day09作业01用户登录与验证

Posted 2020-09-02 绿洲2017

import time
LoginTime = time.asctime( time.localtime(time.time()) )
print ("time %s" % LoginTime)
count = 0
#LoginName = []
data = ("1.注册新会员","2.会员登录")
for i in range(5):
    print (data)
    choice = input("请选择：")
    if choice.isdigit():
        choice = int(choice)
    with open(‘access_file‘,"r+" ,encoding="utf-8") as f:
        user_list = f.read().split()
        if choice == 1:
            username =input("请输入用户名：")
            if username.split():
                for item in user_list:
                    if (username) in item:
                        print("该用户%s已存在，请注册其它用户名！" % username)
                        break
                else:
                    pwd = input("请输入密码：")
                    with open(‘access_file‘,"a+" ,encoding="utf-8") as f_write:
                        f_write.write("%s\n%s\n"% (username,pwd))
                        print ("注册成功!")
                        break
        elif choice ==2:
            login_name = input("请输入用户名：")
            if login_name.split():
                with open("fail_file","r+",encoding="utf-8" ) as f_lock,open("login_log","a+")as f_log:
                    user_lock = f_lock.read().split()
                    for userLock in user_lock:
                        if login_name in userLock:
                            print("该用户已锁定，请联系管理员！")
                            exit()
                    with open("access_file","r+",encoding="utf-8" ) as f_loginName:
                        UserList = f_loginName.read().split()
                        for user_list2 in  UserList:
                            if login_name in user_list:
                                for count in range(1,4):
                                    count2 =3 - count
                                    user_passwd = input("请输入密码：")
                                    f_passwd = UserList[UserList.index(login_name)+1]
                                    if user_passwd == f_passwd:
                                        f_log.write("%s,%s登录成功!\n"%(LoginTime,login_name))
                                        print("登录成功！")
                                        exit()
                                    elif (user_passwd == f_passwd) == False:
                                        f_log.write("%s,%s密码不对，第%s次登录失败!\n"%(LoginTime,login_name,count))
                                        if count2 > 0:
                                            print("%s密码不对，你还有%s次登录机会!"% (login_name,count2))
                                        else:
                                            f_log.write("%s帐号%s登录次数超过%s次，现已锁定！"%(LoginTime,login_name,count))
                                            print("帐号%s登录次数超过%s次，现已锁定！"%(login_name,count))

                                            with open("fail_file","a+" ) as f_lock2:
                                                f_lock2.write("%s\n"% login_name)
                                                exit()
                            if login_name not in user_list:
                                print("用户%s不存在,请注册或用其它用户登录！"% login_name)
                                break
            else:
                print("请输入用户名!!!")