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急求

写一个程序,语言不限,能将人民币金额从阿拉伯数字转换为大写汉字表示。例如,把1234.56转换为壹仟贰佰叁拾肆圆零伍角陆分 --------------------编程问答--------------------
先百度http://www.baidu.com/s?wd=C%23%BD%F0%B6%EE%D0%A1%D0%B4%D7%AA%B4%F3%D0%B4 --------------------编程问答--------------------

/// <summary>金额转大写
    /// 
    /// </summary>
    public class MoneyConvertChinese
    {
        /// <summary>金额转大写
        /// 
        /// </summary>
        /// <param name="LowerMoney"></param>
        /// <returns></returns>
        public string MoneyToChinese(string LowerMoney)
        {
            string functionReturnValue = null;
            bool IsNegative = false; // 是否是负数
            if (LowerMoney.Trim().Substring(0, 1) == "-")
            {
                // 是负数则先转为正数
                LowerMoney = LowerMoney.Trim().Remove(0, 1);
                IsNegative = true;
            }
            string strLower = null;
            string strUpart = null;
            string strUpper = null;
            int iTemp = 0;
            // 保留两位小数 123.489→123.49  123.4→123.4
            LowerMoney = Math.Round(double.Parse(LowerMoney), 2).ToString();
            if (LowerMoney.IndexOf(".") > 0)
            {
                if (LowerMoney.IndexOf(".") == LowerMoney.Length - 2)
                {
                    LowerMoney = LowerMoney + "0";
                }
            }
            else
            {
                LowerMoney = LowerMoney + ".00";
            }
            strLower = LowerMoney;
            iTemp = 1;
            strUpper = "";
            while (iTemp <= strLower.Length)
            {
                switch (strLower.Substring(strLower.Length - iTemp, 1))
                {
                    case ".":
                        strUpart = "圆";
                        break;
                    case "0":
                        strUpart = "零";
                        break;
                    case "1":
                        strUpart = "壹";
                        break;
                    case "2":
                        strUpart = "贰";
                        break;
                    case "3":
                        strUpart = "叁";
                        break;
                    case "4":
                        strUpart = "肆";
                        break;
                    case "5":
                        strUpart = "伍";
                        break;
                    case "6":
                        strUpart = "陆";
                        break;
                    case "7":
                        strUpart = "柒";
                        break;
                    case "8":
                        strUpart = "捌";
                        break;
                    case "9":
                        strUpart = "玖";
                        break;
                }

                switch (iTemp)
                {
                    case 1:
                        strUpart = strUpart + "分";
                        break;
                    case 2:
                        strUpart = strUpart + "角";
                        break;
                    case 3:
                        strUpart = strUpart + "";
                        break;
                    case 4:
                        strUpart = strUpart + "";
                        break;
                    case 5:
                        strUpart = strUpart + "拾";
                        break;
                    case 6:
                        strUpart = strUpart + "佰";
                        break;
                    case 7:
                        strUpart = strUpart + "仟";
                        break;
                    case 8:
                        strUpart = strUpart + "万";
                        break;
                    case 9:
                        strUpart = strUpart + "拾";
                        break;
                    case 10:
                        strUpart = strUpart + "佰";
                        break;
                    case 11:
                        strUpart = strUpart + "仟";
                        break;
                    case 12:
                        strUpart = strUpart + "亿";
                        break;
                    case 13:
                        strUpart = strUpart + "拾";
                        break;
                    case 14:
                        strUpart = strUpart + "佰";
                        break;
                    case 15:
                        strUpart = strUpart + "仟";
                        break;
                    case 16:
                        strUpart = strUpart + "万";
                        break;
                    default:
                        strUpart = strUpart + "";
                        break;
                }

                strUpper = strUpart + strUpper;
                iTemp = iTemp + 1;
            }

            strUpper = strUpper.Replace("零拾", "零");
            strUpper = strUpper.Replace("零佰", "零");
            strUpper = strUpper.Replace("零仟", "零");
            strUpper = strUpper.Replace("零零零", "零");
            strUpper = strUpper.Replace("零零", "零");
            strUpper = strUpper.Replace("零角零分", "整");
            strUpper = strUpper.Replace("零分", "整");
            strUpper = strUpper.Replace("零角", "零");
            strUpper = strUpper.Replace("零亿零万零圆", "亿圆");
            strUpper = strUpper.Replace("亿零万零圆", "亿圆");
            strUpper = strUpper.Replace("零亿零万", "亿");
            strUpper = strUpper.Replace("零万零圆", "万圆");
            strUpper = strUpper.Replace("零亿", "亿");
            strUpper = strUpper.Replace("零万", "万");
            strUpper = strUpper.Replace("零圆", "圆");
            strUpper = strUpper.Replace("零零", "零");

