複製程式碼

/*******************************************************************************
Project Code  : Account
File name     : 
Author        : Latte
Description   : 阿拉伯數字轉為中文字串
Function List :
--------------------------------------------------------------------------------
History:
Date            Author          Modification
20140703        Latte           created file.
*******************************************************************************/
 


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

#define MAX 100
string g_strDigit[] = {"零", "壹", "貳", "叄", "肆", "伍", "陸", "柒", "捌", "玖"};

string g_strUnit[] = {"圓", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", 
                      "拾", "佰", "仟", "萬", "拾", "佰"
 
};

string g_strUnit2[] = {"角", "分"};

/*******************************************************************************
Func Name       : ReplaceSubStr
Date Created    : 2014-07-03
Author          : Latte
Description     : 將源字串strOrig中第一個匹配strSub的子串部分替換為strReplace
Input           : 
                  string &strOrig, 
                  string strSub, 
                  string strReplace
Output          : 
                  string &strOrig
Return          : 
                  int
Caution         : 返回值如果為-1，則表示替換失敗或未找到替換項
*******************************************************************************/
 

int ReplaceSubStr(string &strOrig, string strSub, string strReplace)
{
    int pos = (int)strOrig.find(strSub);
    int length = (int)strSub.length();

    if (pos >= 0)
    {
        strOrig.replace(pos, length, strReplace);
        return 0;
    }

    return -1;
}

/*******************************************************************************
Func Name       : NumToChineseStr
Date Created    : 2014-07-03
Author          : Latte
Description     : 
                  將人民幣double數值轉化為人民幣漢字string
Input           : 
                  double money
Output          : 
Return          : 
                  string
Caution         :
*******************************************************************************/
string NumToChineseStr(double money)
{
    int i               = 0;
    int ret             = 0;
    int length          = 0;
    char *p             = NULL;
    char *pcDecimal     = NULL; //儲存小數部分字元
    char czNumber[MAX]  = {0};  //儲存完整數字部分字元
    string strResult;

    cout << "======================================" << endl;
    cout << money << endl;

    //判斷是否為小數
    if (money < 0)
    {
        strResult = "不支援讀負數";   
        return strResult;   
    }

    //將數字轉為數字字串，利用sprintf_s的正則轉換
    sprintf_s(czNumber, MAX, "%.15lg", money);
    printf("[No.0]%s\n", czNumber); 

    //如果數字是太大或太小的數，因為已經轉為科學計數，所以會含有e字元
    p = strchr(czNumber,'e');  
    if (NULL!=p) 
    {
        strResult = "不支援讀太大或太小的數";
        return strResult;
    }

    p = strchr(czNumber, '.');  
    if (NULL != p) 
    {       
        p[0] = 0;    
        pcDecimal = p + 1;   
    }    
    length = (int)strlen(czNumber);  

    for (i = 0; i<length; i++) 
    {        
        if ('0' == czNumber[i] && 0 != ((length-1-i) % 4))
        {
            strResult += g_strDigit[czNumber[i] - '0'];
        } 
        else 
        {
            strResult += g_strDigit[czNumber[i] - '0'] + g_strUnit[length-1-i];
        }   
    }
    cout << "[No.1]把數字直接替換為漢字: \n" << strResult << endl;

    //把strResult中的所有"零零"子串替換為"零"
    while (1)
    {
        ret = ReplaceSubStr(strResult, "零零", "零");
        if (ret < 0)
        {
            break;
        }
    }
    cout << "[No.2]替換所有零零為零: \n" << strResult << endl;

    ReplaceSubStr(strResult, "零億", "億");
    ReplaceSubStr(strResult, "零萬", "萬");
    if (strResult != "零圓")    //如果整數部分全為0，則不要去除元單位前面的零
    {
        ReplaceSubStr(strResult, "零圓", "圓");
    }

    cout << "[No.3]去除零億、零萬、零圓前面的零: \n" << strResult << endl;

    //小數精確到兩位數，即精確到單位分
    if (NULL != pcDecimal) 
    {
        //如果小數部分有數值而整數部分為0，則刪除字串中的零元
        if (strResult == "零圓")
        {
            strResult.clear();
        }
        i = 0;
        while (1) 
        {           
            if (0 == pcDecimal[i] || i >= 2) 
                break;   
            strResult += g_strDigit[pcDecimal[i] - '0'] + g_strUnit2[i];
            i++;      
        }   
    }
    cout << "[No.4]小數精確到兩位數，即精確到單位分: \n" << strResult << endl;

    return strResult;
}

int main(void)
{
    //cout << "Result: " << NumToChineseStr(0.00) << endl;
    //cout << "Result: " << NumToChineseStr(-345.67) << endl;
    //cout << "Result: " << NumToChineseStr(1000.0) << endl;
    cout << "Result: " << NumToChineseStr(130040600090.012) << endl;

    return 0;
}