树莓派与PC端在局域网内运用python实现即时通讯

 #coding:utf-8 #import necessary package import socket import time import sys HOST_IP = "192.168.31.151" #树莓派的IP地址 HOST_PORT = 8888 print("Starting socket: TCP...") #1.create socket object:socket=socket.socket(family,type) socket_tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM) print("TCP server listen @ %s:%d!" %(HOST_IP, HOST_PORT) ) host_addr = (HOST_IP, HOST_PORT) #2.bind socket to addr:socket.bind(address) socket_tcp.bind(host_addr) #3.listen connection request:socket.listen(backlog) socket_tcp.listen(1) #4.waite for client:connection,address=socket.accept() socket_con, (client_ip, client_port) = socket_tcp.accept() print("Connection accepted from %s." %client_ip) socket_con.send("Welcome to RPi TCP server!") print("Receiving package...") ###主循环 while True: try: data=socket_con.recv(512) if len(data)>0: print("Received:%s"%data) socket_con.send(data) time.sleep(1) continue except Exception: socket_tcp.close() sys.exit(1)

 import socket import time import sys SERVER_IP = "192.168.31.151" #树莓派的IP地址 SERVER_PORT = 8888 print("Starting socket: TCP...") server_addr = (SERVER_IP, SERVER_PORT) socket_tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM) while True: try: print("Connecting to server @ %s:%d..." %(SERVER_IP, SERVER_PORT)) socket_tcp.connect(server_addr) break except Exception: print("Can't connect to server,try it latter!") time.sleep(1) continue print("Please input:") while True: try: data = socket_tcp.recv(512) if len(data)>0: print("Received: %s" % data) command=raw_input() socket_tcp.send(command) time.sleep(1) continue except Exception: socket_tcp.close() socket_tcp=None sys.exit(1)