            // 对壹圆以下的金额的处理
            if (strUpper.Substring(0, 1) == "圆")
            {
                strUpper = strUpper.Substring(1, strUpper.Length - 1);
            }
            if (strUpper.Substring(0, 1) == "零")
            {
                strUpper = strUpper.Substring(1, strUpper.Length - 1);
            }
            if (strUpper.Substring(0, 1) == "角")
            {
                strUpper = strUpper.Substring(1, strUpper.Length - 1);
            }
            if (strUpper.Substring(0, 1) == "分")
            {
                strUpper = strUpper.Substring(1, strUpper.Length - 1);
            }
            if (strUpper.Substring(0, 1) == "整")
            {
                strUpper = "零圆整";
            }
            functionReturnValue = strUpper;

            if (IsNegative == true)
            {
                return "负" + functionReturnValue;
            }
            else
            {
                return functionReturnValue;
            }
        }
    }
测试代码:

        static void Main(string[] args)
        {
            Console.Write("请输入要转成大写的数字:");
            string str = Console.ReadLine();
            Console.WriteLine("大写:" + new MoneyConvertChinese().MoneyToChinese(str));
            Console.ReadLine();
        }
--------------------编程问答-------------------- using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WinUI
{
    class qz
    {
        public string ConvertSum(string str)
        {
            if (!IsPositveDecimal(str))
                return "输入的不是正数字!";
            if (Double.Parse(str) > 999999999999.99)
                return "数字太大,无法换算,请输入一万亿元以下的金额";
            char[] ch = new char[1];
            ch[0] = '.'; //小数点 
            string[] splitstr = null; //定义按小数点分割后的字符串数组 
            splitstr = str.Split(ch[0]);//按小数点分割字符串 
            if (splitstr.Length == 1) //只有整数部分 
                return ConvertData(str) + "圆整";
            else //有小数部分 
            {
                string rstr;
                rstr = ConvertData(splitstr[0]) + "圆";//转换整数部分 
                rstr += ConvertXiaoShu(splitstr[1]);//转换小数部分 
                return rstr;
            }
        }

        public bool IsPositveDecimal(string str)
        {
            Decimal d;
            try
            {
                d = Decimal.Parse(str);
            }
            catch (Exception)
            {
                return false;
            }
            if (d >= 0)
                return true;
            else
                return false;
        }

        public string ConvertData(string str)
        {
            string tmpstr = "";
            string rstr = "";
            int strlen = str.Length;
            if (strlen <= 4)//数字长度小于四位 
            {
                rstr = ConvertDigit(str);

            }
            else
            {
                if (strlen <= 8)//数字长度大于四位,小于八位 
                {
                    tmpstr = str.Substring(strlen - 4, 4);//先截取最后四位数字 
                    rstr = ConvertDigit(tmpstr);//转换最后四位数字 
                    tmpstr = str.Substring(0, strlen - 4);//截取其余数字 
                    //将两次转换的数字加上萬后相连接 
                    rstr = String.Concat(ConvertDigit(tmpstr) + "萬", rstr);
                    rstr = rstr.Replace("零零", "零");
                }
                else
                    if (strlen <= 12)//数字长度大于八位,小于十二位 
                    {
                        tmpstr = str.Substring(strlen - 4, 4);//先截取最后四位数字 
                        rstr = ConvertDigit(tmpstr);//转换最后四位数字 
                        tmpstr = str.Substring(strlen - 8, 4);//再截取四位数字 
                        rstr = String.Concat(ConvertDigit(tmpstr) + "萬", rstr);
                        tmpstr = str.Substring(0, strlen - 8);
                        rstr = String.Concat(ConvertDigit(tmpstr) + "億", rstr);
                        rstr = rstr.Replace("零億", "億");
                        rstr = rstr.Replace("零萬", "零");
                        rstr = rstr.Replace("零零", "零");
                        rstr = rstr.Replace("零零", "零");
                    }
            }
            strlen = rstr.Length;
            if (strlen >= 2)
            {
                switch (rstr.Substring(strlen - 2, 2))
                {
                    case "佰零": rstr = rstr.Substring(0, strlen - 2) + "佰"; break;
                    case "仟零": rstr = rstr.Substring(0, strlen - 2) + "仟"; break;
                    case "萬零": rstr = rstr.Substring(0, strlen - 2) + "萬"; break;
                    case "億零": rstr = rstr.Substring(0, strlen - 2) + "億"; break;
                }
            }
            return rstr;
        }

