public static void main(String[] args) throws UnsupportedEncodingException {    String s = "%E9%BB%98%E9%BB%98%E5%A4%A7";    s = s.replace("%", "");    System.out.println(s);    s = s.replace(" ", "");    byte[] baKeyword = new byte[s.length() / 2];    for (int i = 0; i < baKeyword.length; i++) {        try {            baKeyword[i] = (byte) (0xff & Integer.parseInt(                    s.substring(i * 2, i * 2 + 2), 16));        } catch (Exception e) {            e.printStackTrace();        }    }    try {        s = new String(baKeyword, "utf-8");        System.out.println(s);    } catch (Exception e1) {        e1.printStackTrace();    }}