python獲取本機局域網IP地址（適用於Windows、Linux、Mac）

import socket
import platform

def getip():
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.connect(('www.baidu.com', 0))
        ip = s.getsockname()[0]
    except:
        ip = "x.x.x.x"
    finally:
        s.close()
    return ip

if __name__ == "__main__":
    ip_address = "0.0.0.0"
    sysstr = platform.system()
    if sysstr == "Windows":
        ip_address = socket.gethostbyname(socket.gethostname())
        print "Windows @ " + ip_address
    elif sysstr == "Linux":
        ip_address = getip()
        print "Linux @ " + ip_address
    elif sysstr == "Darwin":
        ip_address = socket.gethostbyname(socket.gethostname())
        print "Mac @ " + ip_address
    else:
        print "Other System @ some ip"