1 # -*- coding: utf-8 -*-
  2 # @Time    : 2018/12/23 13:46
  3 # @Author  : Endless-cloud
  4 # @Site    : 
  5 # @File    : 重寫購物車專案.py
  6 # @Software: PyCharm
  7 '''
  8 0 首先宣告在任何地方輸入q 或者Q 退出系統
  9 1 首先讀取資料夾中的賬號密碼  Y 繼續, N 繼續輸入賬號密碼
 10 2 讓使用者判斷查詢消費記錄 輸入C 或者c ,  Y 2.1  ,N 3
 11     2.1  列印消費,餘額
 
 12 3 列印餘額,讓使用者判斷是否輸入 金額 ,Y 繼續  , N 繼續
 13     3.1 餘額充值  ,提示充值成功 ,繼續4
 14 4 列印系統商品列表
 15 5 讓使用者輸入 想要選擇的商品編號 (擴充套件.商品名稱)
 16 6 列印使用者購買的商品名字 ,以及賬戶餘額
 17 7 詢問客戶是否繼續購買商品  Y  , N
 18     7.1  走流程4  ,5 , 6
 19     7.2 走流程 0
 20 8 如果推出系統打印出客戶已經購買的所有物品 , 以及餘下金額
 21 #  所有餘額,商品內容用特殊字標註
 22 '''
 23 """
 

 24 準備 :
 25         描述             函式名稱
 26 1      儲存基礎屬性       __init__    
 27 
 28         描述              名稱           型別
 29 1   已經購買的商品列表   shop_listshop    list
 30 2   儲存使用者的賬號密碼   popmsg           dict                 
 31 3   儲存使用者的餘額      ymoney            str->int 
 32 """
 33
 
 
 34 
 35 class shop(object):
 36     def __init__(self):
 37         self.shop_listshop = []
 38         self.popmsg = {  # 待升級用讀取txt
 39             'wzh': '123'
 40         }
 41         self.ymoney = ''
 42         self.goodgifts = [
 43             {"name": "電腦", "price": 1999},
 44             {"name": "滑鼠", "price": 10},
 45             {"name": "遊艇", "price": 20},
 46             {"name": "美女", "price": 998},
 47         ]
 48         self.msg =''
 49 
 50     # 如果使用者輸入q 那麼 退出系統
 51     def close(self, char):
 52         if char.upper() == 'Q':
 53             self.save()
 54             quit()
 55 
 56     # 登入, 有3次判斷機會,如果用完了退出系統
 57     def login(self):
 58         count = 3
 59         while 0 < count:
 60 
 61             username = input('請輸入username')
 62             password = input('請輸入password')
 63             with open('login.txt', 'r', encoding='utf-8') as f:
 64                 l = f.readlines()  # readlines返回list
 65                 neirong = eval(l[0])
 66 
 67                 if neirong.get(username) == password:  # 利用字典的get()獲取password判斷
 68                     print('歡迎進入購物系統')
 69                     break
 70 
 71                 elif neirong.get(username) != password:
 72                     count = count - 1
 73                     print('你還有%s次機會' % (count))
 74         else:
 75             print('機會用完')
 76             exit()
 77 
 78     # 開啟money.txt ,讀取第一行 ,利用readline() 獲取內容(str). 在str 型別轉換int型別,然後返回salay
 79     def money(self):
 80         with open('money.txt', 'r', encoding='utf-8') as f:
 81             salay = int(f.readline())
 82         return salay
 83 
 84     # 根據使用者的金額進行判斷充值,
 85     def money_chioce(self, salay):
 86         print('你當前的餘額為' + str(salay) + '元')
 87 
 88         chongzhi = input('是否充值1鍵 ,或直接消費其他除q,c鍵 ,,輸入q退出,c進入已經購買列表')
 89         if chongzhi == '1':
 90             jine = int(input('請輸入充值金額'))
 91             if jine <= 0:
 92                 endsalay = salay + int(jine)
 93                 salay = salay + int(jine)
 94                 print('最少充值1元')
 95 
 96 
 97             elif jine > 0:
 98                 print('感謝你的充值')
 99                 endsalay = salay + int(jine)
100                 with open('money.txt', 'w', encoding='utf-8') as f:
101                     f.writelines(str(endsalay))
102             print('你當前的餘額為' + str(endsalay))
103             self.close(chongzhi)
104         elif chongzhi=='c':
105             self.look_pay_list()
106             print('當前餘額為%s'%(self.money()))
107         elif chongzhi=='q':
108             self.close(chongzhi)
109 
110     # 讓使用者輸入c ,打印出來列表中的商品
111     def look_pay_list(self):
112         with open('shaop.txt', 'r', encoding='utf-8') as f:
113             print('%s   %s  %s' % ('編號', '名字', '數量'))
114             ll = f.readlines()
115             if len(ll)==0:
116                 print('當前沒有任何內容')
117             else:
118                 s = (eval([i for i in ll][0]) )
119             # print(type(s))
120             # print(type(eval([i for i in ll][0])[0]))
121 
122                 for i, j in enumerate(s):
123                     print(str(i) + '   ' + j['name'] + '  ' + str(j['number']))
124             # print(type(j))
125 
126 
127     #
128     def goods(self):
129         goods = self.goodgifts
130         titie1 = '購物系統'
131         print(titie1.center(50, '*'))
132         print('%s   %s  %s' % ('編號', '名字', '金額'))
133         for i, j in enumerate(goods):
134             print('%s    %s    %s' % (i + 1, j['name'], j['price']))
135     def txt_goods(self):
136         with open('shaop.txt', 'r', encoding='utf-8') as f:
137             self.msg=f.readlines()
138             l =eval(self.msg[0])
139             self.shop_listshop =l
140             # print(type(self.shop_listshop[0]))
141             # print(self.msg)
142             # print(l)
143             # print(type(l[0]))
144 
145     def chiose_goods(self):
146 
147         while True:
148             chiose2 = input('請輸入購買的商品編號')
149             if chiose2 == 'q':
150                 self.close(chiose2)
151             elif chiose2=='c':
152                 self.look_pay_list()
153             elif int(chiose2) in [i + 1 for i, j in enumerate(self.goodgifts)]:
154                 print('你購買的物品是%s ,花了%s' % (self.goodgifts[int(chiose2) - 1]['name'], self.goodgifts[int(chiose2) - 1]['price']))
155                 goots_dic = [self.goodgifts[int(chiose2) - 1]][0]
156                 if self.goodgifts[int(chiose2) - 1]['name'] in [j['name'] for i, j in enumerate(self.shop_listshop)]:
157                     self.shop_listshop[int(chiose2) - 1]['number'] = self.shop_listshop[int(chiose2) - 1]['number'] + 1
158                     print('yes')
159                 else:
160 
161                     self.shop_listshop.append(goots_dic)
162                     self.shop_listshop[int(chiose2) - 1]['number'] = 1
163                     print('no')
164             elif chiose2 not in [i + 1 for i, j in enumerate(self.goodgifts)]:
165                 print('沒有這個商品編號')
166             print(self.shop_listshop)
167 
168     def save(self):
169         with open('shaop.txt', 'w', encoding='utf-8') as f:
170             f.writelines(str(self.shop_listshop))
171         self.look_pay_list()
172 
173 
174 shop = shop()
175 
176 shop.login()
177 
178 l = shop.money()
179 shop.money_chioce(l)
180 shop.goods()
181 shop.chiose_goods()

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