【JAVA】金额工具类 金额千分位 中文大写金额 英文金额

金额工具类 金额千分位、中文大写金额、英文金额

金额千分位、中文大写金额、英文金额

package com.example.demo.util;import mons.lang3.StringUtils;import java.text.DecimalFormat;import java.util.regex.Matcher;import java.util.regex.Pattern;/*** @author yuanzeyu* @since /3/23 20:44*/public class MoneyUtils {private static String result = null;private static final String[] st1 = {"", "one", "two", "three", "four", "five", "six", "seven","eight", "nine",};private static final String[] st2 = {"hundred", "thousand", "million", "billion"};private static final String[] st3 = {"ten", "eleven", "twelve", "thirteen", "fourteen","fifteen", "sixteen", "seventeen", "eighteen", "nineteen",};private static final String[] st4 = {"twenty", "thirty", "forty", "fifty", "sixty", "seventy","eighty", "ninety"};private static final Pattern AMOUNT_PATTERN = pile("^(0|[1-9]\\d{0,11})\\.(\\d\\d)$");private static final char[] RMB_NUMS = {'零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'};private static final String[] UNITS1 = {"元", "角", "分", "整"};private static final String[] UNITS2 = {"", "拾", "佰", "仟"};private static final String[] UNITS3 = {"", "万", "亿"};public static void main(String[] args) {// 金额千分位System.out.println(fmtMicrometer("111.12"));// 中文大写金额System.out.println(convertChineseAmount("111.0"));// 英文金额System.out.println(convertEnglishAmount(123456.11, "CNY"));}/*** 数字金额(元、分)转为英文* @param number 数字金额* @param currency 币种* @return 英文金额*/public static String convertEnglishAmount(double number, String currency) {if (StringUtils.isNotBlank(currency) && StringUtils.equals(currency, "USD")) {return convert(number, "dollars", "cents");} else {return convert(number, "", "");}}public static String convert(double number, String dollarsUnit, String centsUnit) {int b1 = (int) number;String s1 = convert(b1, dollarsUnit);double b2 = number - b1;if (b2 != 0) {// 金额取两位小数int cents = (int) Math.round(b2 * 100);String s2 = convert(cents, centsUnit);s1 += " and " + s2;// s1 += " and " + cents + " " + centsUnit;} else {s1 += " only";}return s1;}private static String convert(int number, String unit) {int n = 1;result = "";while (number != 0) {number = convertSeg(number, n);n++;}result = result.trim().replaceAll(" ", " ");if (unit == null || unit.length() == 0) {return result;}return result + " " + unit;}private static int convertSeg(int number, int n) {int word;switch (n) {case 1:word = number % 100;pass(word);if (number > 100 && number % 100 != 0) {show("and ");}number /= 100;break;case 2:word = number % 10;if (word != 0) {show(" ");show(st2[0]);show(" ");pass(word);}number /= 10;break;case 3:word = number % 1000;if (number < 1000) {show(" ");show(st2[1]);show(" ");int n1 = 1;while (number != 0) {number = convertSeg(number, n1);n1++;}} else if (word != 0) {show(" ");show(st2[1]);show(" ");pass(word);}number /= 1000;break;case 4:word = number % 1000;if (number < 1000) {show(" ");show(st2[2]);show(" ");int n2 = 1;while (number != 0) {number = convertSeg(number, n2);n2++;}} else if (word != 0) {show(" ");show(st2[2]);show(" ");pass(word);}number /= 1000;break;case 5:word = number % 100;if (word != 0) {show(" ");show(st2[3]);show(" ");pass(word);}number /= 100;break;default: {break;}}return number;}private static void pass(int number) {int word, q;if (number < 10) {show(st1[number]);} else if (number < 20) {show(st3[number - 10]);} else if (number < 100) {word = number % 10;if (word == 0) {q = number / 10;show(st4[q - 2]);} else {q = number / 10;show(st1[word]);show(" ");show(st4[q - 2]);}} else {int n1 = 1;while (number != 0) {number = convertSeg(number, n1);n1++;}}}private static void show(String s) {String st;st = result;result = s;result += st;}/*** 将金额（整数部分等于或少于 12 位，小数部分 2 位）转换为中文大写形式.** @param amount 金额数字* @return 中文大写* @throws IllegalArgumentException*/public static String convertChineseAmount(String amount) throws IllegalArgumentException {amount = fmtMicrometer(amount);// 去掉分隔符amount = amount.replace(",", "");// 验证金额正确性if ("0.00".equals(amount)) {throw new IllegalArgumentException("金额不能为零.");}Matcher matcher = AMOUNT_PATTERN.matcher(amount);if (!matcher.find()) {throw new IllegalArgumentException("输入金额有误.");}// 整数部分String integer = matcher.group(1);// 小数部分String fraction = matcher.group(2);String result = "";if (!"0".equals(integer)) {// 整数部分result += integerToRmb(integer) + UNITS1[0];}if ("00".equals(fraction)) {// 添加[整]result += UNITS1[3];} else if (fraction.startsWith("0") && "0".equals(integer)) {// 去掉分前面的[零]result += fractionToRmb(fraction).substring(1);} else {// 小数部分result += fractionToRmb(fraction);}return result;}/*** 将金额小数部分转换为中文大写** @param fraction fraction* @return String*/private static String fractionToRmb(String fraction) {// 角char jiao = fraction.charAt(0);// 分char fen = fraction.charAt(1);return (RMB_NUMS[jiao - '0'] + (jiao > '0' ? UNITS1[1] : ""))+ (fen > '0' ? RMB_NUMS[fen - '0'] + UNITS1[2] : "");}/*** 将金额整数部分转换为中文大写** @param integer integer* @return String*/private static String integerToRmb(String integer) {StringBuilder buffer = new StringBuilder();// 从个位数开始转换int i, j;for (i = integer.length() - 1, j = 0; i >= 0; i--, j++) {char n = integer.charAt(i);if (n == '0') {// 当 n 是 0 且 n 的右边一位不是 0 时，插入[零]if (i < integer.length() - 1 && integer.charAt(i + 1) != '0') {buffer.append(RMB_NUMS[0]);}// 插入[万]或者[亿]if (j % 4 == 0) {if (i > 0 && integer.charAt(i - 1) != '0' || i > 1 && integer.charAt(i - 2) != '0'|| i > 2 && integer.charAt(i - 3) != '0') {buffer.append(UNITS3[j / 4]);}}} else {if (j % 4 == 0) {// 插入[万]或者[亿]buffer.append(UNITS3[j / 4]);}// 插入[拾]、[佰]或[仟]buffer.append(UNITS2[j % 4]);// 插入数字buffer.append(RMB_NUMS[n - '0']);}}return buffer.reverse().toString();}/*** 金额千分位* @param text 文本* @return String*/public static String fmtMicrometer(String text) {DecimalFormat df = null;if (text.indexOf(".") > 0) {if (text.length() - text.indexOf(".") - 1 == 0) {df = new DecimalFormat("###,##0.");} else if (text.length() - text.indexOf(".") - 1 == 1) {df = new DecimalFormat("###,##0.00");} else {df = new DecimalFormat("###,##0.00");}} else {df = new DecimalFormat("###,##0");}double number = 0.0;try {number = Double.parseDouble(text);} catch (Exception e) {number = 0.0;}return df.format(number);}}

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