public static Document transferByNeko(InputStream stream, String charset)    {        if (stream == null)            return null;                if(StringUtils.isEmpty(charset)){            charset = DEFAULT_CHARSET;        }        //NEKOHTML的DOMParser会将html标签转化成大写，是否设置下面的配置都没有意义，解决办法是需要使用xerces的DOMParser//        DOMParser domParser = new DOMParser();//        Document doc = null;//        ByteArrayOutputStream byteOs = null;//        Writer writer = null;//        InputSource inputSource = null;//        DocumentType documentType = null;//        org.w3c.dom.Document document = null;//        DOMReader domReader = null;//        try {//            domParser.setProperty("http://cyberneko.org/html/properties/names/elems", "lower");//            domParser.setProperty("http://cyberneko.org/html/properties/names/attrs", "lower");//            domParser.setProperty("http://cyberneko.org/html/properties/default-encoding", "UTF-8");////            domParser.setFeature("http://xml.org/sax/features/namespaces", false);//            domParser.setFeature("http://cyberneko.org/html/features/balance-tags", true);//            domParser.setFeature("http://cyberneko.org/html/features/scanner/script/strip-comment-delims", false);////            byteOs = new ByteArrayOutputStream();//            writer = new Writer(byteOs, charset);//            XMLDocumentFilter domFilter[] = {//                writer//            };//            domParser.setProperty("http://cyberneko.org/html/properties/filters", domFilter);//            inputSource = new InputSource(new InputStreamReader(stream, Charset.forName(charset)));//            domParser.parse(inputSource);//            document = domParser.getDocument();//            documentType = document.getDoctype();//            if (documentType != null)//                document.removeChild(documentType);//            domReader = new DOMReader();//            doc = domReader.read(document);//        } catch (SAXNotRecognizedException e) {//            e.printStackTrace();//        } catch (SAXNotSupportedException e) {//            e.printStackTrace();//        } catch (UnsupportedEncodingException e) {//            e.printStackTrace();//        } catch (SAXException e) {//            e.printStackTrace();//        } catch (IOException e) {//            e.printStackTrace();//        }finally{//            IOUtils.closeQuietly(byteOs);//            IOUtils.closeQuietly(stream);//        }        //采用xerces的DOMParser        Document doc = null;        DocumentType documentType = null;        org.w3c.dom.Document document = null;        DOMReader domReader = null;        ByteArrayOutputStream byteOs = null;        Writer writer = null;        InputSource inputSource = null;        try {            HTMLConfiguration htmlConfiguration = new HTMLConfiguration();            htmlConfiguration.setProperty("http://cyberneko.org/html/properties/names/elems","lower");            org.apache.xerces.parsers.DOMParser parser = new org.apache.xerces.parsers.DOMParser(htmlConfiguration);            inputSource = new InputSource(new InputStreamReader(stream, Charset.forName(charset)));            parser.parse(inputSource);            document = parser.getDocument();            documentType = document.getDoctype();            if (documentType != null)                document.removeChild(documentType);            domReader = new DOMReader();            doc = domReader.read(document);        } catch (SAXException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }        return doc;    }