淘淘购物系统 （Python）

#首页def tao_first():    t1 = '欢迎进入淘淘购物'.center(110)    print(t1)    print('~' * 130)    t2 = '注册'.center(20)    print(t2,end='\t')    t3 = '登陆'.center(65)    print(t3,end='\t')    t4 = '退出'.center(45)    print(t4,end='\t')    print()    print('~' * 130)    ##购物车首页def tao_second():    second0 = '|| 购物车 ||'.center(125)    print(second0)    print()    print('=' * 130)    print('商品名称',end='\t')    print('价格',end='\t')    print('数量',end='\t')    print('\n')    for i in sprice:        print(i)    print('-' * 130)    print('提交订单'.center(20),end='\t')    print('删除订单'.center(65),end='\t')    print('添加订单'.center(45),end='\t')    print('\n')    print('查看订单'.center(20),end='\t')    print('继续购物'.center(65),end='\t')    print('退出系统'.center(45),end='\t')    print('\n')    print('=' * 130)

#登陆shop_name = ''def login():    l0 = '|| 登陆 ||'.center(115)    print(l0)    i = 3    while i > 0:        username = input('please input the username :')        password = input('please input the password : ')        if username in lisl[0::2] and password in lisl[1::2] :            wage.append(username)            wage.append(0)            shop_name = username            break        else:             i -= 1             print('验证失败，请再次尝试，您还有'+str(i)+'次机会')             continue#注册def enter():    while 1:        e0 = '|| 注册 ||'.center(115)        print(e0)        e1 = input('请输入用户名：')        e2 = input('请输入密码：')        e3 = input('请再次确认密码:')        if e3 == e2 and e1 not in lisl:            print('恭喜你注册成功,快去登陆吧...')            lisl.append(e1)            lisl.append(e3)            break        if e3 != e2 :            print('对不起你输入的密码两次不一致，请重新注册')            continue        if e1 in lisl:            print('对不起你输入的账户信息已存在，请重新注册')            continue#工资def staff_wage():    """    wage = [uername : wage]    shop_name = uername    :return:    """    while 1:        if wage[1] < money:            print(wage[0] + '的工资是' + str(wage[1]) + '人民币，不足以支付订单...')            print('|| 支付 ||'.center(115))            print('=' * 130)            print('充值金钱'.center(20),end='\t')            print('查看余额'.center(65),end='\t')            print('放弃支付'.center(45),end='\t')            print('\n')            print('=' * 130)            shop_k = input('请输入你要选择的功能<<<')            if shop_k == '充值金钱':                age = input('请输入你要充值的金钱<<<')                wage[1] = wage[1] + int(age)                print('恭喜你，充值成功！')            if shop_k == '查看余额':                print(wage[0] + '的余额是' + str(wage[1]) + '人民币')            if shop_k == '放弃支付':                break        if wage[1] > money :            wage[1] = wage[1] - money            print('订单提交成功！'+wage[0]+',您的余额还有'+str(wage[1])+'人民币')            sprice.clear()            break

#列表信息lisl = ['deng','123','taibai','123456','alex','2019','Jing','2017']sprice = []#遍历商品mess = []  # 列表，存上一级菜单def message():    # 商品信息    shopping = {        '首页': {'天猫新品': {            'marmot保暖鹅绒':2219,            '丝飘本色卷纸':9,            'marmot男士长袖':229        }, '今日爆款': {            '拉菲珍藏波尔多6支':359,            '美心流心奶黄月饼礼盒':348,            '乳酸菌饮品340ml*12瓶整箱':16        }, '天猫超市': {            '蓝月亮洁净洗衣液':9,            '好想你免洗灰枣':9,            '友臣福建特产肉松饼':29        }, '飞猪旅行': {            '哈尔滨接机服务':30,            '芽庄泥浆浴一日游':58,            '张家界大峡谷门票':208        }        },

