JDOM和DOM4J解析XML文件

jdom-2.0.6.zip

import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.input.SAXBuilder;
import java.io.File;
import java.util.List;
public class JDOM {
    public static void main(String[] args){
        try {
            //获取builder对象,工人创建document对象
            SAXBuilder builder=new SAXBuilder();
            File file=new File("src/testxml/school.xml");
            Document document= builder.build(file);
            //读取school.xml中的根标记,获取school标签中的属性
            Element school= document.getRootElement();
            String schoolID= school.getAttributeValue("id");
            String schoolName= school.getAttributeValue("name");
            System.out.println(schoolID+"---"+schoolName);
            //获取school标记的子元素，children是多个的孩子,class有好几个
            List<Element> classLisst= school.getChildren("class");
            for(Element classElement:classLisst){
                String classID=classElement.getAttributeValue("id");
                String className=classElement.getAttributeValue("name");
                System.out.println("\t"+classID+"---"+className);
                Element teacher=classElement.getChild("teacher");
                Element teacherSex=teacher.getChild("sex");
                //纯文本信息,两种方法
                String sex1= teacherSex.getText();
                String sex2=teacher.getChildText("sex");
                System.out.println("\t\t"+className+ "班级老师的性别是"+sex1);
                System.out.println("\t\t再说一遍"+className+ "班级老师的性别是"+sex2);
            }
        }catch (Exception e) {
            e.printStackTrace();
        }
    }
}

dom4j-2.1.1.jar

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import java.io.File;
import java.util.List;
public class DOM4J {
    public static void main(String[] args) {
        try {
            //创建一个解析对象,可以理解为之前的builder对象
            SAXReader reader=new SAXReader();
            File file=new File("src/testxml/school.xml");
            Document document= reader.read(file);
            //读取school.xml中的根标记,获取school标签中的属性
            Element school= document.getRootElement();
            String schoolID= school.attributeValue("id");
            String schoolName= school.attributeValue("name");
            System.out.println(schoolID+"---"+schoolName);
            //获取school标记的子元素，children是多个的孩子,class有好几个
            List<Element> classLisst= school.elements("class");
            for(Element classElement:classLisst){
                String classID=classElement.attributeValue("id");
                String className=classElement.attributeValue("name");
                System.out.println("\t"+classID+"---"+className);
                Element teacher=classElement.element("teacher");
                Element teacherSex=teacher.element("sex");
                //纯文本信息,两种方法
                String sex1= teacherSex.getText();
                String sex2=teacher.elementText("sex");
                System.out.println("\t\t"+className+ "班级老师的性别是"+sex1);
                System.out.println("\t\t再说一遍"+className+ "班级老师的性别是"+sex2);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}