配置xml文档books:

设计book类:

解析测试代码:

package mypack;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.junit.Test;

import java.util.ArrayList;
import java.util.List;

/**
 * @auther CodeYourself
 * @create 2021-07-06-10:29
 */
public class myTestMode {
    List<book>ar=new ArrayList<>();
    @Test
    public void test1()throws Exception{
        //创建xml读取流SAXReader对象
        SAXReader sr=new SAXReader();
        //读取xml文件获取文档对象
        Document dc=sr.read("xml/books.xml");
        //获取根元素
        Element el=dc.getRootElement();
        List<Element> elements = el.elements("book");
        for(Element x:elements){
            //查找属性
            String id=x.attribute("sn").getValue();
            //查找内容
            String name=x.elementText("name");
            String auther=x.elementText("auther");
            double price=Double.parseDouble(x.elementText("price"));
            ar.add(new book(id,name,auther,price));
        }
        for(book x:ar){
            System.out.println(x);
        }
    }

}

解析结果: