c# 数字转换中文字符的代码

/// 数字转换为中文字符
/// site http://www.jb200.com
using System;
using System.Collections.Generic;
using System.Text;

namespace CW
{
   public class Cash
   {
     private static string MoneyNum = "零一二三四五六七八九";
     private static string MoneyUnit = "十百千万十百千亿";
     private static string CashUnit = "元角分整";
     private static string[] BeforeReplace = new string[] {  MoneyNum[0].ToString() + MoneyNum[0].ToString(),
                                                              MoneyUnit[7].ToString() + MoneyNum[0].ToString() + MoneyUnit[3].ToString() ,
                                                              MoneyNum[0].ToString() + MoneyUnit[3].ToString(),
                                                              MoneyNum[0].ToString() + MoneyUnit[7].ToString(),
                                                              MoneyUnit[7].ToString() + MoneyUnit[3].ToString(),
                                                              MoneyNum[0].ToString() + MoneyNum[0].ToString(),
                                                              MoneyNum[0].ToString() + CashUnit[1].ToString() + MoneyNum[0].ToString() + CashUnit[2].ToString(),
                                                              MoneyNum[0].ToString() + CashUnit[2].ToString()
                                                         };
    private static string[] AfterReplace = new string[] {  MoneyNum[0].ToString(),
                                                                MoneyUnit[7].ToString() + MoneyNum[0].ToString(),
                                                               MoneyUnit[3].ToString() + MoneyNum[0].ToString(),
                                                                MoneyUnit[7].ToString() + MoneyNum[0].ToString(),
                                                                MoneyUnit[7].ToString() + MoneyNum[0].ToString(),
                                                                MoneyNum[0].ToString(),
                                                              String.Empty,
                                                                String.Empty
                                                             };

 /**//// <summary>
 /// 字符串替换方法，另外一种是以 4 个数字为基础的递归方法
/// Create By HJ 2007-10-21
/// </summary>
3/// <param name="moneyNum"></param>
/// <returns></returns>
public static string getCash(decimal moneyNum)
{
     string intNum, point;
    /**////取整数部分
   intNum = Convert.ToString(Math.Floor(moneyNum));      
    /**////取小数部分
    point = Convert.ToString(Math.Floor(moneyNum * 100)); 
 point = point.Substring(point.Length - 2);

 /**////计算整数部分
   for (int i = 0; i < MoneyNum.Length; i++)
  {
     intNum = intNum.Replace(i.ToString(), MoneyNum[i].ToString());
 }
  int intNumLength = intNum.Length;
          for (int i = intNumLength - 1; i > 0; i--)
         {   /**////根据位数把单位加上
         ///如果是零则不加单位，但是 万  和  亿 需要加上
              if (intNum[i - 1] == MoneyNum[0] && (intNumLength - i + 7) % 8 != 3 && (intNumLength - i + 7) % 8 != 7) continue;
              intNum = intNum.Insert(i, MoneyUnit[(intNumLength - i + 7) % 8].ToString());
           }

         /**////加上 角 和 分 的单位
        intNum += CashUnit[0].ToString() + MoneyNum.Substring(Convert.ToInt16(point[0].ToString()), 1) + CashUnit[1].ToString() + MoneyNum.Substring(Convert.ToInt16(point[1].ToString()), 1) + CashUnit[2].ToString();
      /**////替换  零零 -> 零  亿零万  ->  亿零，零万  ->  万零，零亿 -> 亿零，亿万 -> 亿零，零角零分 - > ""，零分 - > ""，零零 -> 零，再调用一次，确保 亿零万 替换后的情况
         for (int i = 0; i < BeforeReplace.Length; i++)
         {
               while(intNum.IndexOf(BeforeReplace[i])>-1)
               {
                  intNum = intNum.Replace(BeforeReplace[i], AfterReplace[i]);
               }
            }
          /**////最后的 零 去掉
         if (intNum.EndsWith(MoneyNum[0].ToString())) intNum = intNum.Substring(0, intNum.Length - 1);

          return intNum + CashUnit[3].ToString();
       }
   }
}