rmbzh.cpp

人民币大小写转换

//人民币大写转换程序
//网络工程0913050121 杨林
//个人主页http://www.IdCn.org
//博客http://ielin.blog.sohu.com
#pragma warning(disable:4786)
#include <string>
#include <stdio.h>
#include <iostream>
#include <vector>


using std::vector;
using std::string;
using std::cout;
using std::cin;
using std::endl;


string ConvertMoney(double dNum)
{
 string strResult;//要返回的字符串
 char c_Digit[20];//c风格的字符数组
 string strDigit;//输入的数字字符串

 int iLength  = 0;//输入的双精度数的长度
 int iAddZero = 0;//加零标志
 int iDigit   = 0;//取出的数字


 string str1[] = {"分","角","元","拾","佰","仟","万",
  "拾","佰","仟","亿","拾","佰","仟","万","拾","佰","仟"};
 string str2[] = {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};


 vector<string> strUnit(str1,str1 + 18);//初始化向量
 vector<string> strUpperNum(str2,str2 + 10);


 sprintf(c_Digit,"%.0f",dNum*100);//将数字串换成c风格的数组
 strDigit = c_Digit;//将字符数组的内容赋值给string变量

 iLength = strDigit.length();//取得字符串的长度

 if (iLength > 15 || iLength < 0)//如果输入的数字超出double类型数据的长度的话返回“error“
  return "Error";
 for (int i = 0; i < iLength; i++) {//将字符串逐位处理
  iDigit = atoi(strDigit.substr(i,1).c_str());
  if (iDigit == 0)//如果当前位为零,则将加零标志+1
   iAddZero++;
  else {
   if (iAddZero > 0)//如果当前为不为0,且加0标志大于0
    strResult += "零";//则在字符串中加入“零“
   strResult += strUpperNum[iDigit];
   iAddZero = 0;
  }
  //该位不为0||元位||亿位||万位
  if ((iDigit != 0) || (iLength - i == 3) || (iLength - i == 11)||((iLength - i + 1)%8 == 0 && (iAddZero < 4))) 
   strResult += strUnit[iLength - i - 1];
 }
 if (strDigit.substr(strDigit.length() - 2,2) == "00")
  strResult += "整";
 
 return strResult;
 
}
int main()
{
 double dLowerRMB = 0.0;
 cout << "请输入要转换的人民币金额!" << endl;
 cin >> dLowerRMB;
 cout << "-------------------------------------------------" << endl;
 cout << "您要转换的人民币金额小写为 " << "\n" << dLowerRMB << endl;
 cout << "-------------------------------------------------" << endl;
 string strUpperRMB = ConvertMoney(dLowerRMB);
 cout << "大写金额为" << "\n" << strUpperRMB << endl;
 cout << "-------------------------------------------------" << endl;
 return 0;
}