C#实现，C++实现 阿拉伯数字金额转换为中文大写金额

 

//--------数字转换大写函数---------//
    //把数字金额转换成中文大写数字的函数  
    function changeNumMoneyToChinese(money)
    {
        var cnNums = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"); //汉字的数字
        var cnIntRadice = new Array("", "拾", "佰", "仟"); //基本单位
        var cnIntUnits = new Array("", "万", "亿", "兆"); //对应整数部分扩展单位
        var cnDecUnits = new Array("角", "分", "毫", "厘"); //对应小数部分单位
        var cnInteger = "整"; //整数金额时后面跟的字符
        var cnIntLast = "元"; //整型完以后的单位
        var maxNum = 999999999999999.9999; //最大处理的数字
        var IntegerNum; //金额整数部分
        var DecimalNum; //金额小数部分
        var ChineseStr = ""; //输出的中文金额字符串
        var parts; //分离金额后用的数组，预定义
        if (money == "") {
            return "";
        }
        money = parseFloat(money);
        if (money >= maxNum) {
            alert('超出最大处理数字');
            return "";
        }
        if (money == 0) {
            ChineseStr = cnNums[0] + cnIntLast + cnInteger;
            return ChineseStr;
        }
        money = money.toString(); //转换为字符串
        if (money.indexOf(".") == -1) {
            IntegerNum = money;
            DecimalNum = '';
        } else {
            parts = money.split(".");
            IntegerNum = parts[0];
            DecimalNum = parts[1].substr(0, 4);
        }
        if (parseInt(IntegerNum, 10) > 0) { //获取整型部分转换
            var zeroCount = 0;
            var IntLen = IntegerNum.length;
            for (var i = 0; i < IntLen; i++) {
                var n = IntegerNum.substr(i, 1);
                var p = IntLen - i - 1;
                var q = p / 4;
                var m = p % 4;
                if (n == "0") {
                    zeroCount++;
                } else {
                    if (zeroCount > 0) {
                        ChineseStr += cnNums[0];
                    }
                    zeroCount = 0; //归零
                    ChineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
                }
                if (m == 0 && zeroCount < 4) {
                    ChineseStr += cnIntUnits[q];
                }
            }
            ChineseStr += cnIntLast;
            //整型部分处理完毕
        }
        if (DecimalNum != '') { //小数部分
            var decLen = DecimalNum.length;
            for (var i = 0; i < decLen; i++) {
                var n = DecimalNum.substr(i, 1);
                if (n != '0') {
                    ChineseStr += cnNums[Number(n)] + cnDecUnits[i];
                }
            }
        }
        if (ChineseStr == '') {
            ChineseStr += cnNums[0] + cnIntLast + cnInteger;
        } else if (DecimalNum == '') {
            ChineseStr += cnInteger;
        }
        return ChineseStr;
    }

//----------------------------------------------------------------//

//------------------------C++实现------------------------------//
//----------------------------------------------------------------//

#include <iostream>
#include <string>
#include <stdlib.h>
using namespace std;

string ConvertMoneyCaps(long double moneySum)
{
    long int temp_i = (long int)moneySum;  /**//* 整数部分 */
    float temp_f = moneySum - temp_i; /**//* 小数部分 */
    int digit = 0, i, j, k, num_i;
    string money("");
    char num[20], *p;
    char name[][3] = {"元","拾","佰","仟","万","亿"};
    char numchar[][3] = {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};
    ltoa(temp_i, num, 10);  /**//* 整数部分转换成字符串后在处理 */
    p = num;
    digit = strlen(num);            /**//* 整数部分位数 */
    /**//*--------处理整数部分 start--------*/
    for(i = 1; i <= digit; i ++)
    {
        k = (digit - i) % 4;
        if(isdigit(*p))
        {
            num_i = *p & 0xF; /* 把字符转换成数字,比如 '0'-> 0,'1' -> 1*/
            /**//*--------转换数字开始---------*/
            if(num_i)
            {
                money = money+ numchar[num_i];
            }
            else
            {
                if(k && (*(p + 1) &0xF))
                    money += "零";
            }
            /**//*--------转换数字结束-------*/
            /**//*---------添加计数单位开始----*/
            if(k)
            {
                if(num_i)
                money = money + name[k];
            }
            else
            {
                j = digit - i;
                if(j)
                    money = money + name[j/4 + 3];
                else
                    money += "元";
            }
            /**//*--------添加计数单位结束--------*/
            p++;
        }
        else
        {
            money = "遇到非数字退出!";
            return money;
        }
    }
    /**//*--------处理整数部分 End --------*/
    /**//*--------处理小数部分 start--------*/
    if(temp_f > 0.01)
    {
        if((int)(temp_f*10)) money = money + numchar[(int)(temp_f*10)] + "角";
        if((int)(temp_f*100)%10) money = money + numchar[(int)(temp_f*100)%10] + "分";
    }
    /**//*--------处理小数部分 End--------*/
    money += "整";

    return money;
}
int main()
{
    long double x = 33.20;
    cout << "please input the money:";
    cin >> x;
    cout << "Convert Money Caps:";
    string money = ConvertMoneyCaps(x);
    cout << money <<endl;
    return 0;
}