java，

java，

private String printXml(Document document) {
StringWriter sw = new StringWriter();
OutputFormat format = OutputFormat.createPrettyPrint();//创建一个漂亮个格式
format.setSuppressDeclaration(true);//去掉文件头
XMLWriter xmlWriter = new XMLWriter(sw,format); //整形
try {
xmlWriter.write(document);
xmlWriter.close();
System.out.println(sw.toString());
sw.close();
} catch (IOException e) {
e.printStackTrace();
}
return sw.toString();
}