public static void browsingSpider(int page, int max_pages) throws Exception {
        while (page <= max_pages) {
            String url = base_url + String.valueOf(page) + "/" + search;
            final Document document = Jsoup.connect(url)
                    .userAgent("Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36")
                    .referrer("https://google.com")
                    .get();
            //System.out.println(url);
            //System.out.println(document.outerHtml());
             for(Element link: document.select("a")) {
                 final String get_url = link.attr("abs:href");
                 final String relHref = link.attr("href");
                 System.out.println(get_url);
                 System.out.println(relHref);
                 String href = "https://e621.net" + get_url;
                 System.out.println(href);
             }
             page = page + 1;
        }
    }
}