JavaWeb / Fore_End /XML /src /cn /itcast /xml /jsoup /JsoupDemo6.java

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package cn.itcast.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;

/**
 * 快速查询方式：2、XPath
 */
public class JsoupDemo6 {
    public static void main(String[] args) throws IOException, XpathSyntaxErrorException {
        /*
            2. XPath：XPath即为XML路径语言，它是一种用来确定XML（标准通用标记语言的子集）文档中某部分位置的语言
				* 使用Jsoup的Xpath需要额外导入jar包。
         */
        //1、获取document对象
        String path = JsoupDemo6.class.getClassLoader().getResource("student1.xml").getPath();
        Document document = Jsoup.parse(new File(path), "utf-8");

        //2、根据document对象，创建JXDocument对象
        JXDocument jxDocument = new JXDocument(document);

        //3、结合XPath语法查询 -- 查询所有student标签 //student
        List<JXNode> jxNodes = jxDocument.selN("//student");
        for (JXNode jxNode : jxNodes) {
            System.out.println(jxNode);
        }
        System.out.println("=======================");

        //4、查询所有student下的 name标签
        List<JXNode> jxNodes2 = jxDocument.selN("//student/name");
        for (JXNode jxNode : jxNodes2) {
            System.out.println(jxNode);
        }
        System.out.println("=======================");

        //5、查询student下的，带有id的name标签
        List<JXNode> jxNodes3 = jxDocument.selN("//student/name[@id]");
        for (JXNode jxNode : jxNodes3) {
            System.out.println(jxNode);
        }
        System.out.println("=======================");

        //6、查询student下的，id为1的name标签
        List<JXNode> jxNodes4 = jxDocument.selN("//student/name[@id='1']");
        for (JXNode jxNode : jxNodes4) {
            System.out.println(jxNode);
        }
        System.out.println("=======================");

    }
}

	package cn.itcast.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;

	/**
	* 快速查询方式：2、XPath
	*/
	public class JsoupDemo6 {
	public static void main(String[] args) throws IOException, XpathSyntaxErrorException {
	/*
	2. XPath：XPath即为XML路径语言，它是一种用来确定XML（标准通用标记语言的子集）文档中某部分位置的语言
	* 使用Jsoup的Xpath需要额外导入jar包。
	*/
	//1、获取document对象
	String path = JsoupDemo6.class.getClassLoader().getResource("student1.xml").getPath();
	Document document = Jsoup.parse(new File(path), "utf-8");

	//2、根据document对象，创建JXDocument对象
	JXDocument jxDocument = new JXDocument(document);

	//3、结合XPath语法查询 -- 查询所有student标签 //student
	List<JXNode> jxNodes = jxDocument.selN("//student");
	for (JXNode jxNode : jxNodes) {
	System.out.println(jxNode);
	}
	System.out.println("=======================");

	//4、查询所有student下的 name标签
	List<JXNode> jxNodes2 = jxDocument.selN("//student/name");
	for (JXNode jxNode : jxNodes2) {
	System.out.println(jxNode);
	}
	System.out.println("=======================");

	//5、查询student下的，带有id的name标签
	List<JXNode> jxNodes3 = jxDocument.selN("//student/name[@id]");
	for (JXNode jxNode : jxNodes3) {
	System.out.println(jxNode);
	}
	System.out.println("=======================");

	//6、查询student下的，id为1的name标签
	List<JXNode> jxNodes4 = jxDocument.selN("//student/name[@id='1']");
	for (JXNode jxNode : jxNodes4) {
	System.out.println(jxNode);
	}
	System.out.println("=======================");

	}
	}