基于TCP协议的套接字编程(简单)

服务端

import socket

server = socket.socket()

server.bind(

    ('127.0.0.1', 9999)

)

server.listen(5)

conn, addr = server.accept()

print(addr)

data = conn.recv(1024).decode('utf-8')

print(data)

conn.send('来自服务端消息：我不好'.encode('utf-8'))

conn.close()

server.close()

客户端

import socket

client = socket.socket()

client.connect(

    ('127.0.0.1', 9999)

)

client.send('来自客户端消息：你好'.encode('utf-8'))

data = client.recv(1024).decode('utf-8')

print(data)

client.close()

基于TCP协议的套接字编程(复杂)

服务端

import socket

server = socket.socket()

server.bind(

    ('127.0.0.1', 9999)

)

server.listen(5)

conn, addr = server.accept()

print(addr)

while True:

    # 接收客户端发送来的消息

    data = conn.recv(1024).decode('utf-8')

    print(data)

    if data == 'q':

        break

    send_msg = input('server--->client: ').encode('utf-8')

    conn.send(send_msg)

conn.close()

server.close()

客户端

import socket

client = socket.socket()

client.connect(

    ('127.0.0.1', 9999)

)

while True:

    send_msg = input('client---> server：')

    client.send(send_msg.encode('utf-8'))

    if send_msg == 'q':

        break

    # 服务端返回的数据

    data = client.recv(1024).decode('utf-8')

    print(data)

client.close()

服务端服务多个客户

服务端

import socket

server = socket.socket()

server.bind(

    ('127.0.0.1', 8888)

)

server.listen(5)  # 半连接数，等待的用户

while True:

    conn, addr = server.accept()

    print(addr)

    while True:

        try:

            data = conn.recv(1024).decode('utf-8')

            print(data)

            # mac\linux的bug：b''

            if len(data) == 0:

                continue

            if data == 'q':

                break

            send_msg = input('server--->client:').encode('utf-8')

            conn.send(send_msg)

        except Exception as e:

            print(e)

            break

    conn.close()

客户端

import socket

client = socket.socket()

client.connect(

    ('127.0.0.1', 8888)

)

while True:

    send_msg = input('client--->server：')

    client.send(send_msg.encode('utf-8'))

    if send_msg == 'q':

        break

    data = client.recv(1024).decode('utf-8')

    print(data)

client.close()

巴特西

基于TCP连接的socket套接字编程

基于TCP协议的套接字编程(简单)

服务端

客户端

基于TCP协议的套接字编程(复杂)

服务端

客户端

服务端服务多个客户

服务端

客户端

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