java map转xml 工具类_工具类--map 转成xml xml转成map

一时失言乱红尘 2022-11-06 07:54 288阅读 0赞

public class WxChatReq \{

/\*\*

\* Map转换成XML

\* @param data

\* @return

\* @throws Exception

\*/

public static String recursionMapToXml(Map data) throws Exception \{

DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

DocumentBuilder documentBuilder= documentBuilderFactory.newDocumentBuilder();

Document document = documentBuilder.newDocument();

Element root = document.createElement("xml");

document.appendChild(root);

for (String key: data.keySet()) \{

String value = data.get(key);

if (value == null) \{

value = "";

value = value.trim();

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();

try \{

writer.close();

catch (Exception ex) \{

ex.printStackTrace();

output = output.substring(output.indexOf("?>")+2,output.length());

return output;

/\*\*

\* XML 字符串转 Map

\* @param xmlStr

\* @return

\*/

public static Map xml2ToMap(String xmlStr) \{

Map map = new HashMap();

if (isNullorEmpty(xmlStr)) \{

throw new IllegalArgumentException("xml is empty");

\} else \{

Document document = null;

try \{

DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

try \{

DocumentBuilder documentBuilder= documentBuilderFactory.newDocumentBuilder();

InputStream is = new ByteArrayInputStream(xmlStr.getBytes());

document =documentBuilder.parse(is);

\} catch (ParserConfigurationException e) \{

log.error(e.getMessage(), e);

\} catch (SAXException e) \{

log.error(e.getMessage(), e);

\} catch (IOException e) \{

log.error(e.getMessage(), e);

Element element = document.getDocumentElement();

if (element != null) \{

NodeList nodeList = element.getChildNodes();

for (int i = 0; i < nodeList.getLength(); i++) \{

Node node = nodeList.item(i);

String nodeName = node.getNodeName();

String nodeText = node.getTextContent();

if("\#text".equals(nodeName))\{

continue;

map.put(nodeName, nodeText);

return map;

public static boolean isNullorEmpty(String xmlStr) \{

if (null == xmlStr || "".equals(xmlStr)) \{

return true;

\} else \{

return false;

public static String createSign(SortedMap map, String key) \{

StringBuffer sb = new StringBuffer();

for (Map.Entry m : map.entrySet()) \{

if ("".equals(m.getValue()) || null == m.getValue()) \{

continue;

sb.append(m.getKey()).append("=").append(m.getValue()).append("&");

sb.append("key=" + key);

return MD5Utils.md5Encode(sb.toString(), "").toUpperCase();

java map转xml 工具类_工具类--map 转成xml xml转成map

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