# python账户管理系统 作者：WWJJ！
import json # 导入jason模块，用于读写jason文件
# 存储用户信息的文件名
user_file = "users.json"
# 读取用户数据
try:
with open(user_file, 'r', encoding='utf-8') as f: # 打开文件,以只读模式读取
users = json.load(f) # 将文件中的json数据解析为python对象
except FileNotFoundError: # 若出现异常，建立空字典
users = {}
# 保存用户数据
def save_data():
with open(user_file, "w") as f: # 打开文件以写入的额模式写入
json.dump(users, f) # 将python对象转为json格式并写入文件
class Account:
def __init__(self, username, password, ident, balance, is_blocked):
self.username = username
self.password = password
self.ident = ident
self.balance = balance
self.is_blocked = is_blocked
def to_dict(self): # 用于将Account对象的username和password和ident属性打包为一个字典并返回
return {"username": self.username, # 便于将用户的信息写入文件或先从文件中读取出来
"password": self.password,
"ident": self.ident,
"balance": self.balance,
"is_blocked": self.is_blocked}
# 创建新用户
def creat_account():
username = input("请输入姓名：")
if username == "super":
print("出错了！")
return
if username in users:
print("该用户名已被使用，请重新输入：")
return
password = input("请设置密码：")
ident = "0"
balance = 0
account = Account(username, password, ident="2",
balance="0", is_blocked=False)
users[username] = account.to_dict()
save_data()
print("账户添加成功！")
# 用户登录
def login():
while True:
username = input("请输入用户名:")
if username == "super":
superpass = input("请输入密钥：")
if superpass == "12345678":
super_interface()
return
if username not in users:
print("用户名不存在，请重新输入!")
continue
if users[username]["is_blocked"] == True:
print("该账户已被封禁，无法登录！请联系管理员解封")
return None
password = input("请输入密码：")
tries = 2
while users[username]["password"] != password:
if tries == 0:
users[username]["is_blocked"] = True
save_data()
print("密码错误次数已达上线，该账户已被封禁！请联系管理员解封！")
return None
print("密码错误,请重新输入")
print(f"还有{tries}次尝试机会")
password = input("请输入密码：")
tries -= 1
print(f"登录成功！欢迎回来，{username}!")
if users[username]["ident"] == "0":
admin_interface()
return
elif users[username]["ident"] == "1":
member_interface(username)
return
else:
user_interface(username)
return
# 修改用户名
def change_username(username):
new_username = input("请输入新用户名：")
if new_username in users:
print("该用户名已被注册，请重新输入！")
return
users[new_username] = users.pop(username) # 更新用户名
users[new_username]["username"] = new_username
save_data()
print("用户名修改成功！")
# 修改密码
def change_password(username):
new_password = input("请输入新的密码：")
users[username]["password"] = new_password
save_data()
print("密码修改成功！")
# 升级为会员
def upgrade_member(username):
if int(users[username]["balance"]) >= 100:
users[username]["ident"] = "1"
save_data()
print("升级会员成功！")
else:
print("充值金额不足100，无法升级！")
# 充值
def recharge_balance(username):
amount = int(input("请输入充值金额(整数)："))
users[username]["balance"] = str(
(int(users[username]["balance"]) + amount))
save_data()
print("充值成功！")
if users[username]["ident"] == "2" and int(users[username]["balance"]) >= 100:
upgrade_member(username)
# 删除用户
def delete_account():
username = input("请输入要删除的账户名：")
if username == "super":
print("出错！请重试!")
return
if username not in users:
print("用户名不存在，请重新输入！")
return
if users[username]["ident"] == "0":
print("管理员账户不能被删除！")
return
del users[username] # 从用户列表中删除用户
save_data()
print("该账户删除成功！")
# 修改用户权限
def change_ident():
username = input("请输入要修改权限的用户名：")
if username not in users:
print("该用户名不存在，请重新输入！")
return
if username == "super":
print("出错了！请重新输入！")
return
ident = input("请输入该用户新的身份(0-管理员， 1-会员， 2-普通用户)：")
users[username]["ident"] = ident
save_data()
print("修改成功！")
# 封号
def block_account():
username = input("请输入要封禁的用户名：")
if username not in users:
print("该用户名不存在，请重新输入！")
return
if username == "super":
print("出错了！请重新输入！")
return
users[username]["is_blocked"] = True
save_data()
print("封禁账户成功！")
def view_all_users():
print("{:<10} {:<10} {:<10} {:<10}".format(
'用户名', '身份', '余额', '是否被封禁'))
for user in users.values():
print("{:<10} {:<10} {:<10} {:<10}".format(
user["username"], user["ident"], user["balance"], user["is_blocked"]))
# 管理员界面
def admin_interface():
while True:
print("=" * 30)
print("管理员界面")
print("1.添加用户")
print("2.删除账户")
print("3.修改用户权限")
print("4.封禁用户")
print("5.产看所有用户信息")
print("6.退出系统")
choice = input("请选择操作：")
if choice == "1":
creat_account()
elif choice == "2":
delete_account()
elif choice == "3":
change_ident()
elif choice == "4":
block_account()
elif choice == "5":
view_all_users()
elif choice == "6":
print("谢谢使用！再见！")
break
else:
print("请选择正确的操作！")
# 会员界面
def member_interface(username):
while True:
print("=" * 30)
print("会员界面")
print("1.修改用户名")
print("2.修改密码")
print("3.充值余额")
print("4.退出系统")
choice = input("请选择操作：")
if choice == "1":
change_username(username)
elif choice == "2":
change_password(username)
elif choice == "3":
recharge_balance(username)
elif choice == "4":
print("谢谢使用！再见！")
break
else:
print("请选择正确的操作！")
# 普通用户界面
def user_interface(username):
while True:
print("=" * 30)
print("普通用户界面")
print("1.修改密码")
print("2.充值余额")
print("3.退出系统")
choice = input("请选择操作：")
if choice == "1":
change_password(username)
elif choice == "2":
recharge_balance(username)
elif choice == "3":
print("谢谢使用！再见！")
break
else:
print("请选择正确的操作！")
# super界面
def super_interface():
while True:
print("=" * 30)
print("1.查看所有用户信息")
print("2.解封单个用户")
print("3.解封所有用户")
print("4.退出系统")
choice = input("请选择操作：")
if choice == "1":
view_all_users()
elif choice == "2":
username = input("请输入要解封的用户名：")
if username not in users:
print("该用户名不存在，请重新输入！")
continue
users[username]["is_blocked"] = False
save_data()
print("该账户已解封")
elif choice == "3":
for user in users.values():
user["is_blocked"] = False
save_data()
print("所有用户已解封！")
elif choice == "4":
print("谢谢使用，再见！")
break
else:
print("请输入正确的操作")
# 主程序
while True:
print("-"*30)
print("欢迎使用账户管理系统！")
print("1.创建账户")
print("2.登录账户")
print("3.退出系统")
choice = input("请选择操作：")
if choice == '1':
creat_account()
elif choice == '2':
login() # 用户登录
elif choice == "3":
print("感谢使用！")
break
else:
print("请输入正确的选择！")
