将数字转换中文

  /// <summary>
        /// 将字符串中的数字字符串转换成简体中文
        /// </summary>
        /// <param name="digital"></param>
        /// <returns></returns>
        public static string ConvertDigitalToChinese(string digital)
        {
            char[] chrChinese = { 'Ｏ', '一', '二', '三', '四', '五', '六', '七', '八', '九' };            
            char[] digitalArr = digital.ToCharArray();
            string result = string.Empty;

            foreach (char c in digitalArr)
            {
                switch (c)
                {
                    case '0':
                        result += chrChinese[0].ToString();
                        break;
                    case '1':
                        result += chrChinese[1].ToString();
                        break;

                    case '2':
                        result += chrChinese[2].ToString();
                        break;

                    case '3':
                        result += chrChinese[3].ToString();
                        break;

                    case '4':
                        result += chrChinese[4].ToString();
                        break;

                    case '5':
                        result += chrChinese[5].ToString();
                        break;

                    case '6':
                        result += chrChinese[6].ToString();
                        break;

                    case '7':
                        result += chrChinese[7].ToString();
                        break;

                    case '8':
                        result += chrChinese[8].ToString();
                        break;

                    case '9':
                        result += chrChinese[9].ToString();
                        break;
                    default:
                        result += c.ToString();
                        break;
                }
            }
            return result;
        }
       
        /// <summary>
        /// 将数字转换成简体中文
        /// </summary>
        /// <param name="digital"></param>
        /// <returns></returns>
        public static string ConvertDigitalToChinese(int digital)
        {
            char[] chrChinese = { 'Ｏ', '一', '二', '三', '四', '五', '六', '七', '八', '九' };
            char[] digitalArr = digital.ToString().ToCharArray();
            string result = string.Empty;

            foreach (char c in digitalArr)
            {
                result += chrChinese[c - '0'];
                result += chrChinese[System.Convert.ToInt32(c.ToString())];
            }
            return result;
        }