Hl.Code/MoneyHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Hl.Code
{
    public class MoneyHelper
    {
        #region "私有属性"

        private const string DXSZ = "零壹贰叁肆伍陆柒捌玖";
        private const string DXDW = "毫厘分角元拾佰仟万拾佰仟亿拾佰仟万兆拾佰仟万亿";

        #endregion

        /// <summary>
        /// 转换整数为大写金额
        /// </summary>
        /// <param name="capValue">整数值</param>
        /// <returns>返回大写金额</returns>
        private static string UpperAmountFromInt(string capValue)
        {
            string currCap = "";
            string capResult = "";
            int prevChar = -1;
            int currChar = 0;
            int posIndex = 4;
            if (Convert.ToDouble(capValue) == 0) return "";
            for (int i = capValue.Length - 1; i >= 0; i--)
            {
                currChar = Convert.ToInt16(capValue.Substring(i, 1));
                if (posIndex > 22)
                {
                    break;
                }
                else if (currChar != 0)
                {
                    currCap = DXSZ.Substring(currChar, 1) + DXDW.Substring(posIndex, 1);
                }
                else
                {
                    switch (posIndex)
                    {
                        case 4: currCap = "元"; break;
                        case 8: currCap = "万"; break;
                        case 12: currCap = "亿"; break;
                        case 17: currCap = "兆"; break;
                        default: break;
                    }
                    if (prevChar != 0)
                    {
                        if (currCap != "")
                        {
                            if (currCap != "元") currCap += "零";
                        }
                        else
                        {
                            currCap = "零";
                        }