首页javajsoupJava HTML/XML - 如何提取背景的链接,jsoup

Java HTML/XML - 如何提取背景的链接,jsoup

我们想知道如何提取背景的链接,jsoup。
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) {
        String html = "<html><head></head><body><div class=\"post_video\" style=\"background-image:url(http://img.youtube.com/vi/JFf3uazyXco/2.jpg);\"></body></html>";

        Document doc = Jsoup.parse( html );
        Elements elements = doc.getElementsByClass("post_video");

        for( Element e : elements ) {
            String attr = e.attr("style");
            System.out.println( attr );
        }
    }

}