@Test public void testWrite() { String xmlFile = System.getProperty("user.dir") + "/config.xml"; Document doc = DocumentHelper.createDocument(); Element root = doc.addElement("roots"); root.addElement("test").setText("test123"); Element element = root.addElement("iqq"); element.addElement("version").setText("iqqv3"); // 测试XmlUtils try { XmlUtils.writeXml(xmlFile, doc); } catch (IOException e) { e.printStackTrace(); } }