如何把输入的阿拉伯数字金额转换成中文大写金额

import java.text.NumberFormat;

import java.util.HashMap;

import java.util.Map;

public class MoneyFormat {

public static final String ZERO="零";

public static final String ONE="壹";

public static final String TWO="贰";

public static final String THREE="叁";

public static final String FOUR="肆";

public static final String FIVE="伍";

public static final String SIX="陆";

public static final String SEVEN="柒";

public static final String EIGHT="捌";

public static final String NINE="玖";

public static final String DOT=".";

public static final String TEN="拾";

public static final String HUNDRED="佰";

public static final String THOUSAND="仟";

public static final String TEN_THOUSAND="万";

public static final String HUNDRED_MILLION="亿";

public static final String YUAN="圆";

public static final String JIAO="角";

public static final String FEN="分";

private static MoneyFormat moneyFormat;

Map<String, String> chineseNumberMap=new HashMap<String, String>();//存放0-9的数字和小数点对应的汉字

Map<Integer, String> chineseMoneyPattern=new HashMap<Integer, String>();//存放拾、佰、仟、万、亿

NumberFormat numberFormat= NumberFormat.getInstance();

private MoneyFormat(){

numberFormat.setMaximumFractionDigits(10);//设置最大的小数位数为4位

numberFormat.setMinimumFractionDigits(2);//设置最小的小数位数为2位

numberFormat.setGroupingUsed(false);//设置不启用分组

chineseNumberMap.put("0", ZERO);

chineseNumberMap.put("1",ONE);

chineseNumberMap.put("2",TWO);

chineseNumberMap.put("3", THREE);

chineseNumberMap.put("4", FOUR);

chineseNumberMap.put("5",FIVE);

chineseNumberMap.put("6",SIX);

chineseNumberMap.put("7", SEVEN);

chineseNumberMap.put("8",EIGHT);

chineseNumberMap.put("9", NINE);

chineseNumberMap.put(".", DOT);

chineseMoneyPattern.put(1, TEN);

chineseMoneyPattern.put(2, HUNDRED);

chineseMoneyPattern.put(3, THOUSAND);

chineseMoneyPattern.put(4, TEN_THOUSAND);

chineseMoneyPattern.put(5, TEN);

chineseMoneyPattern.put(6, HUNDRED);

chineseMoneyPattern.put(7, THOUSAND);

chineseMoneyPattern.put(8, HUNDRED_MILLION);

}

public String format(String moneyStr){

checkPrecision(moneyStr);//检查moneyStr小数部分的合法性

String result=convertToChineseNumber(moneyStr);

return addUnitsToChineseNumberString(result);

}

/*加上人民币单位**/

private String addUnitsToChineseNumberString(String moneyStr) {

StringBuffer sb=new StringBuffer(moneyStr);

int indexDot=moneyStr.indexOf(DOT);

int moneyPatternCusor=1;

for(int i=indexDot-1;i>0;i-- ){//插入拾、佰、仟、万、亿

sb.insert(i, chineseMoneyPattern.get(moneyPatternCusor));

//System.out.println("moneyPatternCusor:"+moneyPatternCusor);

//System.out.println(sb);

moneyPatternCusor=moneyPatternCusor==8?1:moneyPatternCusor+1;

}

String fractionPart=sb.substring(sb.indexOf(DOT));//小数部分

sb.delete(sb.indexOf(DOT), sb.length());//删除小数部分

System.out.println("未处理0时输出："+sb);

while(sb.indexOf("零拾")!=-1){

sb.replace(sb.indexOf("零拾"), sb.indexOf("零拾")+2, ZERO);

}

while(sb.indexOf("零佰")!=-1){

sb.replace(sb.indexOf("零佰"), sb.indexOf("零佰")+2, ZERO);

}

while(sb.indexOf("零仟")!=-1){

sb.replace(sb.indexOf("零仟"), sb.indexOf("零仟")+2, ZERO);

}

while(sb.indexOf("零万")!=-1){

if(sb.indexOf("亿")!=-1){

sb.replace(sb.indexOf("零万"), sb.indexOf("零万")+2, ZERO);

}else{

sb.replace(sb.indexOf("零万"), sb.indexOf("零万")+2, TEN_THOUSAND);

}

}

while(sb.indexOf("零亿")!=-1){

sb.replace(sb.indexOf("零亿"), sb.indexOf("零亿")+2,HUNDRED_MILLION );

}

while(sb.indexOf("零零")!=-1){

sb.replace(sb.indexOf("零零"), sb.indexOf("零零")+2, ZERO);

}

if(sb.indexOf(ZERO)==sb.length()-1){

sb.delete(sb.indexOf(ZERO),sb.length());

}

//处理小数部分

sb.append(fractionPart);

sb.replace(sb.indexOf(DOT), sb.indexOf(DOT)+1, YUAN);

sb.insert(sb.length()-1, JIAO);

sb.insert(sb.length(), FEN);

if(sb.indexOf("零角零分")!=-1){

sb.replace(sb.indexOf("零角零分"), sb.length(), "整");

}

else if(sb.indexOf("零分")!=-1){

sb.replace(sb.indexOf("零分"), sb.length(), "整");

}

else

{if(sb.indexOf("零角")!=-1){

sb.delete(sb.indexOf("零角"), sb.indexOf("零角")+2);

}

}

return sb.toString();

}

/*转换为人民币汉字大写形式**/

private String convertToChineseNumber(String moneyStr) {

StringBuffer sb=new StringBuffer();

for(int i=0;i<moneyStr.length();i++){

sb.append(chineseNumberMap.get(String.valueOf(moneyStr.charAt(i))));

}

System.out.println("转换成汉字："+sb);

return sb.toString();

}

/*检查moneyStr小数部分的合法性**/

private void checkPrecision(String moneyStr) {

//System.out.println("aaaaa"+moneyStr.length());

//System.out.println("qqqqqqqqqqq"+moneyStr.substring(moneyStr.indexOf(DOT)+1,moneyStr.length()).length());

if(moneyStr.substring(moneyStr.indexOf(DOT)+1,moneyStr.length()).length()>2){

throw new RuntimeException(moneyStr+"小数部分大于2位");

}

}

public String format(int moneyStr){

return format(numberFormat.format(moneyStr));

}

public String format(long moneyStr){

return format(numberFormat.format(moneyStr));

}

public String format(double moneyStr){

return format(numberFormat.format(moneyStr));

}

public String format(Number moneyStr){

return format(numberFormat.format(moneyStr));

}

public synchronized static MoneyFormat getInctance(){

if(moneyFormat==null){

moneyFormat=new MoneyFormat();

}

return moneyFormat;

}

public static void main(String[] args) {

System.out.println("最终生成："+MoneyFormat.getInctance().format(new Double(100325600525.30)));

}

}