WebClient web = new WebClient(BrowserVersion.CHROME);

    web.setIncorrectnessListener(new IncorrectnessListener() {
        @Override
        public void notify(String arg0, Object arg1) {
        }
    });
    web.setCssErrorHandler(new ErrorHandler() {

        @Override
        public void warning(CSSParseException arg0) throws CSSException {
        }

        @Override
        public void fatalError(CSSParseException arg0) throws CSSException {
        }

        @Override
        public void error(CSSParseException arg0) throws CSSException {
        }
    });

    web.setJavaScriptErrorListener(new JavaScriptErrorListener() {

        @Override
        public void loadScriptError(HtmlPage arg0, URL arg1, Exception arg2) {
            System.out.println(arg2.getMessage());
            System.out.println(arg0.asXml());
            System.out.println(arg1.getRef());
            try {
                Thread.sleep(3000000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

        @Override
        public void malformedScriptURL(HtmlPage arg0, String arg1,
                MalformedURLException arg2) {
        }

        @Override
        public void scriptException(HtmlPage arg0, ScriptException arg1) {
            System.out.println(arg0.asXml());
            System.out.println(arg1.getMessage());
            try {
                Thread.sleep(3000000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

        @Override
        public void timeoutError(HtmlPage arg0, long arg1, long arg2) {
        }
    });

    web.setHTMLParserListener(new HTMLParserListener() {

        @Override
        public void warning(String arg0, URL arg1, String arg2, int arg3,
                int arg4, String arg5) {
            // TODO Auto-generated method stub
        }

        @Override
        public void error(String arg0, URL arg1, String arg2, int arg3,
                int arg4, String arg5) {
            // TODO Auto-generated method stub

        }
    });


    兄台 看懂没有。

这样 更好

webClient.setAlertHandler(new AlertHandler() {

        @Override
        public void handleAlert(Page page, String message) {
            System.out.println(message);

        }
    });