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08aee07 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | package cn.itcast.xml.jsoup;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
import java.io.File;
import java.io.IOException;
/**
* 快捷查询方式：1、选择器selector
*/
public class JsoupDemo5 {
public static void main(String[] args) throws IOException {
/*
1. selector:选择器
* 使用的方法：Elements select(String cssQuery)
* 语法：参考Selector类中定义的语法
*/
//1、获取document对象
String path = JsoupDemo5.class.getClassLoader().getResource("student1.xml").getPath();
Document document = Jsoup.parse(new File(path), "utf-8");
//2、查询name标签
Elements names = document.select("name");
System.out.println(names);
System.out.println("====================");
//3、查询id值为1的元素
Elements id1 = document.select("#1");
System.out.println(id1);
System.out.println("====================");
//4、获取student标签，并且其number为s001，获取其age子标签
Elements student2 = document.select("student[number='s001'] age");//所有age子标签
System.out.println(student2);
System.out.println("====================");
Elements student3 = document.select("student[number='s001'] > age");//一级age子标签
System.out.println(student3);
System.out.println("====================");
}
}
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