public static void main(String[] args) throws Exception {

//建立一個空的Document物件

Document doc = DocumentHelper.createDocument();

//建立一個根元素

Element stus = doc.addElement("students");

//建立子元素

Element name = stus.addElement("name");

//為子元素賦值

name.setText("張三");

Element sex = stus.addElement("sex");

sex.setText("男");

Element age = stus.addElement("age");

age.setText("20");

Element phone = stus.addElement("phone");

phone.setText("1222334455");

//建立輸出語句物件,將對應的文件內容格式化

OutputFormat of = OutputFormat.createPrettyPrint();

//將建立的xml檔案寫入到文件中

XMLWriter writer = new XMLWriter(new FileWriter("/students.xml"),of);

//寫入

writer.write(doc);

//重新整理

writer.flush();

//關閉流

writer.close();

}