getNum = int(input("1.登入\n2.注冊(cè)\nPlease Input the Choose :"))
while getNum<1 or getNum>2:
  getNum =int(input("無效值 :"))
username = input("用戶名: ")
password = input("密碼: ")
if getNum == 1:#登入
  ErrNums = 0
  while ErrNums<3:
    T = False
    fp = open('login_lock.txt','r')#打開鎖定文件查看輸入的賬戶是否被鎖定
    lines = fp.readlines()#讀取所有行
    while T== False:
      for line in lines:
        if line.split(',')[0] == username:
          print("帳號(hào)已被鎖定 !")
          username = input("用戶名: ")
          password = input("密碼: ")
          break
      T=True
    fp.close()
    T = False
    fp_user = open('user_info.txt','r')#打開用戶信息文件：
    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:#登入失敗了
      ErrNums += 1
      if ErrNums >= 3:
        fp_user = open('login_lock.txt','a')
        print("賬戶已被鎖定 !")
        fp_user.write('\n'+username)
        fp_user.close()
        break
      print("賬戶名或密碼錯(cuò)誤 !")
      username = input("用戶名: ")
      password = input("密碼: ")
    else:
      break
elif getNum == 2:#注冊(cè)
  fp= open('user_info.txt','r')#打開用戶信息文件：
  T = False
  lines = fp.readlines() # 讀取所有行
  while T == False:
    for line in lines:
      if line.split(',')[0] == username:
        print("帳號(hào)已存在，請(qǐng)重新輸入 !")
        username = input("用戶名: ")
        password = input("密碼: ")
        break
      T = True
  fp.close()
  fp = open('user_info.txt', 'a') # 打開用戶信息文件：
  fp.write(username+','+password+'\n')
  print("注冊(cè)成功 !")