利用 JavaBean 读取xml文件

[html]
<PRE class=java name="code">package demo20130531;

import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Article {

    private String title;

    private String author;

    private String email;

    private String date;

    private Authors authors;

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public String getDate() {
        return date;
    }

    public void setDate(String date) {
        this.date = date;
    }

    public Authors getAuthors() {
        return authors;
    }

    public void setAuthors(Authors authors) {
        this.authors = authors;
    }

}
</PRE><BR>
<?xml version="1.0" encoding="UTF-8"?><articles><article><title>hello</title><author>ctl</author><email>ctl_cn@163.com</email><date>1991-06-29</date><authors><age>22</age><sex>M</sex><address>河南</address></authors></article></articles>
<PRE></PRE>
<PRE class=java name="code">package demo20130531;

public class Authors {
    private int age;
    private String sex;//不可以是char类型
    private String address;
    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getSex() {
        return sex;
    }

    public void setSex(String sex) {
        this.sex = sex;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public String toString() {
        return "age:" + age +
                " sex:" + sex +
                " address:" + address;
    }
}
</PRE><BR>
<PRE class=java name="code">package demo20130531;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;

//根元素的标签名为articles
@XmlRootElement(name = "articles")
public class ArticleData {

    //articles元素下有多个article元素
    List<Article> article = new ArrayList<Article>();

    public List<Article> getArticle() {
        return article;
    }

    public void setArticle(List<Article> article) {
        this.article = article;
    }

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

        // 创建xml文档对象，其保存在E盘的根目录下的article.xml文件
        File xmlFile = new File("src2/demo20130531/article.xml");
//      System.out.println(xmlFile.getAbsolutePath());
//      System.out.println(xmlFile.getParent());
        if(!xmlFile.exists())
            xmlFile.createNewFile();
        // 声明JAXBContext上下文对象
        JAXBContext context;
        try {
            // 通过指定映射的类创建上下文
            context = JAXBContext.newInstance(ArticleData.class);
            // 通过上下文创建xml转化java的对象Unmarshaller
            Unmarshaller u = context.createUnmarshaller();
            // 将xml数据转换成java对象
            ArticleData data = (ArticleData) u.unmarshal(xmlFile);
            // 获得所有的article数据
            List<Article> articles = data.getArticle();

补充：软件开发 , Java ,