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#_*_ coding:utf-8 _*_
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import os, sys, time
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#-----------------------------------登录验证-------------------------------------------
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if os.path.isfile('user.txt'):
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pass
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else:
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sys.exit("\033[31m没有定义用户文件\033[0m")
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user_li = []
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with open('user.txt') as f1: #提取用户文件，列表化
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for i in f1:
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user = i.strip('\n').split(':')
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user_li.append(user)
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def user_name(): #用户名列表
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user_n = []
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for name in user_li:
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user_n.append(name[0])
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return user_n
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def user_passwd(): #密码列表
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user_pass = []
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for passwd in user_li:
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user_pass.append(passwd[1])
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return user_pass
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def login_code(): #定义登录验证函数
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while True:
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user_na = input('请输入用户名：')
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username = user_na.strip()
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password = input('请输入密码：')
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if username in user_name():
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location = user_name().index(username)
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while int(user_li[location][2]) < 3:
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if password == user_li[location][1]:
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return username
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else:
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location = user_name().index(username)
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user_li.insert(location,[username,user_li[location][1],\
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str(int(user_li[location][2])+1),user_li[location][3]])
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user_li.pop(location+1)
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with open('user.txt','w+') as f1:
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for i in user_li:
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s1 = ':'.join(i)
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f1.write(s1+'\n')
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print ("\033[31m账户名或密码错误\033[0m")
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break
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else:
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print ("\033[31m账户已经锁定,请联系管理员！\033[0m")
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sys.exit(0)
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else:
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print ("\033[31m账户名或密码错误\033[0m")
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#--------------------------------------------------------------------------------------------------------
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def shop_list(): #打印出商品的编码，商品名称，价格
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for m, n in enumerate(trade_dict, 1):
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print('\t%s\t%s\t%s'%(m, n, trade_dict[n]))
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def trade_price(trade_code): #通过输入的编码来找到商品的价格
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for x,y in enumerate(trade_dict, 1):
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if x == trade_code:
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return trade_dict[y]
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def trade_name(trade_code): #通过输入编码来找到商品的名称
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for x, y in enumerate(trade_dict, 1):
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if x == trade_code:
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return y
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def trade_list_num(): #统计字典中的编码，列表化，为后面判断商品编码准备
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trade_n = []
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for m, n in enumerate(trade_dict, 1):
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trade_n.append(m)
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return trade_n
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def result_print(): #格式化打印购买商品的信息
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li1 = []
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for i in trade_bill:
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li2 = []
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for m in i:
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li2.append(str(m))
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li1.append(li2)
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for x in li1:
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s1 = ' '.join(x)
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print(s1+'\n')
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#----------------------------------------------------------------------------------------------------------
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user1_name = login_code() #获取当前登录状态下的用户名
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def continue_yn(): #定义是否返回上一级菜单函数
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while True:
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res_code1 = input("\033[32m'b'(返回上一级),'q'(退出):\033[0m")
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if res_code1 == 'b':
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break
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elif res_code1 == 'q':
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sys.exit('ByeBye')
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else:
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print('\033[31m错误的输入，请重新输入：\033[0m')
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choice_li = ['查看账户余额','充值','查看历史购物信息','开始购物']
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while True:
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for x, y in enumerate(choice_li, 1):
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print(x, y)
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choice = input('\033[32m------>请输入你的选择（编码）：\033[0m')
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if choice == '1':
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for x in user_li:
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if x[0] == user1_name:
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print(x[3])
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continue_yn()
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elif choice == '2':
