/**
* <p>Title: money</p>
* <p>Description:
* *類名：money
* *函數：String PositiveIntegerToHanStr(String NumStr) 負責把小數點前面的數轉換為大寫中文
* *函數:?String NumToRMBStr(double val) 負責把輸入的double型的數轉換為大寫中文
* *注意java程序轉換的范圍是：小數點前面15位（已測試通過
* * <p>Company: </p>
* 鐘偉海
* @version 1.0
*/
import java.lang.Math;
public class money{
//調試時用main函數
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(100000000.00));
System.out.println(mon.NumToRMBStr(100000001.00));
System.out.println(mon.NumToRMBStr(236.21));
}
String HanDigiStr[] = new String[]{"零","壹","貳","叁","肆","伍","陸","柒","捌","玖"};
String HanDiviStr[] = new String[]{"","拾","佰","仟","萬","拾","佰","仟","億",
"拾","佰","仟","萬","拾","佰","仟","億",
"拾","佰","仟","萬","拾","佰","仟" };
String PositiveIntegerToHanStr(String NumStr)
{ // 輸入字符串必須正整數，只允許前導空格(必須右對齊)，不宜有前導零
String RMBStr = "";
boolean lastzero = false;
boolean hasvalue= false; // 億、萬進位前有數值標記
int len,n;
len = NumStr.length();
if( len > 15 ) return "數值過大!";
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 "輸入含非數字字符!";
if( n!=0 ) {
if( lastzero ) RMBStr += HanDigiStr[0]; // 若干零后若跟非零值，只顯示一個零
// 除了億萬前的零不帶到后面
//if( !( n==1 && (i%4)==1 && (lastzero || i==len-1) ) ) // 如十進位前有零也不發壹音用此行
if( !( n==1 && (i%4)==1 && i==len-1 ) ) // 十進位處于第一位不發壹音
RMBStr += HanDigiStr[n];
RMBStr += HanDiviStr[i]; // 非零值后加進位，個位為空
hasvalue = true; // 置萬進位前有值標記
}else {
if( (i%8)==0 || ((i%8)==4 && hasvalue) ) // 億萬之間必須有非零值方顯示萬
RMBStr += HanDiviStr[i]; // “億”或“萬”
}
if( i%8==0 ) hasvalue = false ; // 萬進位前有值標記逢億復位
lastzero = (n==0) && (i%4!=0);
}
if( RMBStr.length()==0 ) return HanDigiStr[0]; // 輸入空字符或"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 = "負";
}
if(val > 99999999999999.999 || val <-99999999999999.999 ) return "數值位數過大!";
// 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 ) // 零元后不寫零幾分
TailStr = "";
if( fen!=0 )
TailStr += HanDigiStr[fen] + "分";
}
// 下一行可用于非正規金融場合，0.03只顯示“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
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