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  @staticmethod
  def getArrayParam(request, key):
    rs = {}
    for k, v in request.POST.iteritems():
      if re.match(key + '\[', k):
        newKey = re.findall(r'\[(.*?)\]', k)
        if len(newKey) == 1:
          rs[newKey[0]] = v
        else:
          if newKey[0] not in rs:
            rs[newKey[0]] = {}  
          else:
            rs[newKey[0]].update({newKey[1]: v})
    return rs