Python判断PC是否连网

代码很简单，须要设置能访问的url便可

import socket

def is_connected(url):

try:
    host = socket.gethostbyname(url)
    s = socket.create_connection((host, 80), 2)
    return True
except Exception as e:
    return False

URL = "www.baidu.com"

print is_connected(URL )