/*** 获取xml文件绝对路径*/private String getFilePath() {String fileName = "test.xml";String filePath = System.getProperty("user.dir").replace("\\", "/")return filePath+"/"+fileName;}

    /*** 解析获取xml节点数据*/private Map<String,String> parseXml(String filePath) {File xmlFile = new File(filepath);SAXReader reader = new SAXReader();Map<String,String> paramMap = new HashMap<String,String>();try {Document document = reader.read(xmlFile);Element rootElement = document.getRootElement();Element nameElement = rootElement.element("name");String name = nameElement.getText();paramMap.put("name",name);Element telElement = rootElement.element("tel");String tel = telElement.getText();paramMap.put("tel",tel);Element addressElement = rootElement.element("address");String address = addressElement.getText();paramMap.put("address",address);            } catch (Exception e) {logger.error("解析xml文件出错", e);}return paramMap;}

<?xml version="1.0" encoding="UTF-8"?>
<RootElement><name>黑天鹅</name><tel>12345678</tel><address>反脆弱训练基地</address>
</RootElement>

    /*** xml文件内容解析* * @param fileName* @return map* @throws Exception*/public Map<String, String> parseXmlContent(byte[] fileContent) {Map<String, String> dataMap = new HashMap<String, String>();if (fileContent.length <= 0) {logger.error("获取文件流出错,文件流为空");return null;}try {ByteArrayInputStream input = new ByteArrayInputStream(fileContent);SAXParserFactory parsefactory = SAXParserFactory.newInstance();SAXParser parser = parsefactory.newSAXParser();SAXParseHandler parseHandler = new SAXParseHandler();parser.parse(input, new SAXParseHandler());dataMap = parseHandler.getXmlMap();} catch (Exception e) {System.out.println(e);logger.error("xml文件解析错误", e);return null;}return dataMap;}

class SAXParseHandler extends DefaultHandler {private static Map<String, String> map;private String tagName;private StringBuilder sb;public void startDocument() throws SAXException {super.startDocument();map = new HashMap<String, String>();}public void endDocument() throws SAXException {super.endDocument();}/*** 获取文档属性,内容,执行多次*/public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {super.startElement(uri, localName, qName, attributes);//在此可以获取标签属性内容this.tagName = qName;sb = new StringBuilder();}/*** 获取标签值,执行多次*/public void endElement(String uri, String localName, String qName) throws SAXException {String data = sb.toString();if (StringUtils.isNotBlank(tagName)) {switch (tagName) {case "name":map.put("name", data);break;case "tel":map.put("tel", data);break;case "address":map.put("address", data);break;default:break;}}}public Map<String, String> getXmlMap() {return map;}/*** 获取整个文档数据*/public void characters(char[] ch, int start, int length) throws SAXException {sb.append(new String(ch, start, length));}

    public static void main(String[] args) throws IOException {File file = new File("F:\\test.xml");FileInputStream input = new FileInputStream(file);ByteArrayOutputStream output = new ByteArrayOutputStream();byte[] bt = new byte[1024];int n;while((n = input.read(bt)) != -1){output.write(bt, 0, n);}input.close();output.close();byte[] filebyte = output.toByteArray();XmlParser par = new XmlParser();Map<String, String> dataMap = par.parseXmlContent(filebyte);System.out.println(dataMap);        }