Java 金额转换阿拉伯数字金额转换成汉字大写金额

写的不是很完善，仅供参考！还望各大佬多多指点！下面直接上代码：

package demo;import java.math.BigDecimal;
import java.util.Scanner;public class MoneyToCN2 {private static final String CNSUM[] = {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};private static final String SMALLSUM[] = {"分","角"};private static final String MIDSUM[] = {"","拾","佰","仟"};private static final String BIGSUM[] = {"","万 ","亿 "};private static final String YUAN = "圆";private static final String YUANZHENG = "圆整";private static final String LINGYUANZHENG = "零圆整";/*** 默认精确到小数点后两位*/private static final int PRECISION = 2;/*** 阿拉伯数字类型的金额 转换为 汉字大写金额类型* @param strMoney 输入后经过四舍五入的金额（保留两位小数，保留位数可更改）* @return 汉字大写金额*/public static String toCN(String strMoney){//用于接收转换了的汉字大写金额StringBuffer sb = new StringBuffer();String str[] = strMoney.split("\\.");  //根据小数点将金额分成两部分String strLeft = str[0];               //金额的整数部分String strRight = str[1];              //金额的小数部分/*** 小数部分是否为零的情况*/if(Integer.parseInt(strRight)!=0){//小数部分不为零,先读小数部分的角、分情况int fen = Integer.parseInt(strRight.substring(1));int jiao = Integer.parseInt(strRight.substring(0,1));if(fen != 0){sb.insert(0,  SMALLSUM[0]);sb.insert(0, toUpperNumber(fen));}if(jiao != 0){sb.insert(0,  SMALLSUM[1]);sb.insert(0, toUpperNumber(jiao));}//如果整数部分不为零，先将“圆”添加上去if(Long.parseLong(strLeft)!=0){sb.insert(0, YUAN+" ");}}else{//小数部分为零,小数后面的部分忽略不读，即均为   “圆整” 情况sb.append(YUANZHENG);//如果整数部分也为零，那就是“零圆整”  0.00if(Long.parseLong(strLeft)==0){return LINGYUANZHENG;}}int leftLength = strLeft.length();    //整数部分的位数if(leftLength <= 4){//金额不超过上千的话MidToUpper(strLeft, sb);return sb.toString();}else{//金额上万起步的话//将整数部分的金额拆成4个长度为一组的数，第一组单位“”，第二组单位“万”，第三组单位“亿”//到底要分成几组？fenzu<=3int fenzu = 0;if(leftLength%4!=0){fenzu = leftLength/4+1;}else{fenzu = leftLength/4;}//整数部分拆分出来的小组都装进leftMoney数组中String leftMoney[] = new String[fenzu];//将左边的整数拆分成最多四位的数组for(int i=0; i<fenzu; i++){int indexBegin = leftLength-4*(i+1);    //开始切割的点//从后往前拆分if(indexBegin>0){leftMoney[i] = strLeft.substring(indexBegin, leftLength-4*i);}else{//indexBegin≤0，即将要切分的字符串已经不足4位leftMoney[i] = strLeft.substring(0, leftLength-4*i);}}//j<=2 进行小组阿拉伯金额转换成大写汉字金额for(int j=0; j<leftMoney.length; j++){if(!leftMoney[j].equals("0000")){sb.insert(0, BIGSUM[j]);}MidToUpper(leftMoney[j],sb);}return sb.toString();}}/*** 将最多四位的金额转换成十百千的大写金额     如4181 -->肆仟壹佰捌拾壹* @param str 整数金额的字符串形式（最高四位数）* @param sb 转换后的大写金额* @return 返回大写金额*/public static String MidToUpper(String str, StringBuffer sb){if(str == null || str.trim().length() == 0){return "";}int strLength = str.length();for(int i=0; i<strLength; i++){int sum = Integer.parseInt(str.substring(strLength-i-1,strLength-i));if(sum!=0){sb.insert(0, MIDSUM[i]);sb.insert(0, toUpperNumber(sum));}}return sb.toString();}/*** 阿拉伯数字转换成汉字大写* @param num 阿拉伯数字 1~9* @return 返回汉字大写 壹~玖*/public static String toUpperNumber(int num){if(num>=0 && num<=9){return CNSUM[num];}return "";}public static void main(String[] args) {while(true){System.out.print("1.请输入最高整数为12位的金额：");BigDecimal money = new Scanner(System.in).nextBigDecimal();String strMoney = money.setScale(PRECISION, BigDecimal.ROUND_HALF_UP).toString();System.out.println("2.输入的金额保留两位小数后为：" + strMoney);if(strMoney.length()>15){System.out.println("3.抱歉，本小宝无法转换超过 上千亿 的金额！");}else{System.out.println("3.将其转换成汉字大写金额后为：" + toCN(strMoney));}System.out.println();}}}

