货币数字转成大写

public class money{
//调试时用main函数
public static void main(String args[]){
  money mon = new money();
  System.out.println(-99999999999999.999+mon.NumToRMBStr(-99999999999999.999));
  System.out.println(99999999999999.999+mon.NumToRMBStr(99999999999999.999));
  System.out.println(mon.NumToRMBStr(105.30));
  System.out.println(mon.NumToRMBStr(100000001.00));
}

String HanDiGIStr[] = new String[]{"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};

String HanDiviStr[] = new String[]{"","拾","佰","仟","万","拾","佰","仟","亿",
     "拾","佰","仟","万","拾","佰","仟","亿",
     "拾","佰","仟","万","拾","佰","仟" };
    

String PositiveIntegerToHanStr(String NumStr)
{     // 输入字符串必须正整数，只允许前导空格(必须右对齐)，不宜有前导零
  String RMBStr = "";
  boolean lastzero = false;
  boolean hasvalue= false;       // 亿、万进位前有数值标记
  int len,n;
  len = NumStr.length();
  if( len > 15 ) return "数值过大!";
  for(int i=len-1;i>=0;i--) {
   if( NumStr.charAt(len-i-1)==' ' ) continue;     
   n = NumStr.charAt(len-i-1) - '0';
   if( n<0 || n>9 ) return "输入含非数字字符!";
  
   if( n!=0 ) {
    if( lastzero ) RMBStr += HanDiGIStr[0];  // 若干零后若跟非零值，只显示一个零
            // 除了亿万前的零不带到后面
    //if( !( n==1 && (i%4)==1 && (lastzero || i==len-1) ) )    // 如十进位前有零也不发壹音用此行
    if( !( n==1 && (i%4)==1 && i==len-1 ) )     // 十进位处于第一位不发壹音
     RMBStr += HanDiGIStr[n];
    RMBStr += HanDiviStr[i];    // 非零值后加进位，个位为空
    hasvalue = true;                                    // 置万进位前有值标记
   
   }else {
    if( (i%8)==0 || ((i%8)==4 && hasvalue) )  // 亿万之间必须有非零值方显示万
     RMBStr += HanDiviStr[i];   // “亿”或“万”
   }
   if( i%8==0 ) hasvalue = false ;      // 万进位前有值标记逢亿复位
   lastzero = (n==0) && (i%4!=0);   
   }

  if( RMBStr.length()==0 ) return HanDiGIStr[0];         // 输入空字符或"0"，返回"零"
  return RMBStr;
}

String NumToRMBStr(double val)
{
  String SignStr ="" ;
  String TailStr ="";
  long  fraction, integer;
  int jiao,fen;

  if( val<0 ) {
   val = -val;
   SignStr = "负";
   }
  if(val > 99999999999999.999 || val <-99999999999999.999 ) return "数值位数过大!";
  // 四舍五入到分 
  long temp = Math.round(val*100);
  integer = temp/100;
  fraction = temp%100;
  jiao = (int)fraction/10;
  fen = (int)fraction%10;
  if( jiao==0 && fen==0 ) {
   TailStr = "整";
   }
  else {
   TailStr = HanDiGIStr[jiao];
   if( jiao!=0 )
    TailStr += "角";
   if( integer==0 && jiao==0 )                // 零元后不写零几分
    TailStr = "";
   if( fen!=0 )
    TailStr += HanDiGIStr[fen] + "分";
   }

// 下一行可用于非正规金融场合，0.03只显示“叁分”而不是“零元叁分”
//        if( !integer ) return  SignStr+TailStr;

  return "￥"+SignStr+PositiveIntegerToHanStr(String.valueOf(integer) )+"元"+TailStr;
}

}//END public class money