管理部分：

  1 #!/usr/bin/env python  
  2 #-*- coding:utf-8 -*-
  3 
  4 ‘‘‘管理員功能區域‘‘‘
  5 
  6 import os
  7 def acc_info():
  8     """
  9     :return: 返回account_info.txt中以字典形式{
 10     ‘msj‘: ‘123‘, ‘scg‘: ‘123‘, ‘lhy‘: ‘123‘, ‘egon‘: ‘1234‘, ‘flower‘: ‘123‘, ‘fgh‘: ‘123‘, ‘hua‘: ‘123‘}
 11     """
 12
 
     account_info = {}
 13     with open(r‘account_info.txt‘,mode=‘r‘,encoding=‘utf-8‘) as f:
 14         for line in f:
 15             line = line.strip(‘\n‘)
 16             if line != ‘‘:
 17                 u,v = line.split(‘|‘)
 18                 account_info[u] = v
 19     return account_info
 
 20 
 21 def bk_info():
 22     ‘‘‘
 23     錢和信用額度都是浮點數類型
 24     :return: {‘msj‘: {‘pwd‘: ‘123‘, ‘money‘: 4600.0, ‘credit‘: 15000.0}}
 25     ‘‘‘
 26     bank_user ={}
 27     with open(r‘bank_info.txt‘,mode=‘r‘,encoding=‘utf-8‘) as f:
 28         for line in f:
 29             line = line.strip(‘\n‘)
 30             if
 