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charge_num = input('请输入充值金额:')
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for x in user_li:
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if x[0] == user1_name:
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print('余额：',x[3])
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location1 = user_li.index(x)
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user_li.insert(location1, [x[0], x[1], x[2], str(int(x[3]) + int(charge_num))])
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user_li.pop(location1 + 1)
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print('充值后金额：',user_li[location1][3])
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with open('user.txt', 'w+') as f1:
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for i in user_li:
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s1 = ':'.join(i)
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f1.write(s1 + '\n')
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continue_yn()
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elif choice == '3':
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if os.path.isfile(user1_name+'_shopping_history'):
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with open(user1_name+'_shopping_history') as f1:
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for i in f1:
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print(i)
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else:
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print('没有购物的历史记录')
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continue_yn()
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elif choice == '4':
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print('欢迎来到super购物中心'.center(50, '*'))
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break
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else:
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print('\033[31m错误的输入\033[0m')
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if os.path.isfile('menu_info.txt'):
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pass
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else:
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sys.exit("\033[31m没有定义menu_info.txt\033[0m")
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usr_dic = {}
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with open('menu_info.txt') as f1: #从商品文件menu_info账户中取出商品信息，字典化
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for i in f1:
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area_dic = {}
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l1 = i.split(':')
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l2 = l1[1].strip('\n').split(' ')
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d1 = {}
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for i in l2:
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l3 = i.split('|')
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l4 = l3[1].split(';')
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d2 = {}
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for m in l4:
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d3 = {}
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l5 = m.split('*')
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l6 = l5[1].split(',')
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for x in l6:
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l7 = x.split('.')
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d3[l7[0]] = l7[1]
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d2[l5[0]] = d3
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d1[l3[0]] = d2
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usr_dic[l1[0]] = d1
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def lay_mem(dic_name):#打印分级菜单，生成编码列表，为下面判断编码准备
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li_name = []
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for x, y in enumerate(dic_name, 1):
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print(x,y)
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li_name.append(x)
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a = 3
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return li_name
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def input_code():
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code_name = input("\033[32m请输入->'商品编码','b','q'(b:返回上一级 q:退出):\033[0m")
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return code_name
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for x in user_li: #取出salary值，即用户账户余额
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if x[0] == user1_name:
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salary = int(x[3])
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sum_comsume = 0 #消费总额初始化
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trade_bill = []
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while True:
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result1 = lay_mem(usr_dic) #打印商品一级菜单
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city_code = input("\033[32m请输入->'商品编码','q'(q:退出)：\033[0m")
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if city_code in str(result1):
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for m, n in enumerate(usr_dic, 1):
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if m == int(city_code):
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while True:
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result2 = lay_mem(usr_dic[n])
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res_code = input_code()
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if res_code in str(result2):#打印商品二级菜单
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for x,y in enumerate(usr_dic[n],1):
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if res_code == str(x):
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while True:
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result3 = lay_mem(usr_dic[n][y])
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town_code = input_code()
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if town_code in str(result3): #打印商品三级菜单
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for u, v in enumerate(usr_dic[n][y],1):
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if u == int(town_code):
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trade_dict = (usr_dic[n][y][v])
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while True:
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shop_list()
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trade_code = input("\033[32m请输入->'购买商品编码','b'(b:返回上一级):\033[0m")
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if trade_code in str(trade_list_num()): # 判断输入的商品编码是否有误
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price = trade_price(int(trade_code))
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name = trade_name(int(trade_code))
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while True: #判断输入商品数量是否合法，是否为数值型
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trade_nu = input('\033[32m请输入购买商品数量:\033[0m')
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if trade_nu.isdigit():
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trade_num = int(trade_nu)
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break
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else:
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print('\033[31m输入错误请重新输入：\033[0m')
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balance = salary - int(price)*trade_num
