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代码

void IterChannelNode(const TiXmlNode* nodeUnit, std::vector &vecChannelInfo)
{
 const TiXmlNode* nodeChannelIter = NULL;
 nodeChannelIter = nodeUnit->IterateChildren("Channel", nodeChannelIter);

 do
 {
  if (NULL == nodeChannelIter) break;

  std::string strName = nodeChannelIter->ToElement()->Attribute("name");

  struChannelInfo channelInfo;
  channelInfo.strChannelId = nodeChannelIter->ToElement()->Attribute("id");
  channelInfo.strChannelName = nodeChannelIter->ToElement()->Attribute("name");
  vecChannelInfo.push_back(channelInfo);
  nodeChannelIter = nodeChannelIter->NextSibling();
 } while (1);
}

void IterUnitNode(const TiXmlNode* nodeDevice, std::vector &vecChannelInfo)
{
 const TiXmlNode* nodeUnitIter = NULL;
 nodeUnitIter = nodeDevice->IterateChildren("UnitNodes", nodeUnitIter);
 do
 {
  if (NULL == nodeUnitIter) break;

  IterChannelNode(nodeUnitIter, vecChannelInfo);
  nodeUnitIter = nodeUnitIter->NextSibling();
 } while (1);
}

int IterDeviceInfo(const std::string &strXML, std::vector &vecChannelInfo)
{
 if (strXML.empty()) return -1;

 TiXmlDocument doc;
 doc.LoadFile(strXML.c_str());

 TiXmlElement* root = doc.FirstChildElement();
 if (NULL == root) return -1;

 const TiXmlNode* nodeDevices = NULL;
 nodeDevices = root->IterateChildren("Devices", nodeDevices);
 if (NULL == nodeDevices) return -1;

 const TiXmlNode* nodeDevice = NULL;
 nodeDevice = nodeDevices->IterateChildren("Device", nodeDevice);

 do
 {
  if (NULL == nodeDevice) break;
  //访问第一个节点
  std::string strTypeId = nodeDevice->ToElement()->Attribute("type");
  std::cout << strTypeId << std::endl;
  IterUnitNode(nodeDevice, vecChannelInfo);
  nodeDevice = nodeDevice->NextSibling();

 } while (1);

 return 0;
}

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