1 import datetime
2 # 1、
3 f = open('users')
4 result = f.read()
5 f.close()
6 user_list = result.split() #
7 user_dic = {}
8 for user in user_list:
9 username,password = user.split(',')
10 user_dic[username] = password
11
12
13
14 for i in range(3):
15 username = input('请输入用户名：').strip()
16 # password = getpass.getpass('请输入密码：').strip()
17 password = input('请输入密码：').strip()
18 if username == '' or password == '':
19 print('账号/密码不能为空')
20 elif username not in user_dic:
21 print('用户名不存在')
22 elif password == user_dic.get(username):
23 print('%s欢迎登陆，今天的日期是%s'%(username,datetime.datetime.today()))
24 break
25 else:
26 print('账号/密码错误！')
27 else:
28 print('错误次数过多！')
