python3作业：模拟登录

Posted 2020-09-01

__author__ = "bin007"

customer = {}#存储用户信息
#处理用户信息文件
try:
    with open(‘login.txt‘,‘r‘,encoding=‘utf-8‘) as f:
        for line in f:
            customer[line.split()[0]] = [line.split()[1],line.split()[2]]
except:
    print(‘用户文件不存在‘)

login_name = input("\033[32;1m请输入用户名-->:\033[0m")   #获取用户名
login_secret = input(‘\033[32;1m请输入密码--->:\033[0m‘)  #获取用户密码
if customer.get(login_name):
    customer_secret = customer.get(login_name)[0]
    secret_err = int(customer.get(login_name)[1])
    if secret_err < 3:
        if login_secret == customer_secret:
            print(‘\033[32;1m登录成功\033[0m‘)
        else:
            print(‘\033[31;1m用户名或密码错误，还剩余%s次机会\033[0m‘%(2-secret_err))
            customer.get(login_name)[1] = str(int(customer.get(login_name)[1])+1)
    else:
        print(‘\033[41;1m用户已被锁定\033[0m‘)
        customer.get(login_name)[1] = str(int(customer.get(login_name)[1])+1)
        print(customer.get(login_name)[1])
else:
    login_new = input(‘\033[31;1m用户不存在是否以当前用户名密码注册(Y/N):\033[0m‘)
    if login_new == ‘Y‘ or login_new == ‘y‘:
        customer[login_name] = [login_secret,0]
        print(‘\033[32;1m注册成功，请登录\033[0m‘)
    else:
        pass
#更新用户文件
with open(‘login.txt‘,‘w+‘,encoding=‘utf-8‘) as f:
    for i in customer:
        write_line = (‘%s %s %s‘+‘\n‘)% (i,customer[i][0],customer[i][1])
        f.write(write_line)