public static void main(String[] args) throws Exception {
//创建一个空的Document对象
Document doc = DocumentHelper.createDocument();
//创建一个根元素
Element stus = doc.addElement("students");
//创建子元素
Element name = stus.addElement("name");
//为子元素赋值
name.setText("张三");
Element sex = stus.addElement("sex");
sex.setText("男");
Element age = stus.addElement("age");
age.setText("20");
Element phone = stus.addElement("phone");
phone.setText("1222334455");
//创建输出语句对象,将对应的文档内容格式化
OutputFormat of = OutputFormat.createPrettyPrint();
//将创建的xml文件写入到文档中
XMLWriter writer = new XMLWriter(new FileWriter("/students.xml"),of);
//写入
writer.write(doc);
//刷新
writer.flush();
//关闭流
writer.close();
}