DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = factory.newDocumentBuilder(); Document document = builder.parse(inputStream); Element element = document.getDocumentElement(); NodeList dataNodes = ((Element)element.getElementsByTagName("Application").item(0)).getChildNodes(); for(int i = 0; i < dataNodes.getLength(); i++){ if("Version".equals(dataNodes.item(i).getNodeName())){ System.err.println("版本信息 : " + dataNodes.item(i).getFirstChild().getNodeValue()); }else if("ChkUpdate".equals(dataNodes.item(i).getNodeName())){ System.err.println("版本信息 : " + dataNodes.item(i).getFirstChild().getNodeValue()); }else if("DownLoad".equals(dataNodes.item(i).getNodeName())){ System.err.println("版本信息 : " + dataNodes.item(i).getFirstChild().getNodeValue()); } } <?xml version="1.0" encoding="UTF-8"?> <Applications> <Application> <Version>1.7</Version> <ChkUpdate>baidu.com</ChkUpdate> <DownLoad>sohu.com</DownLoad> </Application> </Applications>