将xml文档内容封装到对象中

操作的XML文档

<?xml version="1.0" encoding="utf-8"?>

<persons>

<person id = "110">

<name>张三</name>

<age>20</age>

</person>

<person id = "111">

<name>李四</name>

<age>21</age>

</person>
</persons>

import java.io.File;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import org.dom4j.Document;

import org.dom4j.Element;

import org.dom4j.io.SAXReader;

class Person{
int id;
String name;
int age;
public int getId() {
return id;
}
public void setId(String id) {
this.id = Integer.parseInt(id);
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(String age) {
this.age = Integer.parseInt(age);
}
@Override
public String toString() {
return "Person [id=" + id + ", name=" + name + ", age=" + age + "]";
}

}

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

        List<Person> list = new ArrayList<Person>();

SAXReader reader = new SAXReader();
Document doc = reader.read(new File("D:\\Person.xml"));
//读取person标签

Iterator<Element> it = doc.getRootElement().elementIterator();
while(it.hasNext()){
Element elem =it.next();
Person person = new Person();
person.setId(elem.attributeValue("id"));
person.setName(elem.elementText("name"));
person.setAge(elem.elementText("age"));
list.add(person);
}
for(Person p :list){
System.out.println(p);
}
}

}