JAVA XML 开源工具 XOM 很好用
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/**序列化**/import java.io.BufferedOutputStream;import java.io.FileOutputStream;import java.io.OutputStream;import java.util.Arrays;import java.util.List;import nu.xom.Document;import nu.xom.Element;import nu.xom.Serializer;public class Person {private String first , last;public Person(String first, String last){this.first = first;this.last = last;}public Element getXML(){Element person = new Element("person");Element firstName = new Element("first");firstName.appendChild(first);Element lastName = new Element("last");lastName.appendChild(last);person.appendChild(firstName);person.appendChild(lastName);return person;}public Person(Element person){first = person.getFirstChildElement("first").getValue();last = person.getFirstChildElement("last").getValue();}public String toString(){return first + " " + last;}public static void format(OutputStream os,Document doc)throws Exception{Serializer serializer = new Serializer(os,"UTF-8");serializer.setIndent(4);//怎么缩进serializer.setMaxLength(600);serializer.write(doc);//写出serializer.flush();//清空缓存}public static void main(String[] args) throws Exception {List<Person> people = Arrays.asList(new Person("Dr . Bunsen","Honeydew"),new Person("Gonzo", "The Great"),new Person("Phillip", "Fry"));System.out.println(people);Element root = new Element("people");for(Person p : people){root.appendChild(p.getXML());}Document doc = new Document(root);format(System.out, doc);format(new BufferedOutputStream(new FileOutputStream("People.xml")), doc);}}/**反序列化**/import java.io.IOException;import java.util.ArrayList;import nu.xom.Builder;import nu.xom.Document;import nu.xom.Elements;import nu.xom.ParsingException;import nu.xom.ValidityException;public class People extends ArrayList<Person>{public People(String xmlFile) throws ValidityException, ParsingException, IOException{Document document = new Builder().build(xmlFile);Elements eles = document.getRootElement().getChildElements();for(int i = 0 ; i < eles .size(); i++){add(new Person(eles.get(i)));}}public static void main(String[] args) throws ValidityException, ParsingException, IOException {People people = new People("People.xml");System.out.println(people);}}