def get_alive_port(program):
 """
  获取目标程序占用的端口
  :param program {string} 目标进程
  :return portlist {list} 目标进程占用的端口列表
 """
 cmd = 'wmic process where caption="%s" get commandline /value' % program
 ps = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True)
 portlist = []
 while True:
  out = ps.stdout.readline()
  if out:
   out = out.decode("gb2312")
   templist = re.findall("[0-9]{4,5}", out)
   portlist.extend(templist)
  else:
   break
 return portlist

def howmuch_memory(program):
 """
  监控目标进程内存是否超过阀值，若超过则关闭
 """
 cmd = 'wmic process where caption="%s" get processid /value' % program
 ps = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True)
 pids = []
 while True:
  out = ps.stdout.readline()
  if out:
   out = out.decode("gb2312")
   templist = re.findall("[0-9]{3,6}", out)
   pids.extend(templist)
  else:
   break
 for pid in pids:
  try:
   p = psutil.Process(int(pid))
   p_memory = p.memory_info()
   if int(p_memory.rss / (1024 * 1024)) >= 200:
    p.kill()
  except Exception as e:
   print("出现如下错误:{0}".format(e))
   continue