        '母婴': {'毛绒玩具': {            '冰丝抱枕北极熊':268,            '猫咪陪你睡觉抱枕':69,            '可爱仓鼠小老鼠睡觉抱枕':29        }, '儿童运动鞋': {            'NIKE':1000,            'Adidas':800,            '乔丹':100        }, '益智玩具': {            '魔方':30,            '变形金刚':200,            '探索者':30000        }        },

        '百货': {'低价清仓': {        }, '水杯': {            '马克杯':18,            '玻璃杯':5,            '保温杯':60        }, '拖鞋': {            '夏季拖鞋':20,            '冬季拖鞋':50        }, '颈枕': {            'u型枕':79,            '记忆枕':245        }        },

        '运动': {'跑鞋': {            'NIKE': 1000,            'Adidas': 800,            '乔丹': 100        }, '自行车': {            '凤凰自行车':700,            '上海永久':500        }, '球鞋': {            'NIKE': 1000,            'Adidas': 800,            '乔丹': 100        }        }

    }    while 1 :        print('商品信息'.center(110))        print('~' * 130)        for i in shopping:            print(i.center(110))        print('~' * 130)        choice = input('请输入你要访问的商品')        if choice in shopping:            if type(shopping[choice]) is int :                print('是否购买该商品，如果购买输入Y，否则输入b返回上一级菜单')                pp1 = input('<<<')                if pp1.upper() == 'Y':                    for tom in range(len(sprice)):                        if choice in sprice[tom][0]:                            sprice[tom][2] = sprice[tom][2] + 1                            break                    # 每一次的信息变成列表形式                    space = []                    space.append(choice)                    space.append(shopping[choice])                    space.append(1)                    sprice.append(space)                    print('购买成功，已添加购物车！')                    while len(sprice) > 1 :                        if sprice[-1][0] in sprice[0:-1][0]:                            del sprice[-1]                        else:                            break            else:                mess.append(shopping)                shopping = shopping[choice]        if choice == 'e':            break        if choice == 'b':            shopping = mess[-1]            del mess[-1]

#main0方法    #购物模块def main0 ():    while 1:        tao_first()        t5 = input('你输入你要选择的功能<<<')        if t5 == '注册':            enter()        elif t5 == '登陆':            login()            break        elif t5 == '退出':            exit()    message()

money = 0  # 金钱【账单总值】wage = []   #工资#main1方法def main1():    global money    while 1:        tao_second()        ma1 = input('你选择服务<<<')        if ma1== '提交订单':            for i in range(len(sprice)):                money = sprice[i][1] * sprice[i][2]            second2 = '|| 购物车订单 ||'.center(125)            print(second2)            print()            print('=' * 130)            print('商品名称', end='\t')            print('价格', end='\t')            print('数量', end='\t')            print('\n')            for i in sprice:                print(i)            print('-' * 130)            print('您本次需要支付'+str(money)+'人民币')            staff_wage()        

if ma1 == '删除订单':            add_mal2 = input('请输入你要删除的商品名称:')            add_mal3 = input('请输入你要删除该商品名称的个数:')            for tom in range(len(sprice)):                if add_mal2 in sprice[tom][0]:                    if int(add_mal3) >=  sprice[tom][2] :                        del sprice[tom]                    else:                        sprice[tom][2] = sprice[tom][2] - int(add_mal3)        if ma1 == '添加订单':            add_mal0 = input('请输入你要添加的商品名称:')            add_mal1 = input('请输入你要添加该商品名称的个数:')            for tom in range(len(sprice)):                if add_mal0 in sprice[tom][0]:                    sprice[tom][2] = sprice[tom][2] + int(add_mal1)            print('订单添加成功！')        if ma1 == '查看订单':            second1 = '|| 购物车订单 ||'.center(125)            print(second1)            print()            print('=' * 130)            print('商品名称', end='\t')            print('价格', end='\t')            print('数量', end='\t')            print('\n')            for i in sprice:                print(i)            print('-' * 130)        if ma1 == '继续购物':            message()        

if ma1 == '退出系统':            exit()

#main方法def main():    main0()    main1()main()