登录接口
需求:
输入用户名密码
认证成功后返回欢迎信息
输入错误三次后锁定
1 # -*- coding:utf-8 -*- 2 # Author:Brownyangyang 3 #import getpass 4 import sys 5 count=0 6 p=0 7 #username = input("username:") 8 while count < 3: 9 username = input ("username:") 10 f = open("lock_file.txt",'r+') 11 lock_list=f.readlines() 12 for lock_line in lock_list: 13 lock_line = lock_line.strip(' ') 14 if username == lock_line: 15 sys.exit('用户 %s 已经被锁定,退出' % username) 16 17 k = open('user_list.txt','r') 18 user_list = k.readlines() 19 for user_line in user_list: 20 (user,passwd) = user_line.strip(' ').split() 21 if username == user: 22 j=0 23 while j<3: 24 password = input ("password:") 25 if password == passwd: 26 print("Welcome,用户%s!!!" % username) 27 sys.exit(0) 28 else: 29 print("用户%s密码错误" % username) 30 j += 1 31 else: 32 f.write(username+' ') 33 sys.exit("用户%s达到最大登录次数,退出。" % username) 34 35 else: 36 pass 37 count += 1 38 print("用户 %s 不存在,请重新输入" % username) 39 else: 40 sys.exit("用户 %s 不存在,退出" % username) 41 42 f.close() 43 k.close()
简单进度条
# -*- coding:utf-8 -*- # Author:Brownyangyang import sys,time for i in range(30): sys.stdout.write(">>") sys.stdout.flush() time.sleep(0.5)