chinesemoney.java

一个金额转换的java源程序,可以对人民币的中文输入及数字输入之间进行转换

import java.io.*;


   class chineseMoney{

         private String number[]={"","壹","贰","叁","肆","伍","陆","柒","捌","玖"};
         private String unit[]={"","拾","佰","仟"};
         private String small[]={"角","分"};
    //private String strNumber,strUnit,strAll;
  
    //是否在number中
         private boolean IsInNumber(String strNumber)
   {
         boolean inNumber=false;
         for (int i=0;i<9;i++)
  {
      if (strNumber.compareTo (number[i])==0) inNumber=true;
      }
    return inNumber;  }        
         private String SplitChineseNumber(int intUnit,String strInt)
    {
     int l=strInt.length ();
     int j,k,zeorCountTemp=0;
    String strUnit="",strNumber="",strAll="";
    
     //判断在千万到万位 是否全为0，是的话，不返回“万”，返回“”；
      boolean temp=false;
      for (k=0;k<l;k++)
     {
      String strTemp=strInt.substring(k,k+1);
         int intTemp=Integer.parseInt(strTemp);
         
         if (intTemp!=0) temp=true;
       }
     if (temp==false)
       {
         if (intUnit==5)return "";
        }
       
       
      int checkK=0;
      //正式开始转换
    for (k=0;k<l;k++)
       {
        String strTemp=strInt.substring(k,k+1);
       int intTemp=Integer.parseInt(strTemp);
         strNumber= number[intTemp];
          
         //j 从
          j=l-1-k;
           
          strUnit=unit[j];
          
       
       //数值＋单位
       //如果数值＝0，数值＝“”
          if (intTemp==0)
         {
           //
            if (zeorCountTemp==0)
                {
                    //单位＝零
                 strUnit=strUnit.replace('拾','零');
                 strUnit=strUnit.replace('佰','零');
               strUnit=strUnit.replace('仟','零');
            }
           else
                {
              //多零情况下，单位＝“”
               strUnit=strUnit.replaceAll("拾","");
           strUnit=strUnit.replaceAll("佰","");
               strUnit=strUnit.replaceAll("仟","");    
            }
             zeorCountTemp++;            
       }        
     checkK=k;
     strAll+=strNumber+strUnit;
    }
          return strAll;
  }
  
 private String onlyInt(int intInt)
  {
      String strInt;
  strInt=String.valueOf(intInt);
       int l=strInt.length();
        String strAll="";
    //按照四位 一分隔 来计算
     if (l>8)//亿
      {
          strAll+=this.SplitChineseNumber(9,strInt.substring(0,l-8))+"亿";
          strAll+=this.SplitChineseNumber(5,strInt.substring(l-8,l-4));
          strAll+=this.SplitChineseNumber(1,strInt.substring(l-4,l))+"元";
      }
    else if (l>4)//万
      {
       strAll+=this.SplitChineseNumber(5,strInt.substring(0,l-4));
        strAll+=this.SplitChineseNumber(1,strInt.substring(l-4,l))+"元";
           
      }
      else if (l>0)
       {
        strAll+=this.SplitChineseNumber(1,strInt)+"元";
      }
//        100101000
        int checkL=strAll.length();
     
     char strTemp2;
      for (int k=1;k<checkL;k++)
      {
         strTemp2=strAll.charAt(k);
       if (strTemp2=='零')
         {
          //判断零的前后是否有数字，无数字则删除这个零
             String strBeforeTemp=strAll.substring(k-1,k);
           String strAfterTemp=strAll.substring(k+1,k+2);
        if (!this.IsInNumber(strBeforeTemp)&&!this.IsInNumber(strAfterTemp))
            {
               strBeforeTemp=strAll.substring(0,k);
            strAfterTemp=strAll.substring(k+1,checkL);
            strAll= strBeforeTemp+strAfterTemp;
             break;
          }
           
         }
    }
 
   return strAll;
 
  }

   private String onlySmall(int intSmall)
    {
     String strNumber,strUnit,strAll;
      strNumber="";strUnit="";strAll="";
      String strSmall,strTemp;
     strSmall=String.valueOf(intSmall);
       int i;
        if (intSmall>=10)
      {
       for (i=0;i<strSmall.length();i++)
           {
         strTemp=String.valueOf(intSmall).substring(i,i+1);
           if (Integer.parseInt(strTemp)!=0)
              {
              strNumber=number[Integer.parseInt(strTemp)];
                 strUnit=small[i];    
              strAll+=strNumber+strUnit;
          }
        }
     }
      else
      {
         if (intSmall!=0)
          {
         strNumber=number[intSmall];
            strUnit=small[1];    
          strAll+=strNumber+strUnit;
         }
      }
    return strAll;
 }
   
 public String getChineseMoney(double number)
  {
     //四舍五入
   number=(number*100+0.5)/100;
     
      String strAll,strChineseInt,strChineseSmall,strZheng;;
     int intInt,intSmall;
     strChineseInt="";strChineseSmall="";strZheng="";
     
      //整数部分
      intInt=(int)( number*100/100);
     if (intInt!=0)
      {
      strChineseInt=onlyInt(intInt);
     }
      //小数部分
      double temp=(number-intInt)*100*100/100;
    //对小数部分四舍五入
     intSmall=(int)(temp*100+0.5)/100;
        if (intSmall!=0)
        {
        strChineseSmall=onlySmall(intSmall);
        }
       else
        {
        strZheng="整";
     }
   strAll=strChineseInt+strChineseSmall+strZheng;
      return strAll;
  }
  public static void main(String args[]) throws IOException
{
     chineseMoney cm=new chineseMoney();
    double money;
       String strMoney,strChineseMoney;
        strMoney="";
       //读取
      System.out.println("输入待转换的金额:");
      BufferedReader cin = new BufferedReader(new InputStreamReader( System.in));
       strMoney = cin.readLine();
       money=Double.parseDouble(strMoney);
       //money=12346.465;//Double.parseDouble(strMoney);
       strChineseMoney=cm.getChineseMoney(money);
      System.out.println(strChineseMoney);
  }
}