jsoup获取域名

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

public class Main {
    public static void main(String[] args) {
        try {
            // 连接到目标网页
            Document doc = Jsoup.connect("https://example.com").get();
            
            // 获取所有链接
            Elements links = doc.select("a[href]");
            
            for (Element link : links) {
                String href = link.attr("href");
                String domain = getDomain(href);
                System.out.println("链接: " + href + " -> 域名: " + domain);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    // 获取链接的域名
    private static String getDomain(String url) {
        try {
            java.net.URL uri = new java.net.URL(url);
            String host = uri.getHost();
            if (host != null && !host.isEmpty()) {
                return host.startsWith("www.") ? host.substring(4) : host;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}

Document doc = Jsoup.connect("https://example.com")
                    .timeout(10000) // 设置超时时间为10秒
                    .get();

try {
    Document doc = Jsoup.connect("https://example.com").get();
    // 处理文档
} catch (Exception e) {
    e.printStackTrace();
    // 处理解析错误
}

private static String getDomain(String url) {
    try {
        java.net.URL uri = new java.net.URL(url);
        String host = uri.getHost();
        if (host != null && !host.isEmpty()) {
            return host.startsWith("www.") ? host.substring(4) : host;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}