实用的数字转换中文字符(C#) 转

转自http://www.cnitblog.com/hj627/

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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>
 /// <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();
   
 }

}
}

　　

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