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983天前import java.text.NumberFormat; |
import java.util.HashMap; |
/** |
* 阿拉伯数字转中文金额 |
* |
*/ |
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 chineseMoneyPattern = new HashMap(); |
private NumberFormat numberFormat = NumberFormat.getInstance(); |
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); |
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 SimpleMoneyFormat getInstance() { |
if (formatter == null) |
formatter = new SimpleMoneyFormat(); |
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[]) { |
System.out.println(getInstance().format(new Double(123456789.21))); |
// 输出：壹亿贰仟叁佰肆拾伍万陆仟柒佰捌拾玖元贰角壹分 |
// 我要是有这么多钱就好了…… |
} |
} |
