//1.获取student.xml的path
        String path = JsoupDemo02.class.getClassLoader().getResource("student.xml").getPath();
        //2.解析xml文档，加载文档进内存，获取dom树
        Document document = Jsoup.parse(new File(path), "utf-8");
        System.out.println(document);
        //2.parse (String html):解析xml或html字符串
        String str = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n" +
                "\n" +
                "<students>\n" +
                "    <student number=\"s001\">\n" +
                "        <name>zs</name>\n" +
                "        <age>23</age>\n" +
                "        <sex>male</sex>\n" +
                "    </student>\n" +
                "    \n" +
                "</students>";
        Document document1 = Jsoup.parse(str);
        System.out.println(document1);

 package xml.jsoup;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
import java.io.File;
import java.io.IOException;
public class JsoupDemo03 {
    public static void main(String[] args) throws IOException {
        //1。获取stuent.xml的path
        String path = JsoupDemo02.class.getClassLoader().getResource("student.xml").getPath();
        //2.获取document对象
        Document document = Jsoup.parse(new File(path), "utf-8");
        //3.获取元素对象，获取所有student对象
        Elements elements = document.getElementsByTag("student");
        System.out.println(elements);
        System.out.println("------");
        //4.获取属型名为id的元素对象们
        Elements elementsByAttribute = document.getElementsByAttribute("007");
        System.out.println(elementsByAttribute);
        System.out.println("------");
        //5.获取number属型为s001的对象们
        Elements elementsByAttributeValue = document.getElementsByAttributeValue("number", "s001");
        System.out.println(elementsByAttributeValue);
    }
}

<?xml version="1.0" encoding="UTF-8" ?>
<students>
    <student number="s001">
        <name id="007">zs</name>
        <age>23</age>
        <sex>male</sex>
    </student>
    <student number="s002">
        <name>zs</name>
        <age>23</age>
        <sex>male</sex>
    </student>
</students>

package xml.jsoup;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import java.io.File;
import java.io.IOException;
public class JsoupDemo04 {
    public static void main(String[] args) throws IOException {
        //1。获取stuent.xml的path
        String path = JsoupDemo02.class.getClassLoader().getResource("student.xml").getPath();
        //2.获取document对象
        Document document = Jsoup.parse(new File(path), "utf-8");
        //通过Document对象获取name标签，获取的是所有name标签，可以获取到两个
        Elements name = document.getElementsByTag("name");
        System.out.println(name.size());
        System.out.println("-------------");
        //通过Element对象获取子标签对象
        Element student0 = document.getElementsByTag("student").get(0);
        Elements name1 = student0.getElementsByTag("name");
        System.out.println(name1.size());
        //获取student对象的属型值
        String number = student0.attr("number");
        System.out.println(number);//s001
        //获取文本内容
        String text = name1.text();//获取的是纯文本
        String html = name1.html();
        System.out.println(html);//所有标签体的内容
        System.out.println(text);
    }
}

package xml.jsoup;
import cn.wanghaomiao.xpath.exception.XpathSyntaxErrorException;
import cn.wanghaomiao.xpath.model.JXDocument;
import cn.wanghaomiao.xpath.model.JXNode;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import java.io.File;
import java.io.IOException;
import java.util.List;
public class JsoupDemo05 {
    public static void main(String[] args) throws IOException, XpathSyntaxErrorException{
        //1。获取stuent.xml的path
        String path = JsoupDemo02.class.getClassLoader().getResource("student1.xml").getPath();
        //2.获取document对象
        Document document = Jsoup.parse(new File(path), "utf-8");
        //3.根据document对象，创建xpathdocument对象
        JXDocument jxDocument = new JXDocument(document);
        //4.结合xpath语法查询
        List<JXNode> jxNodes = jxDocument.selN("//student/name");
        for (JXNode jxNode:jxNodes){
            System.out.println(jxNode);
        }
    }
}