python检测端口是否开放详解编程语言

python的socket库可以检测端口是否开放

import socket; 
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
result = sock.connect_ex(('127.0.0.1',80)) 
if result == 0: 
   print "Port is open" 
else: 
   print "Port is not open"

这里sock.connect_ex方法尝试连接如果连接成功返回0。