什么事情都可以拖一拖，没必要那么着急，事缓则圆。努力去做自己该做的，但是不要期待回报，不是付出了就会有回报的，做了就不要后悔，不做才后悔。
今天写了一个获取当前公网ip并且自动断开宽带连接的文件，和大家分享下。
这个文件的具体用途大家懂的，可以尽管拿去用，不过目前只适用于Windows平台，我的Python版本是2.7的，win32ras模块需要下载pywin32。
代码如下：
#!coding: cp936
import win32ras
import time,os
def Connect(dialname, account, passwd):
dial_params = (dialname, '', '', account, passwd, '')
return win32ras.Dial(None, None, dial_params, None)
def DialBroadband():
dialname = '宽带连接' #just a name
account = '********'
passwd = '****************'
try:
#handle is a pid, for disconnect or showipadrress, if connect success return 0.
#account is the username that your ISP supposed, passwd is the password.
handle, result = Connect(dialname, account, passwd)
if result == 0:
print "Connection success!"
return handle, result
else:
print "Connection failed, wait for 5 seconds and try again..."
time.sleep(5)
DialBroadband()
except:
print "Can't finish this connection, please check out."
return
def Disconnect(handle):
if handle != None:
try:
win32ras.HangUp(handle)
print "Disconnection success!"
return "success"
except:
print "Disconnection failed, wait for 5 seconds and try again..."
time.sleep(5)
Disconnect()
else:
print "Can't find the process!"
return
def Check_for_Broadband():
connections = []
connections = win32ras.EnumConnections()
if(len(connections) == 0):
print "The system is not running any broadband connection."
return
else:
print "The system is running %d broadband connection." % len(connections)
return connections
def ShowIpAddress(handle):
print win32ras.GetConnectStatus(handle)
data = os.popen("ipconfig","r").readlines()
have_ppp = 0
ip_str = None
for line in data:
if line.find("宽带连接")>=0:
have_ppp = 1
#if your system language is English, you should write like this:
#if have_ppp and line.strip().startswith("IP Address"):
#in othewords, replace the "IPv4 地址" to "IP Address"
if have_ppp and line.strip().startswith("IPv4 地址"):
ip_str = line.split(":")[1].strip()
have_ppp = 0
print ip_str
#get my ipaddress anf disconnect broadband connection.
def main():
data = Check_for_Broadband()
#if exist running broadband connection, disconnected it.
if data != None:
for p in data:
ShowIpAddress(p[0])
if(Disconnect(p[0]) == "success"):
print "%s has been disconnected." % p[1]
time.sleep(3)
else:
pid, res = DialBroadband()
ShowIpAddress(pid)
time.sleep(3)
Disconnect(pid)
return "finsh test"
test = main()
print test
基本的注释都有，大家可以自己参考。
总结
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