getNum = int(input("1.登入\n2.注册\nPlease Input the Choose :"))
while getNum<1 or getNum>2:
  getNum =int(input("无效值 :"))
username = input("用户名: ")
password = input("密码: ")
if getNum == 1:#登入
  ErrNums = 0
  while ErrNums<3:
    T = False
    fp = open('login_lock.txt','r')#打开锁定文件查看输入的账户是否被锁定
    lines = fp.readlines()#读取所有行
    while T== False:
      for line in lines:
        if line.split(',')[0] == username:
          print("帐号已被锁定 !")
          username = input("用户名: ")
          password = input("密码: ")
          break
      T=True
    fp.close()
    T = False
    fp_user = open('user_info.txt','r')#打开用户信息文件：
    lines = fp_user.readlines()
    for line in lines:
      if line.split(',')[0] == username:
        if line.split(',')[1] == password+'\n'or line.split(',')[1] == password:
          print("登入成功 !")
          T = True
          break
    fp_user.close()
    if T == False:#登入失败了
      ErrNums += 1
      if ErrNums >= 3:
        fp_user = open('login_lock.txt','a')
        print("账户已被锁定 !")
        fp_user.write('\n'+username)
        fp_user.close()
        break
      print("账户名或密码错误 !")
      username = input("用户名: ")
      password = input("密码: ")
    else:
      break
elif getNum == 2:#注册
  fp= open('user_info.txt','r')#打开用户信息文件：
  T = False
  lines = fp.readlines() # 读取所有行
  while T == False:
    for line in lines:
      if line.split(',')[0] == username:
        print("帐号已存在，请重新输入 !")
        username = input("用户名: ")
        password = input("密码: ")
        break
      T = True
  fp.close()
  fp = open('user_info.txt', 'a') # 打开用户信息文件：
  fp.write(username+','+password+'\n')
  print("注册成功 !")