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 packageimport socketimport timeimport sysHOST_IP = "192.168.31.151" #树莓派的IP地址HOST_PORT = 8888print("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 socketimport timeimport sysSERVER_IP = "192.168.31.151" #树莓派的IP地址SERVER_PORT = 8888print("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)  continueprint("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)