自学教程：python利用文件读写编写一个博客

import randomimport jsonimport timeimport os  def zhuce():    print("*********************正在注册*********************")    try:        users = readfile()    except:        fa = open(r'test.json', "w",encoding="utf-8")        fa.write(json.dumps({"初始化": "初始化"}))        fa.close()        users = readfile()        os.makedirs('用户信息')    b = 0    user_name = input("请输入你的用户名:")    user_password = input("请输入你的密码:")    for key in users.keys():        if user_name == key:            print("用户名已存在")            b = 1            break    if b == 0:        writefile1(user_name)        users[user_name] = user_password        writefile1(user_name)        writefile(users)    return b  def readfile():    f = open(r'test.json', "r+")    f1 = json.load(f)    f.close()    return f1  def writefile(a):    a = json.dumps(a)    f = open(r'test.json', "w")    f.write(a)    f.close()  def homepage():    print("*********************微博主页*********************")    a = input("1注册 2登录 3退出/n请输入你的选择：")    return a  def zhucetexiao():    print("注册中，请稍后！")    print("更新成功！")    print("注册成功！")    print("默认文章表创建完成！")  def denglu():    b = 0    print("*********************正在登录*********************")    users = readfile()    user_name = input("登录用户名:")    user_password = input("登录密码:")    for key in users.keys():        if user_name == key:            print("用户存在，判断密码")            b = 2            if user_password == users[key]:                print("登陆成功")                b = 1                dengluxiaoguo(user_name)                break    if b == 0:        print("登录失败")    return b  def dengluxiaoguo(user_name):    while 0 == 0:        a = input("1写文章 2读取所有 3读取一篇 4编辑一篇 5删除一篇 6登出/n请输入你的选择:")        users = article_read(user_name)        if a == "1":            print("*********************写一篇文章*********************")            article_write(user_name)        elif a == "2":            duqusuoyou(user_name)        elif a == "3":            print("*********************读一篇文章*********************")            duquyipian(user_name)        elif a == "4":            print("*********************改一篇文章*********************")            bianjiyipian(user_name)        elif a == "5":            print("*********************删一篇文章*********************")            shanchuyipian(user_name)        elif a == "6":            break  def shanchuyipian(user_name):    duqusuoyou(user_name)    a = input("请输入您要删除的序号？")    f = open(f'用户信息/{user_name}.json', "r+")    f1 = json.load(f)    f.close()    if len(f1) > 1:        if int(a) > 0 and int(a) <= len(f1):            f1.pop(a)            for i in range(1, len(f1) + 2):                if i > int(a):                    f1[str(i - 1)] = f1.pop(str(i))            f = open(f'用户信息/{user_name}.json', "w")            b = json.dumps(f1)            f.write(b)            f.close()        else:            print("未找到该序列")    else:        print("最后一篇文章拒绝删除")    duqusuoyou(user_name)  def bianjiyipian(user_name):    duqusuoyou(user_name)    a = input("请输入您要编辑的序号？")    f = open(f'用户信息/{user_name}.json', "r+")    f1 = json.load(f)    f.close()    if int(a) > 0 and int(a) <= len(f1):        article_name = input("文章名称")        article_content = input("文章内容")        f = open(f'用户信息/{user_name}.json', "r+")        f1 = json.load(f)        f.close()        f = open(f'用户信息/{user_name}.json', "w")        time1 = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())        f1[a] = {"title": article_name, "time": time1, "author": user_name, "content": article_content}        b = json.dumps(f1)        f.write(b)        f.close()    else:        print("未找到该序列")  def duquyipian(user_name):    duqusuoyou(user_name)    a = input("请输入您要查看的序号？")    f = open(f'用户信息/{user_name}.json', "r+")    f1 = json.load(f)    f.close()    if int(a) > 0 and int(a) <= len(f1):        print(f1[a])    else:        print("未找到该序列")  def duqusuoyou(user_name):    print("*********************文章目录*********************")    f = open(f'用户信息/{user_name}.json', "r+")    f1 = json.load(f)    f.close()    for key in f1.keys():        print(f"{key} {f1[key]['title']}        {f1[key]['time']}")  def article_read(user_name):    f = open(f'用户信息/{user_name}.json', "r+")    f1 = json.load(f)    f.close()    return f1  def article_write(user_name):    f = open(f'用户信息/{user_name}.json', "r+")    f1 = json.load(f)    f.close()    key_count = len(f1) + 1    article_name = input("文章名称:")    article_content = input("文章内容:")    time1 = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())    f = open(f'用户信息/{user_name}.json', "w")    # print(type(key_count))    f1[str(key_count)] = {"title": article_name, "time": time1, "author": user_name, "content": article_content}    print(f1)    b = json.dumps(f1)    f.write(b)    f.close()  def readfile1():    f = open(r'test1.json', "r+")    f1 = json.load(f)    f.close()    return f1  def writefile1(a):    time1 = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())    f = open(f'用户信息/{a}.json', "w")    b = {1: {"title": "初始化文章", "time": time1, "author": "0", "content": "0"}}    print(b)    b = json.dumps(b)    f.write(b)    f.close()  while 0 == 0:    h = homepage()    if h == "1":        if zhuce() == 0:            zhucetexiao()    elif h == "2":        if denglu() == 1:            pass    else:        exit()