转换人民币大小金额

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using System;

using System.Collections.Generic;

using System.Text;

namespace AIMSCommon {     /// <summary>     /// Rmb 的摘要说明。     /// </summary>     public class Rmb     {         /// <summary>         /// 转换人民币大小金额         /// </summary>         /// <param name="num">金额</param>         /// <returns>返回大写形式</returns>         public static string CmycurD(decimal num)         {             string str1 = "零壹贰叁肆伍陆柒捌玖";            //0-9所对应的汉字             string str2 = "万仟佰拾亿仟佰拾万仟佰拾元角分"; //数字位所对应的汉字             string str3 = "";    //从原num值中取出的值             string str4 = "";    //数字的字符串形式             string str5 = "";  //人民币大写金额形式             int i;    //循环变量             int j;    //num的值乘以100的字符串长度             string ch1 = "";    //数字的汉语读法             string ch2 = "";    //数字位的汉字读法             int nzero = 0;  //用来计算连续的零值是几个             int temp;            //从原num值中取出的值

            num = Math.Round(Math.Abs(num), 2);    //将num取绝对值并四舍五入取2位小数             str4 = ((long)(num * 100)).ToString();        //将num乘100并转换成字符串形式             j = str4.Length;      //找出最高位             if (j > 15) { return "溢出"; }             str2 = str2.Substring(15 - j);   //取出对应位数的str2的值。如：200.55,j为5所以str2=佰拾元角分

            //循环取出每一位需要转换的值             for (i = 0; i < j; i++)             {                 str3 = str4.Substring(i, 1);          //取出需转换的某一位的值                 temp = Convert.ToInt32(str3);      //转换为数字                 if (i != (j - 3) && i != (j - 7) && i != (j - 11) && i != (j - 15))                 {                     //当所取位数不为元、万、亿、万亿上的数字时                     if (str3 == "0")                     {                         ch1 = "";                         ch2 = "";                         nzero = nzero + 1;                     }                     else                     {                         if (str3 != "0" && nzero != 0)                         {                             ch1 = "零" + str1.Substring(temp * 1, 1);                             ch2 = str2.Substring(i, 1);                             nzero = 0;                         }                         else                         {                             ch1 = str1.Substring(temp * 1, 1);                             ch2 = str2.Substring(i, 1);                             nzero = 0;                         }                     }                 }                 else                 {                     //该位是万亿，亿，万，元位等关键位                     if (str3 != "0" && nzero != 0)                     {                         ch1 = "零" + str1.Substring(temp * 1, 1);                         ch2 = str2.Substring(i, 1);                         nzero = 0;                     }                     else                     {                         if (str3 != "0" && nzero == 0)                         {                             ch1 = str1.Substring(temp * 1, 1);                             ch2 = str2.Substring(i, 1);                             nzero = 0;                         }                         else                         {                             if (str3 == "0" && nzero >= 3)                             {                                 ch1 = "";                                 ch2 = "";                                 nzero = nzero + 1;                             }                             else                             {                                 if (j >= 11)                                 {                                     ch1 = "";                                     nzero = nzero + 1;                                 }                                 else                                 {                                     ch1 = "";                                     ch2 = str2.Substring(i, 1);                                     nzero = nzero + 1;                                 }                             }                         }                     }                 }                 if (i == (j - 11) || i == (j - 3))                 {                     //如果该位是亿位或元位，则必须写上                     ch2 = str2.Substring(i, 1);                 }                 str5 = str5 + ch1 + ch2;

                if (i == j - 1 && str3 == "0")                 {                     //最后一位（分）为0时，加上“整”                     str5 = str5 + ‘整‘;                 }             }             if (num == 0)             {                 str5 = "零元整";             }             return str5;         }

        /**/         /// <summary>         /// 一个重载，将字符串先转换成数字在调用CmycurD(decimal num)         /// </summary>         /// <param name="num">用户输入的金额，字符串形式未转成decimal</param>         /// <returns></returns>         public static string CmycurD(string numstr)         {             try             {                 decimal num = Convert.ToDecimal(numstr);                 return CmycurD(num);             }             catch             {                 return "非数字形式！";             }         }     }

}

转换人民币大小金额

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原文地址：http://www.cnblogs.com/zhangxiaolei521/p/5660530.html