Parser parser = new Parser(url);
//*過慮<p>标簽
NodeFilter pfilter = new NodeClassFilter(ParagraphTag.class);
NodeList list = parser.extractAllNodesThatMatch(pfilter);
//*過慮<span>标簽
NodeFilter spanfilter = new NodeClassFilter(Span.class);
NodeList list = parser.extractAllNodesThatMatch(spanfilter);