老男孩作业二的自我解答

Posted 2020-10-06

import os
import os.path





# 获取文件内容
def get_file():
    file_path = ‘C:/Users/win10/Desktop/user.txt‘
    file_name = open(file_path, "r+")
    i = int(0)
    lists = []  # 保存替换过的
    for line in file_name.readlines():
        i = i+1
        # 替换换行符 再切割成数组
        lists.insert(i,line.split(‘,‘))
    file_name.close() #关闭文件
    return lists

# 重写内容
def write_file(write_list):
    file_path = ‘C:/Users/win10/Desktop/user.txt‘
    file_write = open(file_path,"w")
    file_write.write(write_list)
    file_write.close()  # 关闭文件
    return
lnet = 0 #下一个数
times = 0
sum = len(get_file())
while lnet < sum:
    k = 0 # 用于计算第几个循环
    lists = get_file()
    content = ‘‘
    username = input(‘username:‘)
    password = input(‘password:‘)
    status = 0 #状态标记
    for item in lists:
        num = int(item[2].replace(‘\\n‘,‘‘))
        # break
        if num >=3 and username == item[0]:
            print(‘该用户已被锁定‘)
            lnet = sum #退出while
            status = 1
            break
        elif item[0] == username and item[1] == password:
            print(‘欢迎使用‘)
            lists[k][2] = lists[k][2].replace(‘1‘,‘0‘).replace(‘2‘,‘0‘).replace(‘3‘,‘0‘)
            for it in lists:
                content += ‘,‘.join(it)
            write_file(content)
            status = 1
            lnet = sum  # 退出while
            break
        elif item[0] == username and item[1] != password:
            print(‘账号或密码错误‘)
            lists[k][2] = lists[k][2].replace(str(num),str(num+1))
            for it in lists:
                content += ‘,‘.join(it)
            write_file(content)
            status = 1
            break
        # elif item[0] != username:
        #     print(‘账号或密码错误‘)

    if times == 2:
        print(‘您已输如超过三次错误！请关闭后重新打开‘)
    elif status == 0:
        print(‘账号或密码错误‘)
    times = times + 1
    lnet += 1

　　

文本格式：
账号 密码 次数
admin,admin,0
adminasdad,adadsad,0
adasda,adasdad,1

注：次数是从零开始计算的 用户名不能重复