工具：IEDA

MAVEN模板

导入Jsoup包

package cn;

import org.jsoup.Jsoup;

import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author yeqv
 * @program A2
 * @Classname a3
 * @Date 2022/1/14 22:33
 * @Email w16638771062@163.com
 */
public class a3 {//查询身份证号归属地

    public static void main(String[] args) {
        String id = "511181200109256813";
        String u = "https://qq.ip138.com/idsearch/index.asp?userid=" + id + "&action=idcard";
        System.out.println(id);
        try {
            //爬取网页信息
            String t = Jsoup.connect(u).get().toString();
            //定义正则模板
            Pattern pattern = Pattern.compile("[\\u4e00-\\u9fa5\\s]+?<br>");
            Pattern pattern1 = Pattern.compile("男|女");
            Pattern pattern2 = Pattern.compile("\\d{4}年\\d{2}月\\d{2}日");
            //创建匹配器
            Matcher matcher1 = pattern1.matcher(t);
            Matcher matcher2 = pattern2.matcher(t);
            Matcher matcher = pattern.matcher(t);
            //匹配字符串，成功返回true
            matcher1.find();
            matcher2.find();
            //根据匹配器匹配的返回值返回字符串
            System.out.println(matcher1.group());
            System.out.println(matcher2.group());
            matcher.find();
            //返回字符串并删除<br> 
            System.out.println(matcher.group().replace("<br>", "").replace(" ", ""));

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}