這兩種方式只能從Map<String,String>格式轉為xml格式

第一種：

public static String mapToXml(Map<String, String> data) throws Exception {DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();DocumentBuilder documentBuilder= documentBuilderFactory.newDocumentBuilder();org.w3c.dom.Document document = documentBuilder.newDocument();org.w3c.dom.Element root = document.createElement("request"); //根節點document.appendChild(root);for (String key: data.keySet()) {String value = data.get(key).toString();if (value == null) {value = "";}value = value.trim();org.w3c.dom.Element filed = document.createElement(key);filed.appendChild(document.createTextNode(value));root.appendChild(filed);}TransformerFactory tf = TransformerFactory.newInstance();Transformer transformer = tf.newTransformer();DOMSource source = new DOMSource(document);transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");transformer.setOutputProperty(OutputKeys.INDENT, "yes");StringWriter writer = new StringWriter();StreamResult result = new StreamResult(writer);transformer.transform(source, result);String output = writer.getBuffer().toString(); //.replaceAll("\n|\r", "");try {writer.close();}catch (Exception e) {e.getMessage();}return output;}

第二種：

public static String mapToXml(Map<String, String> map) throws IOException {Document d = DocumentHelper.createDocument();Element root = d.addElement("request"); //根節點Set<String> keys = map.keySet();for(String key:keys) {root.addElement(key).addText(String.valueOf(map.get(key)));}StringWriter sw = new StringWriter();XMLWriter xw = new XMLWriter(sw);xw.setEscapeText(false);xw.write(d);return sw.toString();}

總結

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