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()