python socket编程腾讯云下报错[Errno 99] Cannot assign requested address的解决方式

先写服务端server.py：

import socket

import time

HOST = '172.17.xx.xx'  #服务器的私网IP

#HOST = 'localhost'

PORT = 8001

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

sock.bind((HOST, PORT))

sock.listen(5)

while True:

    connection,address = sock.accept()

    try:

        connection.settimeout(10)

        buf = connection.recv(1024)

        if buf:

            connection.send(b'welcome to server!')

            print('Connection success!')

        else:

            connection.send(b'please go out!')

    except socket.timeout:

        print ('time out')

    connection.close()

客户端client.py:

import socket

import time

#HOST = 'localhost'

HOST = '212.64.xx.xx'  #服务器的公网IP

PORT = 8001

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

sock.connect((HOST, PORT))

time.sleep(2)

sock.send(b'')

print (sock.recv(1024).decode())

sock.close()

使用本地测试（即HOST='localhost'）是可以的，但是在腾讯云/阿里云上报错“[Errno 99] Cannot assign requested address”，解决方法：服务端的ip填私网ip，客户端填公网ip。

参考链接：

1. https://blog.csdn.net/weixin_41656968/article/details/80042554

2. https://blog.csdn.net/weixin_43146445/article/details/93506761

巴特西

python socket编程腾讯云下报错[Errno 99] Cannot assign requested address的解决方式

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