public static String splitAndFilterString(String input, int length) {

        if (input == null || input.trim().equals("")) {

            return "";

        }

        // 去掉所有html元素,

        String str = input.replaceAll("\\&[a-zA-Z]{1,10};", "").replaceAll(

                "<[^>]*>", "");

        str = str.replaceAll("[(/>)<]", "");

        int len = str.length();

        if (len <= length) {

            return str;

        } else {

            str = str.substring(, length);

            str += "......";

        }

        return str;

    }