dom4j 修改xml并写入磁盘

来源：互联网发布：charles 修改请求数据编辑：程序博客网时间：2024/06/05 19:33
public class LogWriter {private static final String PATH = "e://log.xml";/** * 写入log.xml *  * @param st *            执行action前时间 * @param et *            执行action后时间 * @param ac *            action类名 * @param res *            执行结果result */public void log(String st, String et, String ac, String res) {SAXReader reader = new SAXReader();try {File logXML = new File(PATH);Document doc;Element root;if (logXML.exists()) {doc = reader.read(new File(PATH));root = doc.getRootElement();}else {//不存在log.xmldoc = DocumentHelper.createDocument();root = doc.addElement("log");}Element action = root.addElement("action");Element name = action.addElement("name");name.setText(ac);Element stime = action.addElement("s-time");stime.setText(st);Element etime = action.addElement("e-time");etime.setText(et);Element result = action.addElement("result");result.setText(res);writeXML(doc);} catch (DocumentException e) {e.printStackTrace();}}/** * 将修改的log.xml写入磁盘 *  * @param doc *            修改过的log.xml文件 */private void writeXML(Document doc) {OutputFormat format = OutputFormat.createPrettyPrint();format.setEncoding("utf-8");XMLWriter writer = null;try {writer = new XMLWriter(new FileWriter(new File(PATH)), format);doc.normalize();writer.write(doc);writer.flush();writer.close();} catch (IOException e) {e.printStackTrace();}}}
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