java实现金额转换，阿拉伯数字的金额转换成中国传统的形式
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自古女子多痴情深
2024-04-21 01:10:51
import java.math.BigDecimal;
/**
* 金额工具类
*
* @author zn
*
* @Date 2013-2-1
* @Email zn.share@gmail.com
*/
public class MoneyUtil {
private static final int DFT_SCALE = 2;
/**
大写数字
*/private static final String[] NUMBERS = { "零", "壹", "贰", "叁", "肆", "伍",
"陆", "柒", "捌", "玖" };
/** 整数部分的单位 */
private static final String[] IUNIT = { "元", "拾", "佰", "仟", "万", "拾", "佰",
"仟", "亿", "拾", "佰", "仟", "万", "拾", "佰", "仟" };
/** 小数部分的单位 */
private static final String[] DUNIT = { "角", "分", "厘" };
/**
* 得到大写金额。
*/
public static String toChinese(String str) {
str = str.replaceAll(",", "");// 去掉","
String integerStr;// 整数部分数字
String decimalStr;// 小数部分数字
// 初始化：分离整数部分和小数部分
if (str.indexOf(".") > 0) {
integerStr = str.substring(0, str.indexOf("."));
decimalStr = str.substring(str.indexOf(".") + 1);
} else if (str.indexOf(".") == 0) {
integerStr = "";
decimalStr = str.substring(1);
} else {
integerStr = str;
decimalStr = "";
}
// integerStr去掉首0，不必去掉decimalStr的尾0(超出部分舍去)
if (!integerStr.equals("")) {
integerStr = Long.toString(Long.parseLong(integerStr));
if (integerStr.equals("0")) {
integerStr = "";
}
}
// overflow超出处理能力，直接返回
if (integerStr.length() > IUNIT.length) {
System.out.println(str + ":超出处理能力");
return str;
}
int[] integers = toArray(integerStr);// 整数部分数字
boolean isMust5 = isMust5(integerStr);// 设置万单位
int[] decimals = toArray(decimalStr);// 小数部分数字
return getChineseInteger(integers, isMust5)
+ getChineseDecimal(decimals);
}
/**
* 整数部分和小数部分转换为数组，从高位至低位
*/
private static int[] toArray(String number) {
int[] array = new int[number.length()];
for (int i = 0; i < number.length(); i++) {
array[i] = Integer.parseInt(number.substring(i, i + 1));
}
return array;
}
/**
* 得到中文金额的整数部分。
*/
private static String getChineseInteger(int[] integers, boolean isMust5) {
StringBuffer chineseInteger = new StringBuffer("");
int length = integers.length;
for (int i = 0; i < length; i++) {
// 0出现在关键位置：1234(万)5678(亿)9012(万)3456(元)
// 特殊情况：10(拾元、壹拾元、壹拾万元、拾万元)
String key = "";
if (integers[i] == 0) {
if ((length - i) == 13)// 万(亿)(必填)
key = IUNIT[4];
else if ((length - i) == 9)// 亿(必填)
key = IUNIT[8];
else if ((length - i) == 5 && isMust5)// 万(不必填)
key = IUNIT[4];
else if ((length - i) == 1)// 元(必填)
key = IUNIT[0];
// 0遇非0时补零，不包含最后一位
if ((length - i) > 1 && integers[i + 1] != 0)
key += NUMBERS[0];
}
chineseInteger.append(integers[i] == 0 ? key
: (NUMBERS[integers[i]] + IUNIT[length - i - 1]));
}
return chineseInteger.toString();
}
/**
* 得到中文金额的小数部分。
*/
private static String getChineseDecimal(int[] decimals) {
StringBuffer chineseDecimal = new StringBuffer("");
for (int i = 0; i < decimals.length; i++) {
// 舍去3位小数之后的
if (i == 3)
break;
chineseDecimal.append(decimals[i] == 0 ? ""
: (NUMBERS[decimals[i]] + DUNIT[i]));
}
return chineseDecimal.toString();
}
/**
* 判断第5位数字的单位"万"是否应加。
*/
private static boolean isMust5(String integerStr) {
int length = integerStr.length();
if (length > 4) {
String subInteger = "";
if (length > 8) { // TODO 12-9-17
// 取得从低位数，第5到第8位的
字串
subInteger = integerStr.substring(length - 8, length - 4);
} else {
subInteger = integerStr.substring(0, length - 4);
}
return Integer.parseInt(subInteger) > 0;
} else {
return false;
}
}
/**
* BigDecimal 相乘,四舍五入保留0位
*
* @param a
* @param b
* @return a*b
*/
public static BigDecimal mutiply(String a, String b, int roundingMode) {
BigDecimal bd = new BigDecimal(a);
return bd.multiply(new BigDecimal(b)).setScale(DFT_SCALE, roundingMode);
}
/**
* BigDecimal 相除,四舍五入保留两位
*
* @param a
* @param b
* @return a/b
*/
public static BigDecimal div(String a, String b, int roundingMode) {
BigDecimal decimal1 = new BigDecimal(a);
BigDecimal decimal2 = new BigDecimal(b);
return decimal1.divide(decimal2, DFT_SCALE, roundingMode);
}
/**
* BigDecimal 相加,四舍五入保留两位
*
* @param a
* @param b
* @return a+b
*/
public static BigDecimal sum(String a, String b, int roundingMode) {
BigDecimal decimal1 = new BigDecimal(a);
BigDecimal decimal2 = new BigDecimal(b);
// DecimalFormat format = new DecimalFormat("#0.00");
return decimal1.add(decimal2).setScale(DFT_SCALE, roundingMode);
}
/**
* BigDecimal 相减,四舍五入保留两位
*
* @param a
* @param b
* @return a+b
*/
public static BigDecimal sub(String a, String b, int roundingMode) {
BigDecimal decimal1 = new BigDecimal(a);
BigDecimal decimal2 = new BigDecimal(b);
// DecimalFormat format = new DecimalFormat("#0.00");
return decimal1.subtract(decimal2).setScale(DFT_SCALE, roundingMode);
}
/**
* 100.00 为10000
*
* @param a
* @return
*/
public static BigDecimal format(String a, int roundingMode) {
return new BigDecimal(a).multiply(new BigDecimal(100)).setScale(0,
roundingMode);
}
public static void main(String[] args) {
String number = "54452";
System.out.println(number + " " + MoneyUtil.toChinese(number));
number = "30200";
System.out.println(number + " " + MoneyUtil.toChinese(number));
number = "30000.05";
System.out.println(number + " " + MoneyUtil.toChinese(number));
number = "30000.00";
System.out.println(number + " " + MoneyUtil.toChinese(number));
}
}
备注：最后面的main方法是具体的调用。
星星泡饭
2024-04-21 00:24:28
* @(#)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 2008/7/31
*/
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)));
}
}
陌上画桑
2024-04-21 00:42:25
import java.util.HashMap;
import java.text.NumberFormat;
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;
}
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)));
}
}
浪痞孤王
2024-04-21 01:04:33
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