阿拉伯数字转化成人民币大写程序大家也见过很多,但是这个程序在我看来是功能最强大的,该程序考虑到小数问题,输入不规范问题,数值大小问题等等各种问题,该程序十分健壮!
- import java.text.NumberFormat;
- import java.util.HashMap;
- public class ConvertChinesQ {
- 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 ConvertChinesQ formatter = null;
- private HashMap chineseNumberMap = new HashMap();
- private HashMap chineseMoneyPattern = new HashMap();
- private NumberFormat numberFormat = NumberFormat.getInstance();
- private ConvertChinesQ() {
- 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);
- 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 static ConvertChinesQ getInstance() {
- if (formatter == null)
- formatter = new ConvertChinesQ();
- return formatter;
- }
- public String format(String moneyStr) {
- checkPrecision(moneyStr);
- String result;
- result = convertToChineseNumber(moneyStr);
- result = addUnitsToChineseMoneyString(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)));
- }
- //拾佰仟万亿等都是汉字里面才有的单位,加上它们
- int indexOfDot = cMoneyStringBuffer.indexOf(DOT);
- int moneyPatternCursor = 1;
- for (int i = indexOfDot - 1; i > 0; i--) {
- cMoneyStringBuffer.insert(i, chineseMoneyPattern.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 addUnitsToChineseMoneyString(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);
- if (cMoneyStringBuffer.indexOf("零角零分") != -1)//没有零头,加整
- cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零角零分"),
- cMoneyStringBuffer.length(), "整");
- else if (cMoneyStringBuffer.indexOf("零分") != -1)//没有零分,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);
- // tmpBuffer.append("整");
- }
- result = cMoneyStringBuffer.toString();
- return result;
- }
- private void checkPrecision(String moneyStr) {
- int fractionDigits = moneyStr.length() - moneyStr.indexOf(DOT) - 1;
- if (fractionDigits > 2)
- throw new RuntimeException("金额" + moneyStr + "的小数位多于两位。"); //精度不能比分低
- }
- public static void main(String args[]) throws Exception{
- System.out.println(getInstance().format(new Double(10000001.01)));
- throw new Exception("slkdfjsk");
- }
- }
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