一个接受telnet输入的服务器端小程序
#!/usr/local/bin/python3.5
#coding:utf-8
import sockethost = ''
port = 51423s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind((host, port))
s.listen(1)print('Server is running on port %d; press Ctrl-c to terminate.' % port)while 1:clientsock, clientaddr = s.accept()clientfile = clientsock.makefile('rwb', 0)clientfile.write(('welcome, ' + str(clientaddr) + '
').encode(encoding='utf-8'))clientfile.write(('please enter a string: ').encode(encoding='utf-8'))line = clientfile.readline().strip()clientfile.write(('U are enterd %d characters.
' % len(line)).encode(encoding='utf-8'
))clientfile.close()clientsock.close()
效果图
END!