求解报错：AttributeError:module‘os’hasnoattribute‘exit’_attributeerror:__aexit__

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求解报错：求解报错：AttributeError:module ‘os’ has no attribute

‘exit’

python3 server.py 127.0.0.1 8888

Traceback (most recent call last):

File “server.py”, line 83, in

main()

File “server.py”, line 76, in main

os.exit()

AttributeError: module ‘os’ has no attribute ‘exit’

部分代码入下：

from socket import *

import sys,os

#实现登录

def do_login(s,user,name,addr):

for i in user:

if i == name or name == ‘管理员’:

s.sendto(“该用户已存在，请重新输入”.encode(),

addr)

return

s.sendto(b’ok’,addr)

msg = “欢迎 %s 进入聊天室” % name

#通知所有人

for i in user:

s.sendto(msg.encode(),user[i])

user[name] = addr

return

#子进程处理客户端请求

def do_chile(s):

#字典用来存储用户信息

user = {}

#循环接收请求

while True:

msg,addr = s.recvfrom(1024)

msg = msg.decode()

cmd = msg.split(’ ‘)

if cmd[0] == ‘L’:

do_login(s,user,cmd[1],addr)

#elif msg == 聊天:

do_chart()

#elif msg == 退出:

do_logout()

else:

s.sendto(“请求错误”.encode())

#发送管理员消息

def do_parent():

print(“这是父进程”)

while True:

pass

def main():

if len(sys.argv) < 3:

print(“argv is error”)

return

HOST = sys.argv[1] PORT = int(sys.argv[2])

ADDR = (HOST,PORT)

#使用数据报套接字

s = socket(AF_INET,SOCK_DGRAM)

s.setsockopt(SOL_SOCKET,SO_REUSEADDR,1)

s.bind(ADDR)

pid1 = os.fork()

if pid1 < 0:

print("创建一级子进程失败")

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