login_register.py
def login_register():
print('登录注册：')
print('======================================================')
print('1.登录\n2.注册')
choice = input('请选择（1-2）：')
if choice == '1':
import logon
else:
import login
print('======================================================')
login_register()
login.py
import json
filename = 'username_password.json'
def logon():
print('======================================================')
print('注册')
with open(filename) as f_obj: #打开存储所有用户的json文件并读取
all_user = json.load(f_obj)
username = input('输入账号：')
password = input('输入密码：')
user = {username: int(password)}
all_user.append(user) #将新注册的用户账号及密码添加在json文件存储所有用户的列表中
with open(filename,'w') as f_obj:
json.dump(all_user,f_obj) #再将改的后的所有用户信息添加入json文件
print('注册成功')
import login_register
logon()
logon.py
import json
filename = 'username_password.json'
def login():
print('======================================================')
print('登录：')
username = input('请输入账号：')
password = input('请输入密码：')
user = {username: int(password)} # 用户名和密码存入字典
with open(filename) as f_obj:
all_user = json.load(f_obj)
if user in all_user: # 判断用户是否存在
print('登陆成功')
else:
print('登录失败\n请注册')
import login
print('======================================================')
login()
