//需要的jar包是jsoup-1.10.3.jar //将下面的运行即可 public class JsoupDemo2 { public static void main(String[] args) throws IOException { String baseURL = "http:"; Set<String> imgs = new HashSet<>(); // 储存爬取到的图片地址 Document doc = Jsoup.connect(baseURL).get(); // 选择png|jpg|jpeg图片,,,其实还可以选择gif,只不过要处理下 Elements elements = doc.select("img[src~=(?i)\.(png|jpe?g)]"); for (Element e : elements) { // 替换开头为//为http:// imgs.add(e.attr("src").replaceFirst("^//", "http://")); } for (String img : imgs) { System.out.println(img); try { URL url = new URL(img); URLConnection conn = url.openConnection(); InputStream is = conn.getInputStream(); byte[] bs = new byte[1024]; // 读取到的数据长度 int len; // 输出的文件流 FileOutputStream os = new FileOutputStream("F:\jsoup\"+new Random().nextInt(10000)+".jpg"); // 开始读取 while ((len = is.read(bs)) != -1) { os.write(bs, 0, len); } // 完毕,关闭所有链接 os.close(); is.close(); }catch(Exception e) { e.printStackTrace(); } } } }