其他版本：

package demo;/*** 数字货币转换成汉字大写人民币 ￥100,203.20 --→ 拾万零贰佰零弎元贰角* * @author LaoYiPing* */
public class MoneyToCN {private static final String[] NUMBERS = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };private static final String[] BIG_POS = { "", "万", "亿" };private static final String[] SMALL_POS = { "", "拾", "佰", "仟" };private static final String[] UNITS = { "角", "分", "厘" };private static final String YUAN = "圆";private static final String YUAN_ZHENG = "圆整";private static final String[] SMALL_O = { "零仟", "零佰", "零拾" };private static final String[] BIG_O = { "零亿", "零万", "零圆" };private static final String[] BIG_T = { "亿", "万", "圆" };private static final String BILL = "亿";private static final String ZERO = "零";private static final String DOUBLE_ZERO = "零零";public static void main(String[] args) {System.out.println(toCurrency("100000000001.00"));}public static String toCurrency(String d) {if (d == null) {return "";}String s = null;String high = null;String low = null;d = d.trim();d = d.replaceAll("\\s+", "");if (d.contains(".")) {high = d.substring(0, d.indexOf("."));low = d.substring(d.indexOf(".") + 1);} else {high = d;}high = toHigh(high);low = toLow(low);if (!isEmpty(low) && !isEmpty(high)) {s = high + YUAN + low;} else if (!isEmpty(high) && isEmpty(low)) {s = high + YUAN_ZHENG;} else if (isEmpty(high) && !isEmpty(low)) {while (true) {if (low.startsWith(NUMBERS[0])) {low = low.substring(2);} else {break;}}s = low;}return s;}private static String toHigh(String high) {if (high == null) {return null;}high = high.trim();if (high.length() < 10 && Integer.parseInt(high) == 0) {return null;}StringBuffer data = new StringBuffer(high);//everse()方法表示的是将一个输入流倒叙输出。data = data.reverse();high = data.toString();boolean b = false;boolean m = false;boolean f = false;StringBuffer rs = new StringBuffer();if (high.length() > 8) {String[] billions = getBillions(high);for (int i = 0; i < billions.length; i++) {if (isEmpty(billions[i])) {break;}if (i > 0) {b = true;}if (b) {rs.append(BILL);}if (m && f) {rs.append(BILL);}String[] millions = getMillions(billions[i]);if (millions != null) {for (int j = 0; j < millions.length; j++) {if (isEmpty(millions[j])) {break;}if (b && j > 0) {m = true;}if (Integer.parseInt(millions[j]) == 0) {f = false;continue;} else {f = true;}if (b && m) {rs.append(BILL);}rs.append(BIG_POS[j]);for (int n = 0; n < millions[j].length(); n++) {rs.append(SMALL_POS[n]).append(NUMBERS[Integer.parseInt(millions[j].charAt(n) + "")]);}}} else {for (int n = 0; n < billions[i].length(); n++) {rs.append(SMALL_POS[n]).append(NUMBERS[Integer.parseInt(billions[i].charAt(n)+ "")]);}}}} else if (high.length() > 4) {String[] millions = getMillions(high);for (int j = 0; j < millions.length; j++) {if (isEmpty(millions[j])) {break;}rs.append(BIG_POS[j]);for (int n = 0; n < millions[j].length(); n++) {rs.append(SMALL_POS[n]).append(NUMBERS[Integer.parseInt(millions[j].charAt(n) + "")]);}}} else {for (int n = 0; n < high.length(); n++) {rs.append(SMALL_POS[n]).append(NUMBERS[Integer.parseInt(high.charAt(n) + "")]);}}rs = rs.reverse();return getResult(rs.toString());}private static String getResult(String s) {int l = s.length();if (s == null) {return null;}for (int i = 0; i < SMALL_O.length; i++) {s = s.replaceAll(SMALL_O[i], ZERO);}s = s.replaceAll(DOUBLE_ZERO, ZERO);for (int i = 0; i < BIG_O.length; i++) {s = s.replaceAll(BIG_O[i], BIG_T[i]);}if (l != s.length()) {s = getResult(s);}return s;}private static String[] getMillions(String high) {if (high.length() > 4) {int l = high.length() / 4 + 1;String[] billions = new String[l];int index = 0;int st = 0;int en = 4;while (true) {if (high.length() > 4) {billions[index] = high.substring(st, en);high = high.substring(en);} else {billions[index] = high;break;}index++;}return billions;}return null;}private static boolean isEmpty(String s) {return s == null || "".equals(s.trim());}private static String[] getBillions(String high) {if (high.length() > 8) {int l = high.length() / 8 + 1;String[] billions = new String[l];int index = 0;int st = 0;int en = 8;while (true) {if (high.length() > 8) {billions[index] = high.substring(st, en);high = high.substring(en);} else {billions[index] = high;break;}index++;}return billions;}return null;}private static String toLow(String low) {if (low == null) {return null;}StringBuffer rs = new StringBuffer();for (int i = 0; i < low.length(); i++) {rs.append(NUMBERS[Integer.parseInt(low.charAt(i) + "")]).append(UNITS[i]);}return rs.toString();}
}

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Java 金额转换阿拉伯数字金额转换成汉字大写金额

Java 金额转换阿拉伯数字金额转换成汉字大写金额

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