主頁分為四個板塊：原創軟件，精品軟件，灌水專區，福利專區。原創軟件，精品軟件可以瀏覽，灌水專區，福利專區需要登陸後瀏覽，支持qq登陸和本地登陸兩種方式，用戶系統支持增刪改查功能（學習完正則之後再修改），需要留用戶名密碼手機三個 選項。

logeinflag = False


def rand():  # 四位數字驗證碼
    import random
    randlist = []
    for i in range(4):
        c = random.randint(48, 57)
        randlist.append(chr(c))
        b = ‘‘
 
.join(randlist)
    print(b)
    userrand = input(‘輸入驗證碼‘).strip()
    if userrand != b:
        print(‘驗證碼錯誤‘)
        rand()
    return True


def reg():  # 註冊
    global logeinflag, username, userpwd, userphone
    username = input(‘輸入用戶名‘).strip()
    userpwd = input(‘輸入密碼‘).strip()
    userphone 
 
= input(‘輸入電話‘).strip()
    if rand() and same():
        with open(‘base.txt‘, ‘a+‘, encoding=‘utf-8‘) as regtxt:
            new = ‘^^‘.join([username, userpwd, userphone])
            regtxt.write(‘\n‘ + new)
            logeinflag = True
            print(‘註冊成功，已經登錄‘)
            main()
    else
 
:
        return reg()
    return True


def same():  # 查重
    with open(‘base.txt‘, ‘r‘, encoding=‘utf-8‘) as sametxt:
        for i in sametxt:
            if username == i.split(‘^^‘)[0]:
                print(‘用戶名已經被占用，請重新輸入‘)
                return False
    return True


def outer(func):
    def logein():  # 登陸
        global logeinflag
        if logeinflag == False:
            choicelogein = input(‘選擇登陸方式：1.qq  2.本地賬號  3.註冊‘)
            if choicelogein == ‘1‘:
                with open(‘qq.txt‘, ‘r‘, encoding=‘utf-8‘) as qq:
                    username = input(‘輸入用戶名‘).strip()
                    userpwd = input(‘輸入密碼‘).strip()
                    for i in qq:
                        if username == i.split(‘^^‘)[0] and userpwd == i.split(‘^^‘)[1]:
                            logeinflag = True
                            print(‘登陸成功‘)
                            main()
                        else:
                            print(‘用戶名密碼錯誤‘)
                            logein()
            if choicelogein == ‘2‘:
                with open(‘base.txt‘, ‘r‘, encoding=‘utf-8‘) as base:
                    username = input(‘輸入用戶名‘).strip()
                    userpwd = input(‘輸入密碼‘).strip()
                    for i in base:
                        if username == i.split(‘^^‘)[0] and userpwd == i.split(‘^^‘)[1]:
                            logeinflag = True
                            print(‘登陸成功‘)
                            main()
                        else:
                            print(‘用戶名密碼錯誤‘)
                            logein()
            if choicelogein == ‘3‘:
                reg()
        func()

    return logein


def soft():
    print(‘歡迎進入精品軟件區‘)
    print(‘瀏覽選擇1，回帖選擇2‘)
    choiceitme = input(‘請輸入選擇的序號：‘)
    if choiceitme == ‘1‘:
        print(‘瀏覽內容‘)
    if choiceitme == ‘2‘:
        print(‘回帖內容‘)
    return main()


def orig():
    print(‘歡迎進入原創軟件區‘)
    print(‘瀏覽選擇1，回帖選擇2‘)
    choiceitme = input(‘請輸入選擇的序號：‘)
    if choiceitme == ‘1‘:
        print(‘瀏覽內容‘)
    if choiceitme == ‘2‘:
        print(‘回帖內容‘)
    return main()


@outer
def enter():
    print(‘歡迎進入灌水專區‘)
    print(‘瀏覽選擇1，回帖選擇2‘)
    choiceitme = input(‘請輸入選擇的序號：‘)
    if choiceitme == ‘1‘:
        print(‘瀏覽內容‘)
    if choiceitme == ‘2‘:
        print(‘回帖內容‘)
    return main()


@outer
def welf():
    print(‘歡迎進入福利專區‘)
    print(‘瀏覽選擇1，回帖選擇2‘)
    choiceitme = input(‘請輸入選擇的序號：‘)
    if choiceitme == ‘1‘:
        print(‘瀏覽內容‘)
    if choiceitme == ‘2‘:
        print(‘回帖內容‘)
    return main()


def main():
    print(‘ Choice Zone ‘.center(50, ‘*‘))
    print(‘‘‘
    1.精品軟件
    2.原創軟件
    3.灌水專區
    4.福利專區
    ‘‘‘)
    choicezone = input(‘請輸入選擇的序號：‘)
    if choicezone == ‘1‘:
        soft()
    if choicezone == ‘2‘:
        orig()
    if choicezone == ‘3‘:
        enter()
    if choicezone == ‘4‘:
        welf()


main()

用裝飾器做一個登陸系統