        public string ConvertXiaoShu(string str)
        {
            int strlen = str.Length;
            string rstr;
            if (strlen == 1)
            {
                rstr = ConvertChinese(str) + "角";
                return rstr;
            }
            else
            {
                string tmpstr = str.Substring(0, 1);
                rstr = ConvertChinese(tmpstr) + "角";
                tmpstr = str.Substring(1, 1);
                rstr += ConvertChinese(tmpstr) + "分";
                rstr = rstr.Replace("零分", "");
                rstr = rstr.Replace("零角", "");
                return rstr;
            }
        }

        public string ConvertDigit(string str)
        {
            int strlen = str.Length;
            string rstr = "";
            switch (strlen)
            {
                case 1: rstr = ConvertChinese(str); break;
                case 2: rstr = Convert2Digit(str); break;
                case 3: rstr = Convert3Digit(str); break;
                case 4: rstr = Convert4Digit(str); break;
            }
            rstr = rstr.Replace("拾零", "拾");
            strlen = rstr.Length;
            return rstr;
        }
        /// 
        /// 转换四位数字 
        /// 
        public string Convert4Digit(string str)
        {
            string str1 = str.Substring(0, 1);
            string str2 = str.Substring(1, 1);
            string str3 = str.Substring(2, 1);
            string str4 = str.Substring(3, 1);
            string rstring = "";
            rstring += ConvertChinese(str1) + "仟";
            rstring += ConvertChinese(str2) + "佰";
            rstring += ConvertChinese(str3) + "拾";
            rstring += ConvertChinese(str4);
            rstring = rstring.Replace("零仟", "零");
            rstring = rstring.Replace("零佰", "零");
            rstring = rstring.Replace("零拾", "零");
            rstring = rstring.Replace("零零", "零");
            rstring = rstring.Replace("零零", "零");
            rstring = rstring.Replace("零零", "零");
            return rstring;
        }

        /// 
        /// 转换三位数字 
        /// 
        public string Convert3Digit(string str)
        {
            string str1 = str.Substring(0, 1);
            string str2 = str.Substring(1, 1);
            string str3 = str.Substring(2, 1);
            string rstring = "";
            rstring += ConvertChinese(str1) + "佰";
            rstring += ConvertChinese(str2) + "拾";
            rstring += ConvertChinese(str3);
            rstring = rstring.Replace("零佰", "零");
            rstring = rstring.Replace("零拾", "零");
            rstring = rstring.Replace("零零", "零");
            rstring = rstring.Replace("零零", "零");
            return rstring;
        }

        /// 
        /// 转换二位数字 
        /// 
        public string Convert2Digit(string str)
        {
            string str1 = str.Substring(0, 1);
            string str2 = str.Substring(1, 1);
            string rstring = "";
            rstring += ConvertChinese(str1) + "拾";
            rstring += ConvertChinese(str2);
            rstring = rstring.Replace("零拾", "零");
            rstring = rstring.Replace("零零", "零");
            return rstring;
        }

        /// 
        /// 将一位数字转换成中文大写数字 
        /// 
        public string ConvertChinese(string str)
        {
            //"零壹贰叁肆伍陆柒捌玖拾佰仟萬億圆整角分" 
            string cstr = "";
            switch (str)
            {
                case "0": cstr = "零"; break;
                case "1": cstr = "壹"; break;
                case "2": cstr = "贰"; break;
                case "3": cstr = "叁"; break;
                case "4": cstr = "肆"; break;
                case "5": cstr = "伍"; break;
                case "6": cstr = "陆"; break;
                case "7": cstr = "柒"; break;
                case "8": cstr = "捌"; break;
                case "9": cstr = "玖"; break;
            }
            return (cstr);
        }
    }

}
--------------------编程问答-------------------- 参考这个...
http://topic.csdn.net/u/20080829/14/78b8f797-9e5b-4b77-a32f-9c1c90368265.html?74658 --------------------编程问答-------------------- 有没有什么简单一点的算法
--------------------编程问答-------------------- http://www.cnblogs.com/xue5ya/archive/2009/04/04/1429477.html
完全符合你要求 --------------------编程问答-------------------- http://topic.csdn.net/u/20090714/19/463928cd-946b-4594-8e0c-39febe87eb13.html?36449 --------------------编程问答--------------------
补充:.NET技术 ,  C#
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