/**

* 將字符串的xml轉換成org.w3c.dom.Document對象

* @param xml

* @return

*/

public static Document getDocument(String xml) {

Document document = null;

try {

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

DocumentBuilder db = dbf.newDocumentBuilder();

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

document = db.parse(is);

} catch (Exception e) {

e.printStackTrace();

}

return document;

}

/**

* 將org.w3c.dom.Document對象寫入到指定文件

*

* @param doc

* @param fileName

* @throws Exception

*/

private static void outputXml(Document doc, String fileName) {

try {

TransformerFactory tf = TransformerFactory.newInstance();

Transformer transformer = tf.newTransformer();

DOMSource source = new DOMSource(doc);

transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");

transformer.setOutputProperty(OutputKeys.INDENT, "yes");//增加換行縮進，但此時縮進默認為0

transformer.setOutputProperty("{https://xml.apache.org/xslt}indent-amount", "2");//設置縮進為2

PrintWriter pw = new PrintWriter(( new OutputStreamWriter( new FileOutputStream(fileName), "UTF-8")));

StreamResult result = new StreamResult(pw);

transformer.transform(source, result);

} catch (Exception e) {

e.printStackTrace();

}

}

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