中文数字转阿拉伯数字
package com.test.utils.utils; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; public class ChineseNumber2ALB { public static void main(String[] args) { String text = "千啦啦啦,我有十块钱, 你有二十三块钱, 他有二元钱, 我是三百, 你是二百二, 还有五百六十七, 也许是十三, 那么九百零六, 哈哈一千零三十万零三百."; System.out.println(bulidTextZHToALB(text)); } public static String bulidTextZHToALB(String text) { Pattern p = Pattern.compile(numRegex); Matcher m = p.matcher(text); while(m.find()) { String numZH = m.group(); if(numZH.length() !=1 || numMap.containsKey(numZH) || zhTen.equals(numZH)) { String numALB = NumZHToALB(numZH); text = text.replaceFirst(numZH, numALB); } } return text; } private static String NumZHToALB(String numZH) { int numALB = 0; int formIndex = 0; for(String unitNum : unitNumMap.keySet()) { int index = numZH.indexOf(unitNum); if(index != -1 ) { numALB += NumZHToALB(numZH.substring(formIndex, index), unitNumMap.get(unitNum)); formIndex = index + 1; } } numALB += NumZHToALB(numZH.substring(formIndex), 1); return String.valueOf(numALB); } private static int NumZHToALB(String numZH, int unitNum) { int length = numZH.length(); int numALB = 0; if(length != 0) { int fromIndex = 0; for(String unit : unitMap.keySet()) { int index = numZH.indexOf(unit, fromIndex); if(index != -1) { fromIndex = index + unit.length(); String prevChar = zhOne; if(index != 0 && numMap.containsKey(prevChar)) { prevChar = String.valueOf(numZH.charAt(index - 1)); } numALB += numMap.get(prevChar) * unitMap.get(unit); } } String lastChar = String.valueOf(numZH.charAt(length - 1)); if(numMap.containsKey(lastChar)) { String pChar = zhTen; if(length != 1) { pChar = String.valueOf(numZH.charAt(length - 2)); if(zhZero.equals(pChar)) { pChar = zhTen; } } numALB += numMap.get(lastChar) * unitMap.get(pChar)/10; } } return numALB * unitNum; } private static String encodeUnicode(String gbString) { char[] utfBytes = gbString.toCharArray(); String unicodeBytes = ""; for (int i : utfBytes) { String hexB = Integer.toHexString(i); if (hexB.length() <= 2) { hexB = "00" + hexB; } unicodeBytes = unicodeBytes + "\\u" + hexB; } return unicodeBytes; } private static final String zhZero = "零"; private static final String zhOne = "一"; private static final String zhTen = "十"; private static final Map<String, Integer> numMap = new HashMap<String, Integer>(); static { numMap.put("零", 0); numMap.put("一", 1); numMap.put("二", 2); numMap.put("三", 3); numMap.put("四", 4); numMap.put("五", 5); numMap.put("六", 6); numMap.put("七", 7); numMap.put("八", 8); numMap.put("九", 9); } private static final Map<String, Integer> unitNumMap = new LinkedHashMap<String, Integer>(); static { unitNumMap.put("亿", 100000000); unitNumMap.put("万", 10000); } private static final Map<String, Integer> unitMap = new LinkedHashMap<String, Integer>(); static { unitMap.put("千", 1000); unitMap.put("百", 100); unitMap.put("十", 10); } private static String numRegex; static { numRegex = "["; for(String s : numMap.keySet()) { numRegex += encodeUnicode(s); } for(String s : unitMap.keySet()) { numRegex += encodeUnicode(s); } for(String s : unitNumMap.keySet()) { numRegex += encodeUnicode(s); } numRegex += "]+"; } }
中文数字转换阿拉伯数字工具类
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