xml写入

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

List list = new ArrayList();

list.add(new Emp(1,"jacky",22,"男",3000));

list.add(new Emp(2,"tom",24,"男",4000));

list.add(new Emp(3,"kate",28,"女",5000));

list.add(new Emp(4,"boss",32,"男",30000));

/**

* 生成xml步骤：

* 1、创建文档对象Document

* 2、为Document添加根节点

* 3、为根节点组建树桩结构

* 4、创建xmlWriter

* 5、为xmlWriter指定写出目标

* 6、写出xml

*/

Document doc =DocumentHelper.createDocument();

Element root =doc.addElement("list");

for(Emp emp:list){

Element ele = root.addElement("emp");

ele.addElement("name").addText(emp.getName());

ele.addElement("age").addText(emp.getAge()+"");

ele.addElement("gender").addText(emp.getGender());

ele.addElement("salary").addText(emp.getSalary()+"");

ele.addAttribute("id", emp.getId()+"");

}

XMLWriter writer = new XMLWriter();

try {

FileOutputStream fos = new FileOutputStream("myemp.xml");

writer.setOutputStream(fos);

writer.write(doc);

writer.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

}

}

}