dom4j格式化xml文件

dom4j格式xml并输出为*.xml文件

public static void main(String[] args) {   
    Document document = DocumentHelper.createDocument();      
    Element employees=document.addElement("employees");      
    Element employee=employees.addElement("employee");      
    Element name= employee.addElement("name");      
    name.setText("jim");      
    Element sex=employee.addElement("sex");      
    sex.setText("male");      
    Element age=employee.addElement("age");      
    age.setText("29");      
    try {      
        OutputFormat format = new OutputFormat();   
        format.setIndent(true);   
        format.setNewlines(true);   
        Writer fileWriter=new FileWriter("F:/test.xml");      
        XMLWriter xmlWriter=new XMLWriter(fileWriter,format);      
        xmlWriter.write(document);      
        xmlWriter.close();                         
    } catch (IOException e) {      
        System.out.println(e.getMessage());      
    }             
}

dom4j格式化xml并格式化输出

public static String formatXml(String str) throws DocumentException, IOException {
	SAXReader reader=new SAXReader();
	StringReader in=new StringReader(str);
	Document doc=reader.read(in);
	OutputFormat formater=OutputFormat.createPrettyPrint();
	formater.setEncoding("UTF-8");
	StringWriter out=new StringWriter();
	XMLWriter writer=new XMLWriter(out,formater);
	writer.write(doc);
	writer.close();
	return out.toString();
}