java/实验二（延展）/ImageCrawler.java

package crawler;

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

public class ImageCrawler extends BaseCrawler {

    public ImageCrawler(String url) {
        super(url);
    }

    @Override
    public void crawl() {
        try {
            Document doc = getDocument();
            Elements imgs = doc.select("img[src]");

            System.out.println("\n===== 图片爬取完成 =====");
            System.out.println("URL：" + url);
            System.out.println("找到图片数量：" + imgs.size());

            for (int i = 0; i < Math.min(5, imgs.size()); i++) {
                String src = imgs.get(i).attr("abs:src");
                System.out.println("图片" + (i + 1) + "：" + src);
            }
        } catch (Exception e) {
            System.err.println("图片爬取失败：" + e.getMessage());
        }
    }
}