求一数字转中文的代码

[xlg888]

例如:12345 转成:壹万贰千叁百肆十伍
0.23 转成: 零点贰叁
-0.23 负零点贰叁

万亿的时候不能出错

[cnidb]

http://www.google.cn/search?hl=zh-CN&q=c%23+%E6%95%B0%E5%AD%97%E8%BD%AC%E4%B8%AD%E6%96%87&btnG=Google+%E6%90%9C%E7%B4%A2&meta=&aq=3&oq=

google一下，好多。
可以参考一下

[人生就是赌]

提供一个转换类

/// <summary>
        /// 数字转换为人民币大写
        /// </summary>
        private static string[] cstr ={ "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
        private static string[] wstr ={ "", "", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟" };
        private static string[] xstr ={ "角", "分" };
        /// <summary>
        /// 数字转换为人民币大写
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string ConvertToRMB(string value)
        {
            bool flag = false;
            if (!Regex.IsMatch(value, @"^-?\d{0,11}.?\d{0,2}$", RegexOptions.IgnoreCase))
            {
                return string.Empty;
            }
            if (value.StartsWith("-"))
            {
                flag = true;
                value = value.Substring(1);
            }
            int leftLength = 0, rightLength = 0, strLength = 0, i = 0;
            strLength = value.Length;
            leftLength = value.IndexOf('.');
            string tmpstr = string.Empty, rstr = string.Empty, xrstr = string.Empty, leftStr = string.Empty, rightStr = string.Empty;
            if (leftLength > 0)
            {
                rightLength = strLength - leftLength - 1;
                leftStr = value.Substring(0, leftLength);
                rightStr = value.Substring(leftLength + 1, rightLength);
                for (i = 1; i <= leftLength; i++)
                {
                    tmpstr = leftStr.Substring(leftLength - i, 1);
                    rstr = string.Concat(cstr[Int32.Parse(tmpstr)] + wstr[i], rstr);
                }
                rstr = rstr + "圆";
                if (rightLength > 0)
                {
                    for (i = 0; i < rightLength; i++)
                    {
                        tmpstr = rightStr.Substring(i, 1);
                        rstr = string.Concat(rstr, cstr[Int32.Parse(tmpstr)] + xstr[i]);
                    }
                }
            }
            else
            {
                leftStr = value;
                leftLength = value.Length;
                for (i = 1; i <= leftLength; i++)
                {
                    tmpstr = leftStr.Substring(leftLength - i, 1);
                    rstr = string.Concat(cstr[Int32.Parse(tmpstr)] + wstr[i], rstr);
                }
            }
            rstr = rstr.Replace("拾零", "拾");
            rstr = rstr.Replace("零拾", "零");
            rstr = rstr.Replace("零佰", "零");
            rstr = rstr.Replace("零仟", "零");
            rstr = rstr.Replace("零萬", "萬");
            for (i = 1; i <= 6; i++)
                rstr = rstr.Replace("零零", "零");
            rstr = rstr.Replace("零萬", "零");
            rstr = rstr.Replace("零億", "億");
            rstr = rstr.Replace("零零", "零");
            rstr += "整";
            if (flag)
                rstr = "负" + rstr;
            return rstr;
        }