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if balance >= 0: # 当余额大于零时才可以购买商品
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s1 = '''\t%s\t%s\t%s \n''' % (
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name, trade_num, int(price)*trade_num)
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sum_comsume = sum_comsume + int(price)*trade_num # (消费的总额)
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salary = salary - int(price)*trade_num # 余额
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# ---------------更新账单，反复购买一件商品会进行自动累加------------------------------------------------
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trade_li = [name, trade_num, int(price)*trade_num]
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code_li = []
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for i in trade_bill:
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code_li.append(i[0])
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if trade_li[0] in code_li: # 判断新输入的商品信息是否已经存在，存在则进行累加
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location = code_li.index(trade_li[0])
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trade_new_li = ([trade_li[0],
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trade_bill[location][1] +
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trade_li[1],
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trade_bill[location][2] +
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trade_li[2]])
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trade_bill.append(trade_new_li)
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trade_bill.pop(location)
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else: # 如果，不存在，直接追加到购买的商品列表的后面
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trade_bill.append(trade_li)
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while True:
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final_state = input(
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'\033[32m请输入下一步操作--> y/n(Y/N)(是否结算)；c/C (查看购物信息):\033[0m')
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if final_state == 'Y' or final_state == 'y':
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s3 = '%s购物清单'%(user1_name)
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print(s3.center(50, '*'))
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s2 = '''消费总额：%s\t账户余额：%s\t消费时间：%s\t''' % \
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(sum_comsume, salary,
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time.strftime('%Y-%m-%d %H:%M:%S'))
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result_print()
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print('-'.center(50, '-'))
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print(s2)
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#---------把购物历史记录写入以用户名命名的文件----
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with open(user1_name + '_shopping_history',
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'a+') as f3:
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li1 = []
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for i in trade_bill:
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li2 = []
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for m in i:
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li2.append(str(m))
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li1.append(li2)
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for x in li1:
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s1 = ' '.join(x)
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# print(s1 + '\n')
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f3.write(s1+'\n')
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with open(user1_name + '_shopping_history',
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'a+') as f3:
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f3.write(s2+'\n')
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f3.write('-'.center(50,'-')+'\n')
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#--------------在文件中更新用户的余额--------
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for x in user_li:
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if x[0] == user1_name:
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location2 = user_li.index(x)
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user_li.insert(location2,
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[x[0], x[1], x[2], str(salary)])
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user_li.pop(location2 + 1)
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with open('user.txt', 'w+') as f1:
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for i in user_li:
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s1 = ':'.join(i)
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f1.write(s1 + '\n')
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sys.exit(0)
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elif final_state == 'n' or final_state == 'N':
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break
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elif final_state == 'c' or final_state == 'C':
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result_print()
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print('\033[32m消费：%s\t余额：%s\033[0m'%(sum_comsume,salary))
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else:
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print('\033[31m错误的输入请重新输入！\033[0m')
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continue
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else:
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print("\033[31m余额不足，请重新选择商品\033[0m")
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elif trade_code == 'b':
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break
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else:
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print('\033[31m商品编码输入有误，请重新输入\033[0m')
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continue
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elif town_code == 'b':
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break
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elif town_code == 'q':
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sys.exit('\033[32mByeBye\033[0m')
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else:
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print ('\033[31m非法输入，请重新输入！\033[0m')
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elif res_code == 'b':
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break
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elif res_code == 'q':
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sys.exit('\033[32mByeBye\033[0m')
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else:
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print ('\033[31m非法输入，请重新输入！\033[0m')
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elif city_code == 'q':
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sys.exit('\033[32mByeBye\033[0m')
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else:
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print ("\033[31m非法输入，请重新输入！\033[0m")
[yn@localhost@../menu]$cat menu_info.txt
手机数码:热牌手机|iphone*iphone7.5899,iphone6s.3799;OPPO*OPPO-R9s.2799,OPPO-R9.2499 摄影摄像|单反相机*佳能.7299,尼康.2799;摄像机*索尼.2980,乐道.388
潮流女装:热卖品牌|新品连衣裙*伊莲娜冬款.338,范依琪冬款.138;针织开衫*姐弟女装.400,韩都衣舍.194 特色类目|旗袍*华族经典.299,亲晨秋款.216;礼服*创意狐.1288,希洛莎.298
[yn@localhost@../menu]$cat user.txt
yn:yn123:0:50000
alex:123456:0:50000
tom:tom123:0:50000
sky:123:0:50000
[yn@localhost@../menu]$
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