建立TCP套接字流程

"""
  TPC套接字服務端
"""
import socket

# 建立套接字
sockfd=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
# 綁定位址
sockfd.bind(('0.0.0.0',8888))

# 設定監聽
sockfd.listen(5)

# 等待處理用戶端連結
while True:
    print('Waiting for connect....')
    try:
        connfd,addr = sockfd.accept()
        print("Connect from:",addr)
    except KeyboardInterrupt:
        print("退出服務")
        break

    # 收發消息
    while True:
        data = connfd.recv(1024)
        if not data:
            break
        print("接收到的消息:",data.decode())

        n = connfd.send('你好哇'.encode())



        print('發送了%d個位元組資料'%n)
    connfd.close()
# 關閉套接字
sockfd.close()
           

"""
tcp 用戶端代碼
"""
from socket import *
# 建立套接字
sockfd = socket()
# 發起連接配接
server_addr = ('176.215.155.170',8888)
sockfd.connect(server_addr)
# 收發消息
while True:
    data = input("請輸入内容")
    if not data:
        break
    sockfd.send(data.encode())
    data = sockfd.recv(1024)

    print("From server:",data.decode())
# 關閉套接字
sockfd.close()