/*

     * 中文转unicode编码

     */

    public static String gbEncoding(final String gbString) {

        char[] utfBytes = gbString.toCharArray();

        String unicodeBytes = "";

        for (int i = ; i < utfBytes.length; i++) {

            String hexB = Integer.toHexString(utfBytes[i]);

            if (hexB.length() <= ) {

                hexB = "" + hexB;

            }

            unicodeBytes = unicodeBytes + "\\u" + hexB;

        }

        return unicodeBytes;

    }

    /*

     * unicode编码转中文

     */

    public static String decodeUnicode(final String dataStr) {

        int start = ;

        int end = ;

        final StringBuffer buffer = new StringBuffer();

        while (start > -) {

            end = dataStr.indexOf("\\u", start + );

            String charStr = "";

            if (end == -) {

                charStr = dataStr.substring(start + , dataStr.length());

            } else {

                charStr = dataStr.substring(start + , end);

            }

            char letter = (char) Integer.parseInt(charStr, ); // 16进制parse整形字符串。

            buffer.append(new Character(letter).toString());

            start = end;

        }

        return buffer.toString();

    }