Question

java如何把大写的金额改成小写

Answer 1

/**
* @(#)SimpleMoneyFormat.java
*
*金额转换，阿拉伯数字的金额转换为中国传统的形式输出
* @lpxuan
* @version 1.00 2010/7/31
*/

import java.text.NumberFormat;
import java.util.HashMap;
import java.lang.StringBuffer;

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)));
}

}

Answer 2

怎么个大写 怎么个小子 问题写清楚可以不

Answer 3

中文大写？？改成阿拉伯数字么？？

Answer 4

你问题写得很不清楚的啊 让别人怎么回答啊

追问

就是大写的人民币（例：叁仟万）改为阿拉伯数字（30000000）