chiose not in commodity_dict:
                    print('无效商品,请在0,1,2中选择输入')
                    continue

                # 整理商品清单
                else:
                    num_int = int(num)
                    if commodity_info[0] not in user_dict:
                        user_dict[commodity_info[0]] = [num_int, num_int * commodity_info[1]]
                        judge = 1  # 跳转选择界面
                        a = '1'

                    else:
                        user_dict[commodity_info[0]][0] += num_int
                        user_dict[commodity_info[0]][1] += num_int * commodity_info[1]
                        judge = 1  # 跳转选择界面
                        a = '1'

                # 打印购买信息
                global total_prices
                total_prices = 0
                print("\n")
                print('杨大爷超市欢迎您'.center(42, '-'))
                print('\n你选择的商品')
                for name, info_list in user_dict.items():
                    print(f'{name}{info_list[0]}个合计{info_list[1]}元\n')
                    total_prices += info_list[1]
                print(50 * '-')
                print(f'        总计{total_prices}元')

                # 功能选择
                while judge == 1:
                    print(50 * '-')
                    jump = input('输入0结算\n'
                                 '输入1继续购买\n'
                                 '输入2清空购物车继续购买\n'
                                 '输入3清空购物车退出\n'
                                 '请输入您的选择').strip()
                    if not jump.isdigit():
                        print('请正确输入0,1,2,3中任意数字')
                        continue
                    if jump == '1':
                        judge = 4  # 跳出功能选择
                        a = '0'  # 继续购买
                    elif jump == '2':
                        user_dict = dict()  # 清空购物车
                        judge = 4  # 跳出功能选择
                        a = '0'  # 继续购买
                    elif jump == '3':
                        user_dict = dict()
                        judge = 4  # 跳出功能选择
                        print("-" * 50)
                        print('欢迎下次光临')
                    elif jump == '0':
                        judge = 4  # 跳出功能选择
                        print("-" * 50)
                        print(f'一共{total_prices}元请到前台支付,如果有会员在下面输入会员信息')
                        print("-" * 50)
                        print('欢迎下次光临')

        return shopping

    #会员积分查询
    if action == 3:
        def menber_integral():
            #生成总积分字典和用户信息字典:
            menber_integral_dict = dict()

            with open('用户注册信息.txt', 'a+', encoding='utf8') as fr_1:
                fr_1.seek(0)
                data = fr_1.read()
            if data == '':
                print('用户未注册请输入0去注册')
                return
            with open('会员积分.txt','a+',encoding='utf8') as fr:
                fr.seek(0)
                info_list = fr.read().split('|')[:-1]
                for info in info_list:
                    info = info.split(':')
                    if info[0] not in menber_integral_dict:
                        menber_integral_dict[info[0]] = float(info[1])
                    else:
                        menber_integral_dict[info[0]] += float(info[1])
            user_menber_integral_dict = dict()
            with open('用户注册信息.txt','a+',encoding='utf8') as fr:
                fr.seek(0)
                user_info_list = fr.read().split('|')[:-1]
                for user_info in user_info_list:
                    user_info = user_info.split(':')
                    user_menber_integral_dict[user_info[0]] = user_info[1]

            # 生成剩余积分字典:

            new_menber_integral_dict = dict()
            with open('会员积分剩余积分.txt', 'a+', encoding='utf8') as fr:
                fr.seek(0)
                new_info_list = fr.read().split('|')[:-1]
                for new_info in new_info_list:
                    new_info = new_info.split(':')
                    if new_info[0] not in new_menber_integral_dict:
                        new_menber_integral_dict[new_info[0]] = float(new_info[1])
                    else:
                        new_menber_integral_dict[new_info[0]] += float(new_info[1])
            while True :
                print('-'*50)
                name = input('请输入你会员卡的名字(退出输入我忘了)').strip()
                if name == '我忘了':
                    print('-' * 50)
                    print('请选择')
                    break
                if not name in user_menber_integral_dict:
                    print('-' * 50)
                    print('会员账号输入错误')
                    print('-' * 50)
                if name in user_menber_integral_dict and menber_integral_dict == dict():
                    print('你的积分为0分')
                    return
                if name in menber_integral_dict:
                    print('-' * 50)
                    print('会员介绍'.center(46,' '))
                    print('积分小于10分为普通会员可以打9折\n'
                          '积分大于10分小于100分为黄金会员可以打8.5折\n'
                          '积分大于100分为黄金会员可以打8折')
                    print('-' * 50)
                    print(f'会员卡账号:{name}')
                    if menber_integral_dict[name] <10:
                        print('您当前会员等级为普通会员\n'
                              '您可以享受9折优惠')
                    elif menber_integral_dict[name] <100:
                        print('您当前会员等级为黄金会员\n'
                              '您可以享受8.5折优惠')
                    else:
                        print('您当前会员等级为至尊会员\n'
                              '您可以享受8折优惠')
                    print(f'当前总积分:{menber_integral_dict[name]}分')
                    print(f'已使用积分:{-new_menber_integral_dict[name] + menber_integral_dict[name]}分')
                    print(f'剩余积分:{new_menber_integral_dict[name]}分')
                    break
        return menber_integral

