프로젝트 공유: 아날로그 블로그 로그인

def register():
    """
      ：      
      ：                            ，          
    :return: None
    """
    flag1 = True
    while flag1:
        username = input("     (        ):")
        password = input("     (6~14  ):")
        if not username.isalnum():
            print("          ，     ！")
        elif not 6 <= len(password) <= 14:
            print("      ，     ！")
        else:
            f1.seek(0)
            for el in f1:
                if username in el.split(":")[1]:
                    print("      ")
                    break
            else:
                print("    ！")
                f1.write(f"
{0}:{username}:{password}")
                flag1 = False


def login():
    """
      ：      
      ：          
    :return: str ——> None
    """
    global flag,username,visit
    count = 3
    while count:
        username = input("     :")
        password = input("     :")
        f1.seek(0)
        for el in f1:
            num, user, pwd = el.strip().split(":")
            if num == "1":
                print("      ！      ！")
                return
            elif username == user:
                if password == pwd:
                    print("    ！")
                    visit = True
                    return
                else:
                    count -= 1
                    print(f"      ，     (    :{count})")
                    break
        else:
            print("     ，    ！")
    else:
        print("      ！      ！")
        f1.seek(0)
        for el in f1:
            if el.strip().split(":")[1] == username:
                f2.write(el.replace("0", "1", 1))
            else:
                f2.write(el)
        flag = True

def article():
    """
      ：      
      ：     
    :return: None
    """
    print(f"  {username}      ")

def comment():
    """
      ：        
      ：     
    :return: None
    """
    print(f"  {username}      ")

def diary():
    """
      ：        
      ：     
    :return: None
    """
    print(f"  {username}      ")

def collect():
    """
      ：        
      ：     
    :return: None
    """
    print(f"  {username}      ")

def logout():
    """
      ：    
      ：           False
    :return: None
    """
    global visit
    print("    ")
    visit = False

def drop_out():
    """
      ：  
      ：  exit()  
    :return:None
    """
    print("       ！")
    exit()


function = {
    "1": register,
    "2": login,
    "3": article,
    "4": comment,
    "5": diary,
    "6": collect,
    "7": logout,
    "8": drop_out,
}
msg = f"""{'   '.center(15, "*")}
1.  
2.  
3.      
4.      
5.      
6.      
7.    
8.  
     :"""
import os

flag = False
visit = False  #       
while True:
    with open("userinfo.txt", "r+", encoding="utf-8") as f1, \
            open("userinfo_  .txt", "w", encoding="utf-8") as f2:
        choose = input(msg)
        if choose in function:  #    choose      
            if visit:  #              ，        3~7
                if choose in ["1", "2"]:  #            
                    print("    ，    ！")
                else:
                    function[choose]()  #       
            elif choose in ["1", "2", "8"]:  #     "1"、"2"、"8"  
                function[choose]()
            else:
                print("    ")
        else:
            print("      ，     ！")
    if flag:  #     
        os.remove("userinfo.txt")
        os.rename("userinfo_  .txt", "userinfo.txt")
        flag = False
        exit()