ASP.NET C# 货币转换函数 中文大写金额 英文金额

 

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
// 静态中文转换方法     String GetCnString(String MoneyString)
// 最大转化金额         9999999999999999.99  （16位整数位，2位小数位）
// 方法返回值           转换成功则返回非零长字串,否则返回零长字串

// 静态英文转换方法     String GetEnString(String MoneyString)
// 最大转化金额         999999999999999.99   （15位整数位，2位小数位）
// 方法返回值           转换成功则返回非零长字串,否则返回零长字串

using System;

public class Money
{

    private static readonly String cnNumber = "零壹贰叁肆伍陆柒捌玖";
    private static readonly String cnUnit = "分角元拾佰仟万拾佰仟亿拾佰仟兆拾佰仟";

  

  //  private static readonly String[] enSmallNumber = { "", "ONE", "TWO", "THREE", "FOUR", "FIVE", "SIX", "SEVEN", "EIGHT", "NINE", "TEN", "ELEVEN", "TWELVE", "THIRTEEN", "FOURTEEN", "FIFTEEN", "SIXTEEN", "SEVENTEEN", "EIGHTEEN", "NINETEEN" };
 //   private static readonly String[] enLargeNumber = { "TWENTY", "THIRTY", "FORTY", "FIFTY", "SIXTY", "SEVENTY", "EIGHTY", "NINETY" };
  //  private static readonly String[] enUnit = { "", "THOUSAND", "MILLION", "BILLION", "TRILLION" };

 private static readonly String[] enSmallNumber = { "", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten", "Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen" };
    private static readonly String[] enLargeNumber = { "Twenty", "Thirty", "forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety" };
    private static readonly String[] enUnit = { "", "Thousand", "Million", "Billion", "Trillion" };

    // 以下是货币金额中文大写转换方法
    public  String GetCnString(String MoneyString)
    {
        String[] tmpString = MoneyString.Split('.');
        String intString = MoneyString;   // 默认为整数
        String decString = "";            // 保存小数部分字串
        String rmbCapital = "";            // 保存中文大写字串
        int k;
        int j;
        int n;

        if (tmpString.Length > 1)
        {
            intString = tmpString[0];             // 取整数部分
            decString = tmpString[1];             // 取小数部分
        }
        decString += "00";
        decString = decString.Substring(0, 2);   // 保留两位小数位
        intString += decString;

        try
        {
            k = intString.Length - 1;
            if (k > 0 && k < 18)
            {
                for (int i = 0; i <= k; i++)
                {
                    j = (int)intString[i] - 48;
                    // rmbCapital = rmbCapital + cnNumber[j] + cnUnit[k-i];     // 供调试用的直接转换
                    n = i + 1 >= k ? (int)intString[k] - 48 : (int)intString[i + 1] - 48; // 等效于 if( ){ }else{ }
                    if (j == 0)
                    {
                        if (k - i == 2 || k - i == 6 || k - i == 10 || k - i == 14)
                        {
                            rmbCapital += cnUnit[k - i];
                        }
                        else
                        {
                            if (n != 0)
                            {
                                rmbCapital += cnNumber[j];
                            }
                        }
                    }
                    else
                    {
                        rmbCapital = rmbCapital + cnNumber[j] + cnUnit[k - i];
                    }
                }

                rmbCapital = rmbCapital.Replace("兆亿万", "兆");
                rmbCapital = rmbCapital.Replace("兆亿", "兆");
                rmbCapital = rmbCapital.Replace("亿万", "亿");
                rmbCapital = rmbCapital.TrimStart('元');
                rmbCapital = rmbCapital.TrimStart('零');

                return rmbCapital;
            }
            else
            {
                return "";   // 超出转换范围时，返回零长字串
            }
        }
        catch
        {
            return "";   // 含有非数值字符时，返回零长字串
        }
    }