    #会员积分兑换系统
    if action == 4:
        def gift():
            count = 0
            # 生成剩余积分字典:

            with open('用户注册信息.txt', 'a+', encoding='utf8') as fr_1:
                fr_1.seek(0)
                data = fr_1.read()
            if data == '':
                print('用户未注册')
                return
            new_menber_integral_dict = dict()
            with open('会员积分剩余积分.txt', 'a+', encoding='utf8') as fr:
                fr.seek(0)
                new_info_list = fr.read().split('|')[:-1]
                for new_info in new_info_list:
                    new_info = new_info.split(':')
                    if new_info[0] not in new_menber_integral_dict:
                        new_menber_integral_dict[new_info[0]] = float(new_info[1])
                    else:
                        new_menber_integral_dict[new_info[0]] += float(new_info[1])
            #礼物字典:
            gift_dict = {
                '0':['钢笔',1.0],
                '1':['奥特曼玩偶',2.0],
                '2':['高达',10.0],
                '3':['钢铁侠1比1外套',100.0]
            }
            #账号登入
            #生成账号字典
            user_dict = dict()
            import os
            if not os.path.exists('用户注册信息.txt'):
                with open('用户注册信息.txt', 'x', encoding='utf8') as f:
                    pass
            with open('用户注册信息.txt','r',encoding='utf8') as fr:
                user_info = fr.read()
            user_info_list = user_info.split('|')[:-1]
            for user_pwd in user_info_list:
                user_pwd = user_pwd.split(':')
                user_name = user_pwd[0]
                user_pwd = user_pwd[1]
                user_dict[user_name] = user_pwd  #注册时候用户名肯定不同所以不需要判断

            #开始登入,生成用户信息内容为密码和姓名都是字符串格式
            while count == 0:
                name = input('输入账号名字(输入我忘了退出会员积分兑换)')
                pwd = input('输入账号密码')
                if name =='我忘了':
                    break
                if name not in user_dict:
                    print('账号错误')
                elif pwd != user_dict[name]:
                    print('密码错误')
                else:
                    print('登入成功')

                    #打印他剩余积分以及奖品兑换信息
                    print('-'*50)
                    print('可兑换的奖品'.center(50,' '))
                    print(f"输入0礼品为{gift_dict['0'][0]}需要积分为{gift_dict['0'][1]}分\n"
                          f"输入1礼品为{gift_dict['1'][0]}需要积分为{gift_dict['0'][1]}分\n"
                          f"输入2礼品为{gift_dict['2'][0]}需要积分为{gift_dict['2'][1]}分\n"
                          f"输入3礼品为{gift_dict['3'][0]}需要积分为{gift_dict['3'][1]}分\n"
                          f"退出输入X或者x")
                    # print(gift_dict)
                    # print(new_menber_integral_dict)
                    print('-' * 50)

                    #选择礼物
                    while True:
                        gift_choise = input('请输入你要兑换的礼物').strip()
                        if new_menber_integral_dict == dict():
                            print('你的积分为0分')
                            return
                        elif gift_choise not in gift_dict:
                            print('请在0,1,2,3,X,x中选择输入')
                            continue
                        else:
                            if gift_choise == 'X' or gift_choise == 'x':
                                break
                            if name not in new_menber_integral_dict:
                                print('你的账号没有积分')
                                break
                            if gift_dict[gift_choise][1] > new_menber_integral_dict[name]:
                                print(f'积分不足\n'
                                      f'您的剩余积分:{new_menber_integral_dict[name]}分')
                            else:
                                print(f"恭喜你获得{gift_dict[gift_choise][0]}\n"
                                      f"剩余积分{new_menber_integral_dict[name]-gift_dict[gift_choise][1]}\n")
                                #将内容剩余积分进行统计
                                with open('会员积分剩余积分.txt','a',encoding='utf8') as fw:
                                    fw.write(f'{name}:-{gift_dict[gift_choise][1]}|')
                                count = 1
                                break
        return gift


print("-" * 50)
print('欢迎来到杨大爷超市'.center(30,' '))
print("-" * 50)
x = 0
while x == 0:
    print('-' * 50)
    your_chiose = input('输入0注册会员进入注册功能\n'
                        '输入1黑店我要走了\n'
                        '输入2直接进入购物\n'
                        '输入3会员积分查询\n'
                        '输入4会员积分兑换礼物\n'
                        '请输入:')
    print('-' * 50)
    if your_chiose not in ['0', '2', '1','3','4']:
        print('亲,输入0~4中数字')
        continue
    else:
        if your_chiose == '0':
            chiose(0)()
        elif your_chiose == '2':
            chiose(2)()
            chiose(1)()
        elif your_chiose == '3':
            chiose(3)()
        elif your_chiose == '4':
            chiose(4)()
        else:
            print('拜拜')
            x = 1