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<?xml version="1.0" encoding="utf-8"?>
<root>
<child ID="1"> old </child>
<child ID="2"> old </child>
</root>
--------------------------------------------
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<?xml version="1.0" encoding="utf-8"?>
<root>
<child ID="1"> old </child>
<child ID="3"> new </child> -->ÕâÊÇвåÈëµÄµÄ½Úµã
<child ID="2"> old </child>
</root>
----------------------------------------------------
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SAXReader reader = new SAXReader();
Document doc = reader.read("conf/student.xml");
Element root = doc.getRootElement();
Element zhangsanNode = (Element) root.selectSingleNode(path);
Element cloneE = (Element) zhangsanNode.clone();
cloneE.element("age").setText(Integer.parseInt(cloneE.elementText("age"))+1+"");
Element parent = zhangsanNode.getParent();
parent.elements().add(2, cloneE);
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