通过标签名获得节点getNodesByTagName，,/** * Get N

通过标签名获得节点getNodesByTagName，,/** * Get N

/**  * Get Nodes by element tag name from a Document  *   * @param parent - the document root element  * @param tagname - the tag name  * @param - list store the Elements  * @throws IllegalArgumentException  */public void getNodesByTagName(Element parent, String name, List<Element> nodesList) throws IllegalArgumentException {  if (parent == null) {    throw new IllegalArgumentException("The input node can not be null");  }  NodeList children = parent.getChildNodes();  Node node = null;  for (int i = 0; i < children.getLength(); i++) {    node = children.item(i);    if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().equals(name) {      nodeList.add((Element) node);    }    if (node.hasChildNodes()) {      getNodesByTagName((Element) node, name, nodesList);     }}