    // 以下是货币金额英文大写转换方法
    public  String GetEnString(String MoneyString)
    {
        String[] tmpString = MoneyString.Split('.');
        String intString = MoneyString;   // 默认为整数
        String decString = "";            // 保存小数部分字串
        String engCapital = "";            // 保存英文大写字串
        String strBuff1;
        String strBuff2;
        String strBuff3;
        int curPoint;
        int i1;
        int i2;
        int i3;
        int k;
        int n;

        if (tmpString.Length > 1)
        {
            intString = tmpString[0];             // 取整数部分
            decString = tmpString[1];             // 取小数部分
        }
        decString += "00";
        decString = decString.Substring(0, 2);   // 保留两位小数位

        try
        {
            // 以下处理整数部分
            curPoint = intString.Length - 1;
            if (curPoint >= 0 && curPoint < 15)
            {
                k = 0;
                while (curPoint >= 0)
                {
                    strBuff1 = "";
                    strBuff2 = "";
                    strBuff3 = "";
                    if (curPoint >= 2)
                    {
                        n = int.Parse(intString.Substring(curPoint - 2, 3));
                        if (n != 0)
                        {
                            i1 = n / 100;            // 取佰位数值
                            i2 = (n - i1 * 100) / 10;    // 取拾位数值
                            i3 = n - i1 * 100 - i2 * 10;   // 取个位数值
                            if (i1 != 0)
                            {
                           //    strBuff1 = enSmallNumber[i1] + " HUNDRED ";

                                strBuff1 = enSmallNumber[i1] + " Hundred ";
                            }
                            if (i2 != 0)
                            {
                                if (i2 == 1)
                                {
                                    strBuff2 = enSmallNumber[i2 * 10 + i3] + " ";
                                }
                                else
                                {
                                    strBuff2 = enLargeNumber[i2 - 2] + " ";
                                    if (i3 != 0)
                                    {
                                        strBuff3 = enSmallNumber[i3] + " ";
                                    }
                                }
                            }
                            else
                            {
                                if (i3 != 0)
                                {
                                    strBuff3 = enSmallNumber[i3] + " ";
                                }
                            }

                            engCapital = strBuff1 + strBuff2 + strBuff3 + enUnit[k] + " " + engCapital;
                        }
                    }
                    else
                    {
                        n = int.Parse(intString.Substring(0, curPoint + 1));
                        if (n != 0)
                        {
                            i2 = n / 10;      // 取拾位数值
                            i3 = n - i2 * 10;   // 取个位数值
                            if (i2 != 0)
                            {
                                if (i2 == 1)
                                {
                                    strBuff2 = enSmallNumber[i2 * 10 + i3] + " ";
                                }
                                else
                                {
                                    strBuff2 = enLargeNumber[i2 - 2] + " ";
                                    if (i3 != 0)
                                    {
                                        strBuff3 = enSmallNumber[i3] + " ";
                                    }
                                }
                            }
                            else
                            {
                                if (i3 != 0)
                                {
                                    strBuff3 = enSmallNumber[i3] + " ";
                                }
                            }
                            engCapital = strBuff2 + strBuff3 + enUnit[k] + " " + engCapital;
                        }
                    }

                    ++k;
                    curPoint -= 3;
                }
                engCapital = engCapital.TrimEnd();
            }

            // 以下处理小数部分
            strBuff2 = "";
            strBuff3 = "";
            n = int.Parse(decString);
            if (n != 0)
            {
                i2 = n / 10;      // 取拾位数值
                i3 = n - i2 * 10;   // 取个位数值
                if (i2 != 0)
                {
                    if (i2 == 1)
                    {
                        strBuff2 = enSmallNumber[i2 * 10 + i3] + " ";
                    }
                    else
                    {
                        strBuff2 = enLargeNumber[i2 - 2] + " ";
                        if (i3 != 0)
                        {
                            strBuff3 = enSmallNumber[i3] + " ";
                        }
                    }
                }
                else
                {
                    if (i3 != 0)
                    {
                        strBuff3 = enSmallNumber[i3] + " ";
                    }
                }

                // 将小数字串追加到整数字串后
                if (engCapital.Length > 0)
                {

                    //engCapital = engCapital + " AND CENTS " + strBuff2 + strBuff3;   // 有整数部分时

                    engCapital = engCapital + " And Cents " + strBuff2 + strBuff3;   // 有整数部分时
                }
                else
                {

                     //engCapital = "CENTS " + strBuff2 + strBuff3;   // 只有小数部分时

                    engCapital = "Cents " + strBuff2 + strBuff3;   // 只有小数部分时
                }
            }

            engCapital = engCapital.TrimEnd();
            return engCapital;
        }
        catch
        {
            return "";   // 含非数字字符时，返回零长字串
        }
    }
}