package com.utils;import java.math.BigDecimal;/*** 中文金额转数字工具* @date /7/19 13:44*/public class ChineseAmountUtil {private static char[] cnNum = new char[]{'零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'};private static char[] unitArr = new char[]{'厘', '分', '角', '圆', '拾', '佰', '仟', '万', '亿'};/*** 中文金额转数字* @param chineseNumber 中文金额* @return*/public static BigDecimal chinese2Number(String chineseNumber) {BigDecimal result = new BigDecimal(0);int lastUnitIndex = 0, num = 0;chineseNumber = chineseNumber.replace("元", "圆");for (int i = 0; i < chineseNumber.length(); i++) {boolean isUnit = true;char c = chineseNumber.charAt(i);for (int j = 0; j < cnNum.length; j++) {// 是数字if (c == cnNum[j]) {// 数字值 = 索引num = j;isUnit = false;break;}}if (isUnit) {// 第一个就是单位，如：拾伍万圆整if (i == 0) {num = 1;}int unitIndex = getUnitIndex(c);BigDecimal unit = getUnit(c);if (unitIndex > lastUnitIndex) {result = result.add(new BigDecimal(num)).multiply(unit);} else {result = result.add(new BigDecimal(num).multiply(unit));}lastUnitIndex = unitIndex;num = 0;}}return result.setScale(2,BigDecimal.ROUND_DOWN);}private static int getUnitIndex(char c) {for (int j = 0; j < unitArr.length; j++) {if (c == unitArr[j]) {return j;}}return 0;}private static BigDecimal getUnit(char c) {double num = 0;int unitIndex = getUnitIndex(c);switch (unitIndex) {// '厘', '分', '角', '圆', '拾', '佰', '仟', '万', '亿'case 4:num = 10;break;case 5:num = 100;break;case 6:num = 1000;break;case 7:num = 10000;break;case 8:num = 100000000;break;case 3:num = 1;break;case 2:num = 0.1;break;case 1:num = 0.01;break;case 0:num = 0.001;break;default:break;}return new BigDecimal(num);}public static void main(String args[]) {String s1 = "壹万伍仟肆佰壹拾圆叁角伍分肆厘";String s2 = "捌万陆仟肆佰壹拾圆整";String s3 = "壹万伍仟肆佰壹拾元贰角捌分肆厘";String s4 = "拾壹亿壹仟万伍仟肆佰壹拾元贰角捌分肆厘";String s5 = "拾伍万圆";System.out.printf("%s = %6.2f\n", s1, chinese2Number(s1));System.out.printf("%s = %6.2f\n", s2, chinese2Number(s2));System.out.printf("%s = %6.2f\n", s3, chinese2Number(s3));System.out.printf("%s = %6.2f\n", s4, chinese2Number(s4));System.out.printf("%s = %6.2f\n", s5, chinese2Number(s5));}}
