- package com.chen.test;
- import java.text.NumberFormat;
- import java.util.HashMap;
- /**
- *
- 金额转换,阿拉伯数字转换成中国传统形式。
- 例如:101000001010 转换为 壹仟零壹拾亿零壹仟零壹拾圆整
- * @author Lenovo
- *
- */
- public class SimpleMoneyFormat {
- public static final String EMPTY="";
- 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 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="元";
- public static final String JIAO="角";
- public static final String FEN="分";
- public static final String DOT=".";
-
- private static SimpleMoneyFormat formatter=null;
- private HashMap chineseNumberMap=new HashMap();
- private HashMap chineseMoenyPattern=new HashMap();
- private NumberFormat numberFormat=NumberFormat.getInstance();
-
- //私有构造函数
- private SimpleMoneyFormat() {
- numberFormat.setMaximumFractionDigits(4);
- numberFormat.setMinimumFractionDigits(2);
- numberFormat.setGroupingUsed(false);
-
- 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,DOT);
-
- chineseMoenyPattern.put("1",TEN);
- chineseMoenyPattern.put("2",HUNDRED);
- chineseMoenyPattern.put("3",THOUSAND);
- chineseMoenyPattern.put("4",TEN_THOUSAND);
- chineseMoenyPattern.put("5",TEN);
- chineseMoenyPattern.put("6",HUNDRED);
- chineseMoenyPattern.put("7",THOUSAND);
- chineseMoenyPattern.put("8",HUNDRED_MILLION);
- }
-
- //单例模式
- public static SimpleMoneyFormat getInstance(){
- if(formatter==null)
- formatter=new SimpleMoneyFormat();
- return formatter;
- }
-
- public String format(String moneyStr){
- checkPrecision(moneyStr);
- String result;
- result=convertToChineseNumber(moneyStr);
- result=addUnitsToChineseMoenyString(result);
- return result;
- }
-
- public String format(double moneyDouble){
- return format(numberFormat.format(moneyDouble));
- }
-
- public String format(int moneyInt){
- return format(numberFormat.format(moneyInt));
- }
-
- public String format(long moneyLong){
- return format(numberFormat.format(moneyLong));
- }
-
- public String format(Number moneyNum){
- return format(numberFormat.format(moneyNum));
- }
-
- private String convertToChineseNumber(String moneyStr){
- String result;
- StringBuffer cMoneyStringBuffer =new StringBuffer();
- for(int i=0;i<moneyStr.length();i++){
- cMoneyStringBuffer.append(chineseNumberMap.
- get(moneyStr.substring(i,i+1)));
- }
-
- int indexOfDot=cMoneyStringBuffer.indexOf(DOT);
- int moneyPatternCursor=1;
- for(int i=indexOfDot-1;i>0;i--){
- cMoneyStringBuffer.insert(i,
- chineseMoenyPattern.get(EMPTY+moneyPatternCursor));
- moneyPatternCursor=moneyPatternCursor==
- 8?1:moneyPatternCursor+1;
- }
-
- String fractionPart=cMoneyStringBuffer.substring(
- cMoneyStringBuffer.indexOf("."));
- cMoneyStringBuffer.delete(
- cMoneyStringBuffer.indexOf("."),
- cMoneyStringBuffer.length());
- while(cMoneyStringBuffer.indexOf("零拾")!=-1){
- cMoneyStringBuffer.replace(
- cMoneyStringBuffer.indexOf("零拾"),
- cMoneyStringBuffer.indexOf("零拾")+2,ZERO);
- }
- while(cMoneyStringBuffer.indexOf("零佰")!=-1){
- cMoneyStringBuffer.replace(
- cMoneyStringBuffer.indexOf("零佰"),
- cMoneyStringBuffer.indexOf("零佰")+2,ZERO);
- }
- while(cMoneyStringBuffer.indexOf("零仟")!=-1){
- cMoneyStringBuffer.replace(
- cMoneyStringBuffer.indexOf("零仟"),
- cMoneyStringBuffer.indexOf("零仟")+2,ZERO);
- }
- while(cMoneyStringBuffer.indexOf("零万")!=-1){
- cMoneyStringBuffer.replace(
- cMoneyStringBuffer.indexOf("零万"),
- cMoneyStringBuffer.indexOf("零万")+2,TEN_THOUSAND);
- }
- while(cMoneyStringBuffer.indexOf("零亿")!=-1){
- cMoneyStringBuffer.replace(
- cMoneyStringBuffer.indexOf("零亿"),
- cMoneyStringBuffer.indexOf("零亿")+2,HUNDRED_MILLION);
- }
- while(cMoneyStringBuffer.indexOf("零零")!=-1){
- cMoneyStringBuffer.replace(
- cMoneyStringBuffer.indexOf("零零"),
- cMoneyStringBuffer.indexOf("零零")+2,ZERO);
- }
- if(cMoneyStringBuffer.lastIndexOf(ZERO)
- ==cMoneyStringBuffer.length()-1){
- cMoneyStringBuffer.delete(
- cMoneyStringBuffer.length()-1,
- cMoneyStringBuffer.length());
- }
- cMoneyStringBuffer.append(fractionPart);
- result=cMoneyStringBuffer.toString();
- return result;
- }
-
- private String addUnitsToChineseMoenyString(String moneyStr){
- String result;
- StringBuffer cMoneyStringBuffer=new StringBuffer(moneyStr);
-
- int indexOfDot=cMoneyStringBuffer.indexOf(DOT);
- cMoneyStringBuffer.replace(indexOfDot,indexOfDot+1,YUAN);
- cMoneyStringBuffer.insert(cMoneyStringBuffer.length()-1,JIAO);
- cMoneyStringBuffer.insert(cMoneyStringBuffer.length(),FEN);
-
- //拾佰仟万亿等都是汉字里面才有的单位,加上它们
- if(cMoneyStringBuffer.indexOf("零角零分")!=-1)//去掉零头,加整
- cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零角零分"),
- cMoneyStringBuffer.length(),"整");
- else if(cMoneyStringBuffer.indexOf("零分")!=-1)//去掉零分,加整
- cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零分"),
- cMoneyStringBuffer.length(),"整");
- else if(cMoneyStringBuffer.indexOf("零角")!=-1)
- cMoneyStringBuffer.delete(cMoneyStringBuffer.indexOf("零角"),
- cMoneyStringBuffer.indexOf("零角")+2);
- result=cMoneyStringBuffer.toString();
- return result;
- }
-
- //检查精度的合法性
- private void checkPrecision(String moneyStr){
- int fractionDigits=moneyStr.length()-moneyStr.indexOf(DOT)-1;
- if(fractionDigits>2)//精度不能比分低
- throw new RuntimeException("金额"+moneyStr+"的小数位数多余两位.");
- }
-
- public static void main(String[] args){
- System.out.println(getInstance().format(new Double(10010001.01)));
- }
-
- }
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