unicode转码

   /**
     * @param string
     * @return 转换之后的内容
     * @Title: unicodeDecode
     * @Description: unicode解码 将Unicode的编码转换为中文
     */
    public String unicodeDecode(String string) {
        Pattern pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))");
        Matcher matcher = pattern.matcher(string);
        char ch;
        while (matcher.find()) {
            ch = (char) Integer.parseInt(matcher.group(2), 16);
            string = string.replace(matcher.group(1), ch + "");
        }
        return string;
    }