货币金额大写转换工具类

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class ChineseCurrencyUtils {// region regex for replaceprivate static final Pattern RE_ONE_0A = Pattern.compile("零分", Pattern.LITERAL);private static final Pattern RE_ONE_0B0A = Pattern.compile("零角零分", Pattern.LITERAL);private static final Pattern RE_ONE_G0F = Pattern.compile("亿零万", Pattern.LITERAL);private static final Pattern RE_ONE_H0G = Pattern.compile("兆零亿", Pattern.LITERAL);private static final Pattern RE_ONE_I0H = Pattern.compile("京零兆", Pattern.LITERAL);private static final Pattern RE_ONE_J0I = Pattern.compile("垓零京", Pattern.LITERAL);private static final Pattern RE_ONE_DOT = Pattern.compile(".", Pattern.LITERAL);// endregion// region regex for replaceAllprivate static final Pattern RE_ALL_0YZ = Pattern.compile("[零元整]");private static final Pattern RE_ALL_0_2_4 = Pattern.compile("零{2,4}");private static final Pattern RE_ALL_0_EDCB = Pattern.compile("零[仟佰拾角]");private static final Pattern RE_ALL_EDC_0_JIHGF = Pattern.compile("(?<=[仟佰拾])零(?=[垓京兆亿万])");private static final Pattern RE_ALL_NEG = Pattern.compile("(?<=负)[垓京兆亿万仟佰拾]");// endregion// region BigDecimal['分', '角', '拾', '佰', '仟', '万', '亿', '兆', '京', '垓']// @formatter:off/** 分 */private static final BigDecimal DEC_A = new BigDecimal("0.01");/** 角 */private static final BigDecimal DEC_B = new BigDecimal("0.1");/** 拾 */private static final BigDecimal DEC_C = BigDecimal.TEN;/** 佰 */private static final BigDecimal DEC_D = new BigDecimal(100);/** 仟 */private static final BigDecimal DEC_E = new BigDecimal(1000);/** 万 */private static final BigDecimal DEC_F = new BigDecimal(1_0000);/** 亿 */private static final BigDecimal DEC_G = new BigDecimal(1_0000_0000);/** 兆 */private static final BigDecimal DEC_H = new BigDecimal(1_0000_0000_0000L);/** 京 */private static final BigDecimal DEC_I = new BigDecimal(1_0000_0000_0000_0000L);/** 垓 */private static final BigDecimal DEC_J = new BigDecimal("1E+20");// @formatter:on// endregion// region ['负', '零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']private static final Map<Character, Integer> NUMERIC = new ConcurrentHashMap<>();static {NUMERIC.put('负', -1);NUMERIC.put('零', 0);NUMERIC.put('壹', 1);NUMERIC.put('贰', 2);NUMERIC.put('叁', 3);NUMERIC.put('肆', 4);NUMERIC.put('伍', 5);NUMERIC.put('陆', 6);NUMERIC.put('柒', 7);NUMERIC.put('捌', 8);NUMERIC.put('玖', 9);}// endregionprivate static String replace(Pattern target, String src, String replacement) {return target.matcher(src).replaceAll(Matcher.quoteReplacement(replacement));}private static String replaceAll(Pattern regex, String src, String replacement) {return regex.matcher(src).replaceAll(replacement);}/*** 货币金额大写转换 (万进位系统)** @param number* @return java.lang.String*/public static String toString(Number number) {char[] digit = {'负', '元', '空', '零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'};final String unit = "分角元拾佰仟万拾佰仟亿拾佰仟兆拾佰仟京拾佰仟垓";final String input = new DecimalFormat("#0.00").format(number);StringBuilder buff = new StringBuilder();int idx = input.lastIndexOf('.');final String lft = input.substring(0, idx);for (int i = lft.length() - 1, j = 3, len = unit.length(); i >= 0 && j < len; i--, j++) {buff.append(digit[lft.charAt(i) - '-']).append(i > 0 ? unit.charAt(j) : "");}buff.reverse().append(unit.charAt(2));final String rgt = input.substring(idx + 1);for (int i = 0, j = 1, len = rgt.length(); i < len && j >= 0; i++, j--) {buff.append(digit[rgt.charAt(i) - '-']).append(unit.charAt(j));}String chinese = buff.toString();chinese = replace(RE_ONE_0B0A, chinese, "整");chinese = replace(RE_ONE_0A, chinese, "");chinese = replaceAll(RE_ALL_0_EDCB, chinese, "零");chinese = replaceAll(RE_ALL_0_2_4, chinese, "零");chinese = replace(RE_ONE_G0F, chinese, "亿");chinese = replace(RE_ONE_H0G, chinese, "兆");chinese = replace(RE_ONE_I0H, chinese, "京");chinese = replace(RE_ONE_J0I, chinese, "垓");chinese = replaceAll(RE_ALL_EDC_0_JIHGF, chinese, "");chinese = replaceAll(RE_ALL_NEG, chinese, "数");return chinese;}/*** 货币金额大写转换 (万进位系统)** @param number* @return java.lang.String*/public static String toChinese(Number number) {String input = new DecimalFormat("#0.00").format(number);input = replace(RE_ONE_DOT, input, "");char[] digit = {'负', '元', '空', '零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'};String unit = "仟佰拾垓仟佰拾京仟佰拾兆仟佰拾亿仟佰拾万仟佰拾元角分";int uLen = unit.length(), iLen = input.length();StringBuilder buff = new StringBuilder(unit);for (int i = input.length() - 1; i >= 0; i--) {buff.insert(uLen - iLen + i, digit[(input.charAt(i) - '-')]);}String chinese = buff.substring(uLen - iLen, uLen + iLen);chinese = replace(RE_ONE_0B0A, chinese, "整");chinese = replace(RE_ONE_0A, chinese, "");chinese = replaceAll(RE_ALL_0_EDCB, chinese, "零");chinese = replaceAll(RE_ALL_0_2_4, chinese, "零");chinese = replace(RE_ONE_G0F, chinese, "亿");chinese = replace(RE_ONE_H0G, chinese, "兆");chinese = replace(RE_ONE_I0H, chinese, "京");chinese = replace(RE_ONE_J0I, chinese, "垓");chinese = replaceAll(RE_ALL_EDC_0_JIHGF, chinese, "");chinese = replaceAll(RE_ALL_NEG, chinese, "数");return chinese;}/*** 货币金额大写转换 (万进位系统)** @param chinese* @return java.lang.Number*/public static Number toNumber(String chinese) {String input = new String(chinese.toCharArray());input = replaceAll(RE_ALL_0YZ, input, "");// 负数标记 ['数'] *** 不可复位 ***boolean fn = false;// 常规标记 ['分', '角', '拾', '佰', '仟'] * 复位 *boolean fa = false, fb = false, fc = false, fd = false, fe = false;// 进位标记 ['万', '亿', '兆', '京', '垓'] *** 不可复位 ***boolean ff = false, fg = false, fh = false, fi = false, fj = false;BigDecimal all = BigDecimal.ZERO;// 从低位到高位计算for (int i = (input.length() - 1); i >= 0; i--) {// @formatter:offchar ch = input.charAt(i);if (ch == '分') { fa = true; continue; }else if (ch == '角') { fb = true; continue; }else if (ch == '拾') { fc = true; continue; }else if (ch == '佰') { fd = true; continue; }else if (ch == '仟') { fe = true; continue; }else if (ch == '万') { ff = true; continue; }else if (ch == '亿') { fg = true; continue; }else if (ch == '兆') { fh = true; continue; }else if (ch == '京') { fi = true; continue; }else if (ch == '垓') { fj = true; continue; }else if (ch == '数') { fn = true; continue; }// else do not any things// 当前数位中文转数字BigDecimal current = new BigDecimal(NUMERIC.getOrDefault(ch, 0));// 负数处理 ['数']if (fn) { all = current.multiply(all); break; }// else do not any things// 常规处理 ['分', '角', '拾', '佰', '仟']if (fa) { current = DEC_A.multiply(current); }else if (fb) { current = DEC_B.multiply(current); }else if (fc) { current = DEC_C.multiply(current); }else if (fd) { current = DEC_D.multiply(current); }else if (fe) { current = DEC_E.multiply(current); }// else do not any things// 进位处理 ['万', '亿', '兆', '京', '垓']if (fj) { current = DEC_J.multiply(current); }else if (fi) { current = DEC_I.multiply(current); }else if (fh) { current = DEC_H.multiply(current); }else if (fg) { current = DEC_G.multiply(current); }else if (ff) { current = DEC_F.multiply(current); }// else do not any things// 合并当前计数all = all.add(current);// 复位常规标记fe = fd = fc = fb = fa = false;// @formatter:on}return all.setScale(2, RoundingMode.HALF_UP);}public static void main(String[] args) {System.out.println("===== ===== ===== ===== ===== ===== ===== ===== =====");System.out.println("人民币 : " + toString(-9876_5432.1));System.out.printf("数字 : %,.2f\n", toNumber("负数玖仟捌佰柒拾陆万伍仟肆佰叁拾贰元壹角"));System.out.println("----- ----- ----- ----- ----- ----- ----- ----- -----");System.out.println("人民币 : " + toChinese(1010_0101_1011.01));System.out.printf("数字 : %,.2f\n", toNumber("壹仟零壹拾亿零壹佰零壹万壹仟零壹拾壹元零壹分"));System.out.println("===== ===== ===== ===== ===== ===== ===== ===== =====");}}

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【Java】ChineseCurrencyUtils（货币金额大写转换工具类）

货币金额大写转换工具类

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