 line != ‘‘:
 31                 u,p,m,c = line.split(‘|‘)
 32                 bank_user[u]={‘pwd‘:p,‘money‘:float(m),‘credit‘:float(c)}
 33         return bank_user
 34 
 35 def select_type():
 36     while True:
 37         choice = input(‘請輸入你想要輸入的類型 1.shop 2.bank>>:‘).strip()
 38         if choice == ‘1‘:
 39             return ‘shop‘
 40         elif choice == ‘2‘:
 41             return  ‘bank‘
 42         else:
 43             print(‘非法操作‘)
 44             continue
 45 
 46 def is_name():
 47     type = select_type()
 48     if type == ‘shop‘:
 49         user_info = acc_info()
 50     else:
 51         user_info = bk_info()
 52     name = input(‘please input your username(q to exit)>>:‘).strip()
 53     if name  in user_info:
 54         return name,type
 55     else:
 56         return False,name,type
 57 
 58 def input_pwd():
 59     pwd = input(‘請輸入密碼>>:‘).strip()
 60     return pwd
 61 
 62 
 63 def check_userinfo():
 64     type = select_type()
 65     if type == ‘shop‘:
 66         user_info =acc_info()
 67     elif type ==‘bank‘:
 68         user_info = bk_info()
 69     for k,v in user_info.items():
 70         print(‘用戶名%s‘%k,‘信息：%s‘%v)
 71 
 72 
 73 
 74 def add_user():
 75     """
 76     添加賬戶
 77     :param name:
 78     :param pwd:
 79     :param type: 賬戶種類 兩種  account  和  bank
 80     :return:
 81     """
 82     info = is_name()
 83     if False in info:
 84         name = info[1]
 85         type = info[2]
 86     else:
 87         print(‘用戶名已存在‘)
 88         return
 89     pwd = input_pwd()
 90     if type ==‘shop‘:
 91         file = ‘account_info.txt‘
 92         user_info =‘%s|%s\n‘%(name,pwd)
 93     elif type ==‘bank‘:
 94         file = ‘bank_info.txt‘
 95         user_info =‘%s|%s|0|15000\n‘%(name,pwd)
 96     else:
 97         print(‘非法操作2‘)
 98         return
 99     with open(r‘%s‘%file,mode=‘a‘,encoding=‘utf-8‘) as f:
100         f.write(user_info)
101 
102 def alter_credit():
103     ‘‘‘
104     改變賬號中的信用額
105     :param name: 用戶名
106     :param money: int 錢
107     :return:
108     ‘‘‘
109     name =input(‘請輸入用戶名>>:‘).strip()
110     user_info = bk_info()
111     if name not in user_info:
112         print(‘用戶名不存在‘)
113         return
114     money = input(‘請輸入金額>>:‘).strip()
115     if not money.isdigit():
116         print(‘輸入的金額不對‘)
117         return
118     money = float(money)
119     user_info[name][‘credit‘]=user_info[name][‘credit‘]+money
120     # print(user_info[name][‘money‘])
121     with open(r‘bank_info.txt‘,mode=‘w‘,encoding=‘utf-8‘) as f:
122         for k,v in user_info.items():
123             msg = ‘{}|{}|{}|{}\n‘.format(k,v[‘pwd‘],v[‘money‘],v[‘credit‘])
124             f.write(msg)
125 
126 def r_hmd(type):
127     hmd =[]
128     if type ==‘shop‘:
129         file = ‘shop_hmd.txt‘
130     elif type == ‘bank‘:
131         file =‘bank_hmd.txt‘
132     with open(r‘%s‘%file,mode=‘r‘,encoding=‘utf-8‘) as f:
133         for i in f:
134             i=i.strip(‘\n‘)
135             if i != "":
136                 hmd.append(i)
137     return hmd
138 
139 
140 def add_hmd():
141     type =select_type()
142     name = input(‘輸入加入黑名單的用戶名>>:‘).strip()
143     if type ==‘shop‘:
144         file = ‘shop_hmd.txt‘
145         user_inf = acc_info()
146     elif type == ‘bank‘:
147         file =‘bank_hmd.txt‘
148         user_inf = bk_info()
149     if name not in user_inf:
150         print(‘用戶不存在‘)
151         return
152     hmd = r_hmd(type)
153     if name in hmd:
154         print(‘用戶名已存在黑名單‘)
155         return
156     with open(r‘%s‘%file,mode=‘a‘,encoding=‘utf-8‘) as f:
157         f.write(‘%s\n‘%name)
158     print(‘%s 已加入黑名單‘)
159 
160 
161 
162 def read_hmd():
163     type = select_type()
164     res =r_hmd(type)
165     print(res)
166 
167 def del_hmd():
168     type = select_type()
169     name = input(‘想要刪除的黑名單>>:‘).strip()
170     hmd  = r_hmd(type)
171     if name not in hmd:
172         print(‘用戶不在黑名單‘)
173         return
174     if type ==‘shop‘:
175         file = ‘shop_hmd.txt‘
176     elif type == ‘bank‘:
177         file =‘bank_hmd.txt‘
178     with open(r‘%s‘%file, mode=‘r‘, encoding=‘utf-8‘) as rf,179             open(r‘%s.swap‘%file, mode=‘w‘, encoding=‘utf-8‘) as wf:
180         for line in rf:
181             if name == line.strip(‘\n‘):
182                 line = ‘‘
183             wf.write(line)
184     os.remove(‘%s‘%file)
185     os.rename(‘%s.swap‘%file,‘%s‘%file)
186 
187 
188 
189 msg = """
190     1、增加用戶
191     2、增加額度
192     3、查看用戶信息
193     4、增加黑名單
194     5、查看黑名單
195     6、刪除黑名單
196     0、退出
197 """
198 dic ={
199     ‘1‘:add_user,
200     ‘2‘:alter_credit,
201     ‘3‘:check_userinfo,
202     ‘4‘:add_hmd,
203     ‘5‘:read_hmd,
204     ‘6‘:del_hmd,
205 }
206 
207 def admin():
208     while True:
209         print(msg)
210         choice = input(‘請輸入你的操作>>:‘)
211         if choice == ‘0‘:
212             print(‘exit‘)
213             return
214         elif choice in dic:
215             dic[choice]()
216         else:
217             print(‘非法操作‘)
218             continue
219 
220 admin()

第三周作業part2