将string 数组装换成字符串

    public String convert2str(String[] data) {

        StringBuffer result = new StringBuffer();

        result.append("[");

        if (data != null && data.length > 0) {

            for (String d : data) {

                if (result.length() > 1) {

                    result.append(",");

                }

                result.append("\"").append(d).append("\"");

            }

        }

        result.append("]");

        return result.toString();

    }

}