1         URL url = new URL("http://www.douban.com/accounts/login");
 2         URLConnection conn  = url.openConnection();
 3         //得到服務(wù)器返回的html連接 轉(zhuǎn)化成的html的對象
 4         Source source = new Source(conn);
 5         
 6         List<Element> inputElements = source.getAllElements("input");
 7         for(Element input: inputElements){
 8             if("captcha-id".equals(input.getAttributeValue("name"))){
 9                 String id  = input.getAttributeValue("value");
10                 String path = "http://www.douban.com/misc/captcha?id="+id+"&amp;size=s";
11                 System.out.println("驗(yàn)證碼圖片的地址為:"+path);
12             }
13         }