阿拉伯数字转化成人民币大写程序

阿拉伯数字转化成人民币大写程序

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！

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 = Instance();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.(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, (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) {place(cMoneyStringBuffer.indexOf("零拾"),cMoneyStringBuffer.indexOf("零拾") + 2, ZERO);}while (cMoneyStringBuffer.indexOf("零佰") != -1) {place(cMoneyStringBuffer.indexOf("零佰"),cMoneyStringBuffer.indexOf("零佰") + 2, ZERO);}while (cMoneyStringBuffer.indexOf("零仟") != -1) {place(cMoneyStringBuffer.indexOf("零仟"),cMoneyStringBuffer.indexOf("零仟") + 2, ZERO);}while (cMoneyStringBuffer.indexOf("零万") != -1) {place(cMoneyStringBuffer.indexOf("零万"),cMoneyStringBuffer.indexOf("零万") + 2, TEN_THOUSAND);}while (cMoneyStringBuffer.indexOf("零亿") != -1) {place(cMoneyStringBuffer.indexOf("零亿"),cMoneyStringBuffer.indexOf("零亿") + 2, HUNDRED_MILLION);}while (cMoneyStringBuffer.indexOf("零零") != -1) {place(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 = String();return result;}private String addUnitsToChineseMoneyString(String moneyStr) {String result;StringBuffer cMoneyStringBuffer = new StringBuffer(moneyStr);int indexOfDot = cMoneyStringBuffer.indexOf(DOT);place(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place(cMoneyStringBuffer.indexOf("零角零分"),cMoneyStringBuffer.length(), "整");else if (cMoneyStringBuffer.indexOf("零分") != -1)//没有零分，加整place(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 = String();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");}
}