检测QQ在线状态脚本（20141022测试成功）

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import time,datetime    import urllib2   def chk_qq(qqnum):     chkurl = 'http://wpa.paipai.com/pa?p=1:'+`qqnum`+':17'     a = urllib2.urlopen(chkurl)        length=a.headers.get("content-length")        a.close()        print datetime.datetime.now()     print length       if length=='2348':            return 'Online'       elif length=='2205':            return 'Offline'       else:            return 'Unknown Status!'  def writestate(statenow):     f=open(str(qq),'a')     m=str(datetime.datetime.now())+"===state===="+statenow+"\n\r"     f.write(m)     f.close()   qq = 12345678 ##state=1 if __name__=='__main__':       while 1:         stat = chk_qq(qq)         writestate(stat)         time.sleep(6000) ##5分钟测一次         print `qq` + ' is ' + stat