java利用Jsoup库实现jquery处理汽车品牌大全

//pom.xml
	
        
            
            org.jsoup
            jsoup
            1.10.3
        
    

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

public class Test {

    public static void main(String[] args) throws Exception{

        // http://car.bitauto.com/qichepinpai/ 里的一个系列品牌的里

        Document doc = Jsoup.parse(new URL("http://car.bitauto.com/qichepinpai/"),(int) TimeUnit.SECONDS.toMillis(60));

        Elements lis = doc.select("ul.list_pic li a:first-child");
//        System.out.println(lis.size());


        List> carType = new ArrayList<>();
        int max = 0;

        for (Element li : lis) {
            String name = li.attr("title");
            String href = li.attr("href");
//            System.out.println(name+" "+href);

            List oneType = new ArrayList<>();

            oneType.add(name);
            oneType.add(null);

            Document oneTypeDoc = Jsoup.parse(new URL(href), (int) TimeUnit.SECONDS.toMillis(60));
//            System.out.println(oneTypeDoc);

            Elements typelis = oneTypeDoc.select("#data_table_MasterSerialList_0 li.name a");
//            System.out.println(typelis.size());

            for(Element typeli:typelis){
                String typename = typeli.text();

                oneType.add(typename);
            }
//            System.out.println(oneType);

            carType.add(oneType);

            if (oneType.size()>max) max = oneType.size();
        }

        FileOutputStream fos = new FileOutputStream("cattype.txt");
        OutputStreamWriter w = new OutputStreamWriter(fos, "UTF-8");
        BufferedWriter bw = new BufferedWriter(w);


        for (int i = 0; i < max; i++) {
            for (int j = 0; j < carType.size(); j++) {
                List oneType = carType.get(j);

                String one;
                if (i