server端
importsys,socket,time,gevent
fromgeventimportsocket, monkey
monkey.patch_all()#卡住每个进程

defserver(port):
    s = socket.socket()
    s.bind(('0.0.0.0', port))
    s.listen(500)
   while True:
        cli, addr = s.accept()
        gevent.spawn(handle_request, cli)#起协程 把cli连接传给handle_request遇到IO阻塞就切换

defhandle_request(conn):#类似socketserver的handle方法
   try:
       while True:
            data = conn.recv(1024)
           print("recv:", data)
            conn.send(data)
            if notdata:
               break#关闭客户端

   exceptException as ex:#打印异常
       print(ex)
   finally:
        conn.close()

if__name__ =='__main__':
    server(8001)

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client端
importsocket

HOST ='localhost' # The remote host
PORT =8001 # The same port as used by the server
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((HOST, PORT))
while True:
    msg =bytes(input(">>:"),encoding="utf8") #转成bytes类型
   if notmsg:continue#输入为空 跳出循环又从第1行开始循环
   s.sendall(msg)
    data = s.recv(1024)
   # print(data)

   print('Received',repr(data))#repr格式化输出
s.close()

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