# coding: utf-8
import socketserver


class MyTCPHandler(socketserver.BaseRequestHandler):
 """
 The request handler class for our server.
 It is instantiated once per connection to the server, and must
 override the handle() method to implement communication to the
 client.
 """

 def handle(self):
  # self.request is the TCP socket connected to the client
  self.data = self.request.recv(1024).strip()
  print("{} wrote:".format(self.client_address[0]))
  print(self.data)
  # just send back the same data, but upper-cased
  self.request.sendall(self.data.upper())


if __name__ == "__main__":
 HOST, PORT = "localhost", 9999

 # Create the server, binding to localhost on port 9999
 # 如果子類沒有某個(gè)方法或是屬性, 就回去父類中調(diào)用
 with socketserver.ThreadingTCPServer((HOST, PORT), MyTCPHandler) as server:
  # Activate the server; this will keep running until you
  # interrupt the program with Ctrl-C
  server.serve_forever()

# coding: utf-8
import socket


sk = socket.socket()
sk.connect(("127.0.0.1", 9999)) # 主動(dòng)初始化與服務(wù)器端的連接
while True:
 send_data = input("輸入發(fā)送內(nèi)容:")
 sk.sendall(bytes(send_data, encoding="utf8"))
 if send_data == "byebye":
  break
 accept_data = str(sk.recv(1024), encoding="utf8")
 print("".join(("接收內(nèi)容：", accept_data)))
sk.close()

class ThreadingTCPServer(ThreadingMixIn, TCPServer): pass

with socketserver.ThreadingTCPServer((HOST, PORT), MyTCPHandler) as server:
  # Activate the server; this will keep running until you
  # interrupt the program with Ctrl-C
  server.serve_forever()