?1/**?*//**Factory?Pattern?
?2?*?DocumentBuilderFactory.newInstance().DocumentBuilder();
?3?*?DocumentBuilder.parse(File)?-->?Document;
?4?*?(Element?extends?Node)?
?5?*?Document.getDocumentElement().getNodeName()?-->?Root!;
?6?*/
?7
?8import?javax.xml.parsers.DocumentBuilderFactory;
?9import?javax.xml.parsers.DocumentBuilder;
10import?java.io.File;
11import?javax.xml.parsers.FactoryConfigurationError;
12import?org.w3c.dom.Document;
13import?org.w3c.dom.Node;
14import?org.w3c.dom.Element;
15import?org.w3c.dom.NodeList;
16
17public?class?FirstXML?{
18????/**?*//**
19?????*?@param?args
20?????*/
21????public?static?void?main(String[]?args)?{
22????????//?TODO?Auto-generated?method?stub
23????????try?{
24????????????DocumentBuilderFactory?dbf?=??DocumentBuilderFactory.newInstance();
25????????????DocumentBuilder?db?=?dbf.newDocumentBuilder();
26????????????Document?doc?=?db.parse(new?File("D:\\eclipse\\WS\\testXML\\user.xml"));
27????????????/**//*System.out.println(doc.getTextContent());
28????????????System.out.println(doc.getDoctype());
29????????????System.out.println(doc.getDocumentURI());
30????????????System.out.println(doc.getNodeType());
31????????????System.out.println(doc.getXmlEncoding());
32????????????System.out.println(doc.getXmlVersion());*/
33????????????
34????????????//Roots
35????????????Node?no?=?doc.getDocumentElement();
36????????????System.out.println(no.getNodeName());
37????????????NodeList?nl?=?doc.getElementsByTagName("user");
38????????????//System.out.println(no.getTextContent());?????????//Context
39????????????for(int?i=0;?i<nl.getLength();?i++)?{
40????????????????System.out.println("userName:?"?+?
41????????????????????????doc.getElementsByTagName("name").item(i).getTextContent());
42????????????????System.out.println("sex:?"?+?
43????????????????????????doc.getElementsByTagName("sex").item(i).getTextContent());
44????????????}
45????????}catch(Exception?e)?{?e.printStackTrace();}
46????}
47}
48