Python程序1——登录接口编写

 1 #! /usr/bin/env python
 2 # -*- coding:utf-8 -*-
 3 # Author:Ku
 4 
 5 record_num = open(r‘e:\first week\record_num.txt‘, ‘r‘)  # 用来记录用户密码以及尝试过的用户的数量
 6 
 7 # 提取用户数量以及尝试过的用户名数量
 8 num_username = int(record_num.readline().rstrip())
 9 num_record_username = int(record_num.readline().rstrip())
10 #print(num_username,num_record_username)
11 record_num.close()
12 
13 count = 1   #指示尝试的次数
14 
15 while count <= 3:
16 
17     username = input("Please enter your username:")     #输入模块
18 #password = getpass.getpass("Please enter your password:")
19     password = input("Please enter your password:")
20 
21 
22     user = open(r‘e:\first week\username.txt‘, ‘r‘)   #文件打开模块
23     passwd = open(r‘e:\first week\passwd.txt‘, ‘r‘)
24 
25 
26     trid_name = 0   #这个模块来判断是否这个用户名尝试过很多次
27     with  open(r‘e:\first week\record_name.txt‘, ‘r‘) as record_tried_name:
28         for i in range(num_record_username):
29 
30           #  record_buffer = record_tried_name.readline().rstrip()
31             if username == record_tried_name.readline().rstrip():
32                 print("This account have tried too many times!")
33                 trid_name = 1
34                 break
35     if trid_name == 1:
36         break
37 
38     user_valid = 0  #用来标记用户名是否有效
39 
40     j = 0  # 用来标记有效用户名的编号
41 
42     for i in range(num_username):
43         username_buffer = user.readline().rstrip()     #用来暂时存储用户名，可以不用
44         if username == username_buffer:
45             user_valid = 1
46             j = i         # record the which username is right
47             break
48 
49     if user_valid == 0:
50         print("Your account is not valid")
51         count += 1
52         if count >= 4:
53             print("Sorry you‘ve tried too many times")
54 
55             with  open(r‘e:\first week\record_name.txt‘, ‘a‘) as record_tried_name:   #该模块用来写入尝试过很多次的账户
56                 record_tried_name.write("%s\n"%username)
57 
58                 num_record_username += 1  # 这个模块来记录记录的账户数量的变化
59                 with open(r‘e:\first week\record_num.txt‘, ‘w‘) as change:
60                     change.write("%s\n" % num_username)
61                     change.write("%s\n" % num_record_username)
62 
63             record_tried_name.close()
64             break   #跳出while循环
65 
66     else:
67         login_success = 0
68         for l in range(num_username):        #l作为指针指示第几行
69             passwd_buffer = passwd.readline().rstrip()
70             if l == j:       #如果l与登录用户的顺序一致，则进入之后的判断
71                 if password == passwd_buffer:
72                     print("yes,%s is in!"% username)
73                     login_success = 1
74                     break #跳出for循环
75 
76                 else:
77                     print("Your password is wrong!")
78                     count += 1
79                     if count >=4:
80                         print("Sorry you‘ve tried too many times")
81                         with  open(r‘e:\first week\record_name.txt‘, ‘a‘) as record_tried_name:  #用来写入尝试过很多次的账户
82                             record_tried_name.write("%s\n" % username)
83 
84                             num_record_username +=1    #这个模块来记录记录的账户数量的变化
85                             with open(r‘e:\first week\record_num.txt‘, ‘w‘) as change:
86                                 change.write("%s\n"%num_username)
87                                 change.write("%s\n"%num_record_username)
88 
89                         record_tried_name.close()
90         if login_success == 1:
91             break   #跳出while循环，成功登录
92     user.close()   #关文件
93     passwd.close()   #关文件