1 #!/usr/bin/python
2 # -*- coding:utf-8 -*-
3 #购物清单写在文件里，用户可以查询历史购买物品，用户有余额
4
5 # ####################################读取文件列表####################################
6 # ###############读取用户信息###############
7 f1 = open('user_info','r')
8 data = f1.read()
9 f1.close()
10
11 user_info_list = []#用户信息列表
12 user_str_list = [i for i in data.split('\n') if i] # 移除data.split()生成的空元素
13 for item in user_str_list:
14 temp = item.split('|')
15 v = {
16 'username': temp[0],
17 'password': temp[1],
18 'times': temp[2],
19 'money':int(temp[3])
20 }
21 user_info_list.append(v)
22 # print(user_info_list)
23 # ####################读取商品列表###########
24 f3 = open('goods_list','r',encoding='utf-8')#需要转为utf-8
25 data = f3.read()
26 f3.close()
27 goods_list = []#商品信息列表
28 goods_str_list = [i for i in data.split('\n') if i] # 移除data.split()生成的空元素
29 for goods_item in goods_str_list:
30 temp = goods_item.split('|')
31 v = {
32 'goods_name': temp[0],
33 'goods_price': temp[1],
34 }
35 goods_list.append(v)
36 # ###################################时间
37 import datetime
38 import time
39 now_time = time.strftime("%Y-%m-%d %X",time.localtime())
40 # print(now_time)
41 # #######################################用户登录##################################
42 message_login = '%s欢迎您，账户余额：%d'#登录成功显示用户基本信息
43 message_totle_price="账单总金额：%d"
44 shopping_price_totle=0
45 shopping_car=[]
46 shopping_list = []
47 history_shopping_list= []
48 history_shopping_str=''
49 p = 1#购物列表初始页码
50 state_login = 3
51 while state_login > 0 :
52 name = input("请输入用户名：")
53 pwd = input("请输入密码：")
54 for item in user_info_list :
55 if name == item['username'] :
56 if int(item['times']) > 0 :
57 if pwd == item['password'] :
58 print(message_login %(name,item['money']))#登录成功展示个人信息
59 #主菜单
60 while True :
61 print("***********************************************")
62 user_chose = input("请选择您要的操作：\n1-购物\n2-查询\n3-退出\n")
63 shopping_state = True
64 if user_chose == '1':
65 # print("**********************************************")
66 while True:
67 print("*******商品列表如下：*******")
68 if shopping_state==False:
69 print("购物清单如下：\n")
70 print(shopping_car)
71 print(message_totle_price %(shopping_price_totle))
72 if shopping_price_totle > int(item['money']):
73 print("余额不足，重新购买")
74 shopping_car.clear() #余额不足重新购买
75 shopping_price_totle = 0
76 shopping_state = True
77 else:
78 print("购买成功")
79 item['money']=int(item['money'])-shopping_price_totle
80 for shopping_car_item in shopping_car:
81 shopping_list.append(shopping_car_item)
82 # ##################################把用户购物记录写入文件##################################
83 shopping_line = ''
84 # i = 1
85 for item5 in shopping_list:
86 shopping_line = '\n'+shopping_line + name + '|' + item5+"| "+now_time
87 # 写入文件
88 f4 = open("dodo_shopping_log", 'a',encoding='utf-8')
89 f4.write(shopping_line)
90 f4.close()
91 ######################写入余额############
92 line = ''
93 i = 1
94 for item2 in user_info_list:
95 if i < user_info_list.__len__():
96 line = line + item2['username'] + '|' + item2['password'] + '|' + str(
97 item2['times']) + '|' + str(item2['money']) + '\n'
98 i = i + 1
99 else:
100 line = line + item2['username'] + '|' + item2['password'] + '|' + str(
101 item2['times']) + "|" + str(item2['money'])
102
103 # 写入文件
104 f2 = open("user_info", 'w')
105 f2.write(line)
106 f2.close()
107 break
108 else:
109 #显示购物列表
110 if len(goods_list)%5 > 0 :
111 totle_page = str(int(len(goods_list) / 5) + 1)
112 else:
113 totle_page = str(int(len(goods_list) / 5) )
114 print("商品名称 " + "|" + " 商品价格 ")
115 print("--------------------------")
116 start = (p - 1) * 5
117 end = p * 5
118 for i in goods_list[start:end]:
119 v = i['goods_name']
120 v1 = v.ljust(9)
121 v1 = v1.replace(' ', ' ')
122 v2 = i['goods_price']
123 # 分页显示
124 print(v1, v2)
125 print(str(p) + '/' + totle_page)# 显示当前页数
126 shopping = input(('请输入您想要购买物品的名称\n没有想要商品继续浏览请按任意键\n结账请按-0：'))
127 if shopping == '0':
128 shopping_state = False
129 else:
130 for items in goods_list:
131 if shopping == items['goods_name'] :
132 shopping_car.append(shopping)
133 shopping_price_totle += int(items['goods_price'])
134 break
135 else:
136 pass
137 p = int(input("请输入页码(请输入整数)："))
138 elif user_chose =='2':
139 # print(history_shopping)
140 #把所有商品拼接成一个字符串
141 # #################读取用户历史购买记录###########
142 f5 = open('dodo_shopping_log', 'r',encoding='utf-8')
143 history_data = f5.read()
144 f5.close()
145
146 history_shopping_list = [] # 用户信息列表
147 history_shopping_str = [i for i in history_data.split('\n') if i] # 移除data.split()生成的空元素
148 for read_history_item in history_shopping_str:
149 temp = read_history_item.split('|')
150 v = {
151 'log_goods': temp[1],
152 'log_time': temp[2],
153 'log_username': temp[0]
154 }
155 history_shopping_list.append(v)
156 # print(history_shopping_list)
157 history_state = input("1-查询所有记录 2-查询历史商品")
158 if history_state == '2':
159 history_goods = input("请输入您要查询的商品：")
160 for item6 in history_shopping_list :
161 # print(item6['log_username'])
162
163 if history_goods == item6['log_goods'] and name==item6['log_username']:
164 # if history_goods in history_data :
165 print("您购买过！")
166 break
167 else:
168 print('您没有买过')
169 else:#查询所有记录
170 for item7 in history_shopping_list:
171 if name==item7['log_username']:
172 print(item7['log_username']+'|'+item7['log_goods']+'|'+item7['log_time'])
173 else:
174 print("欢迎下次再来！再见")
175 break
176 state_login =0
177 item['times']=3
178 state_login = 0
179 break
180
181 else:
182 state_login -= 1
183 if state_login == 0:
184 print("尝试次数超限，登录失败")
185 else:
186 print("输入有误!，请重新输入")
187
188 item['times']=int(item['times'])-1
189 break
190 else:
191 print("用户已被锁定！")
192 state_login = 0
193 break
194 else :
195 state_login -= 1
196 if state_login == 0 :
197 print("尝试次数超限，登录失败")
198 else:
199 print("输入有误，请重新输入")
200 #print(db_list)
201 ########################################变成字符串##############################
202 line =''
203 i = 1
204 for item2 in user_info_list :
205 if i<user_info_list.__len__():
206 line = line+item2['username']+'|'+item2['password']+'|'+str(item2['times'])+'|'+str(item2['money'])+'\n'
207 i=i+1
208 else :
209 line =line+item2['username']+'|'+item2['password']+'|'+str(item2['times'])+"|"+str(item2['money'])
210 # m ="zhi:%r"
211 # print(m %(line))
212 #写入文件
213 f2 = open("user_info",'w')
214 f2.write(line)
215 f2.close()
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